qbittorrent-webui-cjratliff.com/private/views/preferences.html

<div id="DownloadsTab" class="PrefTab">
    <fieldset class="settings">
        <legend>When adding a torrent</legend>
        <div class="formRow">
            <label for="contentlayout_select">Torrent content layout:</label>
            <select id="contentlayout_select">
                <option value="Original">Original</option>
                <option value="Subfolder">Create subfolder</option>
                <option value="NoSubfolder">Don't create subfolder</option>
            </select>
        </div>
        <div class="formRow">
            <input type="checkbox" id="dontstartdownloads_checkbox" />
            <label for="dontstartdownloads_checkbox">Do not start the download automatically</label>
        </div>
        <div class="formRow">
            <label for="stopConditionSelect">Torrent stop condition:</label>
            <select id="stopConditionSelect">
                <option value="None">None</option>
                <option value="MetadataReceived">Metadata received</option>
                <option value="FilesChecked">Files checked</option>
            </select>
        </div>
        <div class="formRow">
            <input type="checkbox" id="deletetorrentfileafter_checkbox" />
            <label for="deletetorrentfileafter_checkbox">Delete .torrent files afterwards</label>
        </div>
    </fieldset>

    <div class="formRow">
        <input type="checkbox" id="preallocateall_checkbox" />
        <label for="preallocateall_checkbox">Pre-allocate disk space for all files</label>
    </div>
    <div class="formRow">
        <span id="appendexttr">
            <input type="checkbox" id="appendext_checkbox" />
            <label for="appendext_checkbox">Append .!qB extension to incomplete files</label>
        </span>
    </div>

    <fieldset class="settings">
        <legend>Saving Management</legend>
        <table>
            <tr>
                <td>
                    <label>Default Torrent Management Mode:</label>
                </td>
                <td>
                    <select id="default_tmm_combobox">
                        <option value="false" selected>Manual</option>
                        <option value="true">Automatic</option>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label>When Torrent Category changed:</label>
                </td>
                <td>
                    <select id="torrent_changed_tmm_combobox">
                        <option value="true">Relocate torrent</option>
                        <option value="false" selected>Switch torrent to Manual Mode</option>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label>When Default Save Path changed:</label>
                </td>
                <td>
                    <select id="save_path_changed_tmm_combobox">
                        <option value="true">Relocate affected torrents</option>
                        <option value="false" selected>Switch affected torrents to Manual Mode</option>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label>When Category Save Path changed:</label>
                </td>
                <td>
                    <select id="category_changed_tmm_combobox">
                        <option value="true">Relocate affected torrents</option>
                        <option value="false" selected>Switch affected torrents to Manual Mode</option>
                    </select>
                </td>
            </tr>
        </table>
        <table>
            <tr>
                <td>
                    <label for="savepath_text">Default Save Path:</label>
                </td>
                <td>
                    <input type="text" id="savepath_text" autocorrect="off" autocapitalize="none" />
                </td>
            </tr>
            <tr>
                <td>
                    <input type="checkbox" id="temppath_checkbox" onclick="qBittorrent.Preferences.updateTempDirEnabled();" />
                    <label for="temppath_checkbox">Keep incomplete torrents in:</label>
                </td>
                <td>
                    <input type="text" id="temppath_text" autocorrect="off" autocapitalize="none" />
                </td>
            </tr>
            <tr>
                <td>
                    <input type="checkbox" id="exportdir_checkbox" onclick="qBittorrent.Preferences.updateExportDirEnabled();" />
                    <label for="exportdir_checkbox">Copy .torrent files to:</label>
                </td>
                <td>
                    <input type="text" id="exportdir_text" autocorrect="off" autocapitalize="none" />
                </td>
            </tr>
            <tr>
                <td>
                    <input type="checkbox" id="exportdirfin_checkbox" onclick="qBittorrent.Preferences.updateExportDirFinEnabled();" />
                    <label for="exportdirfin_checkbox">Copy .torrent files for finished downloads to:</label>
                </td>
                <td>
                    <input type="text" id="exportdirfin_text" autocorrect="off" autocapitalize="none" />
                </td>
            </tr>
        </table>
    </fieldset>

    <fieldset class="settings">
        <legend>Automatically add torrents from:</legend>
        <table id="watched_folders_tab" style="border: 1px solid black;">
            <thead>
                <tr>
                    <th>Monitored Folder</th>
                    <th>Override Save Location</th>
                </tr>
            </thead>
            <tbody></tbody>
        </table>
    </fieldset>

    <fieldset class="settings">
        <legend>
            <input type="checkbox" id="excludedFileNamesCheckbox" onclick="qBittorrent.Preferences.updateExcludedFileNamesEnabled();" />
            <label for="excludedFileNamesCheckbox">Excluded file names</label>
        </legend>
        <textarea id="excludedFileNamesTextarea" rows="6" cols="70"></textarea>
    </fieldset>

    <fieldset class="settings">
        <legend>
            <input type="checkbox" id="mail_notification_checkbox" onclick="qBittorrent.Preferences.updateMailNotification();" />
            <label for="mail_notification_checkbox">Email notification upon download completion</label>
        </legend>
        <table>
            <tr>
                <td>
                    <label for="src_email_txt">From:</label>
                </td>
                <td>
                    <input type="text" id="src_email_txt" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="dest_email_txt">To:</label>
                </td>
                <td>
                    <input type="text" id="dest_email_txt" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="smtp_server_txt">SMTP server:</label>
                </td>
                <td>
                    <input type="text" id="smtp_server_txt" />
                </td>
            </tr>
        </table>
        <div class="formRow">
            <input type="checkbox" id="mail_ssl_checkbox" /><label for="mail_ssl_checkbox">This server requires a secure connection (SSL)</label>
        </div>
        <fieldset class="settings">
            <legend>
                <input type="checkbox" id="mail_auth_checkbox" onclick="qBittorrent.Preferences.updateMailAuthSettings();" />
                <label for="mail_auth_checkbox">Authentication</label>
            </legend>
            <table>
                <tr>
                    <td>
                        <label for="mail_username_text">Username:</label>
                    </td>
                    <td>
                        <input type="text" id="mail_username_text" />
                    </td>
                </tr>
                <tr>
                    <td>
                        <label for="mail_password_text">Password:</label>
                    </td>
                    <td>
                        <input type="password" id="mail_password_text" />
                    </td>
                </tr>
            </table>
        </fieldset>
    </fieldset>

    <fieldset class="settings">
        <legend>
            Run external program
        </legend>
        <div class="formRow">
            <input type="checkbox" id="autorunOnTorrentAddedCheckbox" onclick="qBittorrent.Preferences.updateAutoRunOnTorrentAdded();" />
            <label for="autorunOnTorrentAddedCheckbox">Run external program on torrent added</label>
            <input type="text" id="autorunOnTorrentAddedProgram" style="width: 400px;" />
        </div>
        <div class="formRow">
            <input type="checkbox" id="autorun_checkbox" onclick="qBittorrent.Preferences.updateAutoRun();" />
            <label for="autorun_checkbox">Run external program on torrent finished</label>
            <input type="text" id="autorunProg_txt" style="width: 400px;" />
        </div>
        <div style="font-style: italic;">Supported parameters (case sensitive):
            <ul>
                <li>%N: Torrent name</li>
                <li>%L: Category</li>
                <li>%G: Tags (separated by comma)</li>
                <li>%F: Content path (same as root path for multifile torrent)</li>
                <li>%R: Root path (first torrent subdirectory path)</li>
                <li>%D: Save path</li>
                <li>%C: Number of files</li>
                <li>%Z: Torrent size (bytes)</li>
                <li>%T: Current tracker</li>
                <li>%I: Info hash v1</li>
                <li>%J: Info hash v2</li>
                <li>%K: Torrent ID</li>
            </ul>
            Tip: Encapsulate parameter with quotation marks to avoid text being cut off at whitespace (e.g., "%N")
        </div>
    </fieldset>
</div>

<div id="ConnectionTab" class="PrefTab invisible">
    <div class="formRow">
        <label>Peer connection protocol:</label>
        <select id="enable_protocol_combobox">
            <option value="0" selected>TCP and μTP</option>
            <option value="1">TCP</option>
            <option value="2">μTP</option>
        </select>
    </div>
    <fieldset class="settings">
        <legend>Listening Port</legend>
        <div class="formRow">
            <label for="port_value">Port used for incoming connections:</label>
            <input type="text" id="port_value" style="width: 4em;" title="Set to 0 to let your system pick an unused port" />
            <button style="margin-left: 1em;" onclick="qBittorrent.Preferences.generateRandomPort();">Random</button>
        </div>
        <div class="formRow">
            <input type="checkbox" id="upnp_checkbox" />
            <label for="upnp_checkbox">Use UPnP / NAT-PMP port forwarding from my router</label>
        </div>
    </fieldset>

    <fieldset class="settings">
        <legend>Connections Limits</legend>
        <table>
            <tr>
                <td>
                    <input type="checkbox" id="max_connec_checkbox" onclick="qBittorrent.Preferences.updateMaxConnecEnabled();" />
                    <label for="max_connec_checkbox">Global maximum number of connections:</label>
                </td>
                <td><input type="text" id="max_connec_value" style="width: 4em;" /></td>
            </tr>
            <tr>
                <td>
                    <input type="checkbox" id="max_connec_per_torrent_checkbox" onclick="qBittorrent.Preferences.updateMaxConnecPerTorrentEnabled();" />
                    <label for="max_connec_per_torrent_checkbox">Maximum number of connections per torrent:</label>
                </td>
                <td><input type="text" id="max_connec_per_torrent_value" style="width: 4em;" /></td>
            </tr>
            <tr>
                <td>
                    <input type="checkbox" id="max_uploads_checkbox" onclick="qBittorrent.Preferences.updateMaxUploadsEnabled();" />
                    <label for="max_uploads_checkbox">Global maximum number of upload slots:</label>
                </td>
                <td><input type="text" id="max_uploads_value" style="width: 4em;" /></td>
            </tr>
            <tr>
                <td>
                    <input type="checkbox" id="max_uploads_per_torrent_checkbox" onclick="qBittorrent.Preferences.updateMaxUploadsPerTorrentEnabled();" />
                    <label for="max_uploads_per_torrent_checkbox">Maximum number of upload slots per torrent:</label>
                </td>
                <td><input type="text" id="max_uploads_per_torrent_value" style="width: 4em;" /></td>
            </tr>
        </table>
    </fieldset>

    <fieldset class="settings">
        <legend>Proxy Server</legend>
        <table>
            <tr>
                <td>
                    <label for="peer_proxy_type_select">Type:</label>
                </td>
                <td>
                    <select id="peer_proxy_type_select" onchange="qBittorrent.Preferences.updatePeerProxySettings();">
                        <option value="none">(None)</option>
                        <option value="socks4">SOCKS4</option>
                        <option value="socks5">SOCKS5</option>
                        <option value="http">HTTP</option>
                    </select>
                </td>
                <td>
                    <label for="peer_proxy_host_text">Host:</label>
                </td>
                <td>
                    <input type="text" id="peer_proxy_host_text" />
                </td>
                <td>
                    <label for="peer_proxy_port_value">Port:</label>
                </td>
                <td>
                    <input type="text" id="peer_proxy_port_value" style="width: 4em;" />
                </td>
            </tr>
        </table>
        <div class="formRow">
            <input type="checkbox" id="use_peer_proxy_checkbox" />
            <label for="use_peer_proxy_checkbox">Use proxy for peer connections</label>
        </div>
        <div class="formRow">
            <input type="checkbox" id="proxy_only_for_torrents_checkbox" />
            <label for="proxy_only_for_torrents_checkbox">Use proxy only for torrents</label>
        </div>
        <div class="formRow">
            <input type="checkbox" id="proxyHostnameLookupCheckbox" title="If checked, hostname lookups are done via the proxy." />
            <label for="proxyHostnameLookupCheckbox">Use proxy for hostname lookup</label>
        </div>
        <fieldset class="settings">
            <legend>
                <input type="checkbox" id="peer_proxy_auth_checkbox" onclick="qBittorrent.Preferences.updatePeerProxyAuthSettings();" />
                <label for="peer_proxy_auth_checkbox">Authentication</label>
            </legend>
            <table>
                <tr>
                    <td>
                        <label for="peer_proxy_username_text">Username:</label>
                    </td>
                    <td>
                        <input type="text" id="peer_proxy_username_text" />
                    </td>
                </tr>
                <tr>
                    <td>
                        <label for="peer_proxy_password_text">Password:</label>
                    </td>
                    <td>
                        <input type="password" id="peer_proxy_password_text" />
                    </td>
                </tr>
            </table>
            <div class="formRow">
                <span>Info: The password is saved unencrypted</span>
            </div>
        </fieldset>
    </fieldset>

    <fieldset class="settings">
        <legend>
            <label>IP Filtering</label>
        </legend>
        <div class="formRow">
            <input type="checkbox" id="ipfilter_text_checkbox" onclick="qBittorrent.Preferences.updateFilterSettings();" />
            <label for="ipfilter_text_checkbox">Filter path (.dat, .p2p, .p2b):</label>
            <input type="text" id="ipfilter_text" />
        </div>
        <div class="formRow">
            <input type="checkbox" id="ipfilter_trackers_checkbox" />
            <label for="ipfilter_trackers_checkbox">Apply to trackers</label>
        </div>
        <div class="formRow">
            <fieldset class="settings">
                <legend>Manually banned IP addresses...</legend>
                <textarea id="banned_IPs_textarea" rows="5" cols="70"></textarea>
            </fieldset>
        </div>
    </fieldset>
</div>

<div id="SpeedTab" class="PrefTab invisible">
    <fieldset class="settings">
        <legend>Global Rate Limits</legend>
        <table>
            <tr>
                <td rowspan="2">
                    <img src="images/slow_off.svg" style="height: 1.5em;" alt="Alternative speed limits">
                </td>
                <td><label for="up_limit_value">Upload:</label></td>
                <td><input type="number" id="up_limit_value" style="width: 4em;" min="0" />&nbsp;&nbsp;KiB/s</td>
            </tr>
            <tr>
                <td><label for="dl_limit_value">Download:</label></td>
                <td><input type="number" id="dl_limit_value" style="width: 4em;" min="0" />&nbsp;&nbsp;KiB/s</td>
            </tr>
        </table>
        <i>0 means unlimited</i>
    </fieldset>

    <fieldset class="settings">
        <legend>Alternative Rate Limits</legend>
        <table>
            <tr>
                <td rowspan="2">
                    <img src="images/slow.svg" style="height: 1.5em;" alt="Alternative speed limits">
                </td>
                <td><label for="alt_up_limit_value">Upload:</label></td>
                <td><input type="number" id="alt_up_limit_value" style="width: 4em;" min="0" />&nbsp;&nbsp;KiB/s</td>
            </tr>
            <tr>
                <td><label for="alt_dl_limit_value">Download:</label></td>
                <td><input type="number" id="alt_dl_limit_value" style="width: 4em;" min="0" />&nbsp;&nbsp;KiB/s</td>
            </tr>
        </table>
        <i>0 means unlimited</i>

        <fieldset class="settings">
            <legend>
                <input type="checkbox" id="limitSchedulingCheckbox" onclick="qBittorrent.Preferences.updateSchedulingEnabled();" />
                <label for="limitSchedulingCheckbox">Schedule the use of alternative rate limits</label>
            </legend>
            <div class="formRow">
                From:
                <input type="text" id="schedule_from_hour" style="width: 1.5em;" />:<input type="text" id="schedule_from_min" style="width: 1.5em;" />
                To:
                <input type="text" id="schedule_to_hour" style="width: 1.5em;" />:<input type="text" id="schedule_to_min" style="width: 1.5em;" />
            </div>
            <div class="formRow">
                When:
                <select id="schedule_freq_select">
                    <option value="0">Every day</option>
                    <option value="1">Weekdays</option>
                    <option value="2">Weekends</option>
                    <option value="3">Monday</option>
                    <option value="4">Tuesday</option>
                    <option value="5">Wednesday</option>
                    <option value="6">Thursday</option>
                    <option value="7">Friday</option>
                    <option value="8">Saturday</option>
                    <option value="9">Sunday</option>
                </select>
            </div>
        </fieldset>
    </fieldset>

    <fieldset class="settings">
        <legend>Rate Limits Settings</legend>
        <div class="formRow">
            <input type="checkbox" id="limit_utp_rate_checkbox" />
            <label for="limit_utp_rate_checkbox">Apply rate limit to µTP protocol</label>
        </div>
        <div class="formRow">
            <input type="checkbox" id="limit_tcp_overhead_checkbox" />
            <label for="limit_tcp_overhead_checkbox">Apply rate limit to transport overhead</label>
        </div>
        <div class="formRow">
            <input type="checkbox" id="limit_lan_peers_checkbox" />
            <label for="limit_lan_peers_checkbox">Apply rate limit to peers on LAN</label>
        </div>
    </fieldset>
</div>

<div id="BittorrentTab" class="PrefTab invisible">
    <fieldset class="settings">
        <legend>Privacy</legend>
        <div class="formRow">
            <input type="checkbox" id="dht_checkbox" />
            <label for="dht_checkbox">Enable DHT (decentralized network) to find more peers</label>
        </div>
        <div class="formRow">
            <input type="checkbox" id="pex_checkbox" />
            <label for="pex_checkbox">Enable Peer Exchange (PeX) to find more peers</label>
        </div>
        <div class="formRow">
            <input type="checkbox" id="lsd_checkbox" />
            <label for="lsd_checkbox">Enable Local Peer Discovery to find more peers</label>
        </div>
        <div class="formRow">
            <label for="encryption_select">Encryption mode:</label>
            <select id="encryption_select">
                <option value="0">Allow encryption</option>
                <option value="1">Require encryption</option>
                <option value="2">Disable encryption</option>
            </select>
        </div>
        <div class="formRow">
            <input type="checkbox" id="anonymous_mode_checkbox" />
            <label for="anonymous_mode_checkbox">Enable anonymous mode (<a target="_blank" href="https://github.com/qbittorrent/qBittorrent/wiki/Anonymous-Mode">More information</a>)</label>
        </div>
    </fieldset>

    <div class="formRow">
        <label for="maxActiveCheckingTorrents">Max active checking torrents:</label>
        <input type="number" id="maxActiveCheckingTorrents" style="width: 4em;" min="-1" />
    </div>

    <fieldset class="settings">
        <legend>
            <input type="checkbox" id="queueing_checkbox" onclick="qBittorrent.Preferences.updateQueueingSystem();" />
            <label for="queueing_checkbox">Torrent Queueing</label>
        </legend>
        <table>
            <tr>
                <td>
                    <label for="max_active_dl_value">Maximum active downloads:</label>
                </td>
                <td>
                    <input type="text" id="max_active_dl_value" style="width: 4em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="max_active_up_value">Maximum active uploads:</label>
                </td>
                <td>
                    <input type="text" id="max_active_up_value" style="width: 4em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="max_active_to_value">Maximum active torrents:</label>
                </td>
                <td>
                    <input type="text" id="max_active_to_value" style="width: 4em;" />
                </td>
            </tr>
        </table>
        <fieldset class="settings">
            <legend>
                <input type="checkbox" id="dont_count_slow_torrents_checkbox" onclick="qBittorrent.Preferences.updateSlowTorrentsSettings();" />
                <label for="dont_count_slow_torrents_checkbox">Do not count slow torrents in these limits</label>
            </legend>
            <table>
                <tr>
                    <td>
                        <label for="dl_rate_threshold">Download rate threshold:</label>
                    </td>
                    <td>
                        <input type="text" id="dl_rate_threshold" style="width: 4em;" />&nbsp;&nbsp;KiB/s
                    </td>
                </tr>
                <tr>
                    <td>
                        <label for="ul_rate_threshold">Upload rate threshold:</label>
                    </td>
                    <td>
                        <input type="text" id="ul_rate_threshold" style="width: 4em;" />&nbsp;&nbsp;KiB/s
                    </td>
                </tr>
                <tr>
                    <td>
                        <label for="torrent_inactive_timer">Torrent inactivity timer:</label>
                    </td>
                    <td>
                        <input type="text" id="torrent_inactive_timer" style="width: 4em;" />&nbsp;&nbsp;seconds
                    </td>
                </tr>
            </table>
        </fieldset>
    </fieldset>

    <fieldset class="settings">
        <legend>Seeding Limits</legend>
        <table>
            <tr>
                <td>
                    <input type="checkbox" id="max_ratio_checkbox" onclick="qBittorrent.Preferences.updateMaxRatioTimeEnabled();" />
                    <label for="max_ratio_checkbox">When ratio reaches</label>
                </td>
                <td>
                    <input type="text" id="max_ratio_value" style="width: 4em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <input type="checkbox" id="max_seeding_time_checkbox" onclick="qBittorrent.Preferences.updateMaxRatioTimeEnabled();" />
                    <label for="max_seeding_time_checkbox">When seeding time reaches</label>
                </td>
                <td>
                    <input type="text" id="max_seeding_time_value" style="width: 4em;" />minutes
                </td>
            </tr>
            <tr>
                <td style="text-align: right;"><label for="max_ratio_act">then</label></td>
                <td>
                    <select id="max_ratio_act">
                        <option value="0">Pause torrent</option>
                        <option value="1">Remove torrent</option>
                        <option value="3">Remove torrent and its files</option>
                        <option value="2">Enable super seeding for torrent</option>
                    </select>
                </td>
            </tr>
        </table>
    </fieldset>

    <fieldset class="settings">
        <legend>
            <input type="checkbox" id="add_trackers_checkbox" onclick="qBittorrent.Preferences.updateAddTrackersEnabled();" />
            <label for="add_trackers_checkbox">Automatically add these trackers to new downloads:</label>
        </legend>
        <textarea id="add_trackers_textarea" rows="5" cols="70"></textarea>
    </fieldset>
</div>

<div id="RSSTab" class="PrefTab invisible">
    <fieldset class="settings">
        <legend>RSS Reader</legend>
        <div class="formRow">
            <input type="checkbox" id="enable_fetching_rss_feeds_checkbox" />
            <label for="enable_fetching_rss_feeds_checkbox">Enable fetching RSS feeds</label>
        </div>
        <table>
            <tr>
                <td>
                    <label for="feed_refresh_interval">Feeds refresh interval:</label>
                </td>
                <td>
                    <input type="text" id="feed_refresh_interval" style="width: 4em;" />&nbsp;&nbsp; min
                </td>
            </tr>
            <tr>
                <td>
                    <label for="maximum_article_number">Maximum number of articles per feed:</label>
                </td>
                <td>
                    <input type="text" id="maximum_article_number" style="width: 4em;" />
                </td>
            </tr>
        </table>
    </fieldset>

    <fieldset class="settings">
        <legend>RSS Torrent Auto Downloader</legend>
        <div class="formRow">
            <input type="checkbox" id="enable_auto_downloading_rss_torrents_checkbox" />
            <label for="enable_auto_downloading_rss_torrents_checkbox">Enable auto downloading of RSS torrents</label>
        </div>
        <button style="margin: 0 1em; width: calc(100% - 2.2em)" onclick="window.qBittorrent.Rss.openRssDownloader();">Edit auto downloading rules...</button>
    </fieldset>

    <fieldset class="settings">
        <legend>RSS Smart Episode Filter</legend>
        <div class="formRow">
            <input type="checkbox" id="downlock_repack_proper_episodes" />

            <label for="downlock_repack_proper_episodes">Download REPACK/PROPER episodes</label>
        </div>
        <label for="rss_filter_textarea">Filters:</label><br>
        <textarea id="rss_filter_textarea" rows="6" cols="70"></textarea>
    </fieldset>
</div>

<div id="WebUITab" class="PrefTab invisible">
    <fieldset class="settings">
        <legend>Language</legend>
        <label for="locale_select">User Interface Language:</label>
        <select id="locale_select">
            <option value="ar_AE">عربي</option>
            <option value="az@latin">Azərbaycan dili</option>
            <option value="be_BY">Беларуская</option>
            <option value="bg_BG">Български</option>
            <option value="ca_ES">Català</option>
            <option value="cs_CZ">Čeština</option>
            <option value="da_DK">Dansk</option>
            <option value="de_DE">Deutsch</option>
            <option value="el_GR">Ελληνικά</option>
            <option value="en">English</option>
            <option value="en_AU">English (Australia)</option>
            <option value="en_GB">English (United Kingdom)</option>
            <option value="eo_EO">Esperanto</option>
            <option value="es_ES">Español</option>
            <option value="et">Eesti, eesti keel</option>
            <option value="eu_ES">Euskara</option>
            <option value="fa">فارسی</option>
            <option value="fi_FI">Suomi</option>
            <option value="fr_FR">Français</option>
            <option value="gl_ES">Galego</option>
            <option value="he_IL">עברית</option>
            <option value="hi_IN">हिन्दी, हिंदी</option>
            <option value="hr_HR">Hrvatski</option>
            <option value="hu_HU">Magyar</option>
            <option value="hy_AM">Հայերեն</option>
            <option value="id">Bahasa Indonesia</option>
            <option value="is">Íslenska</option>
            <option value="it_IT">Italiano</option>
            <option value="ja_JP">日本語</option>
            <option value="ka_GE">ქართული</option>
            <option value="ko_KR">한국어</option>
            <option value="ltg">Latgalīšu volūda</option>
            <option value="lt_LT">Lietuvių</option>
            <option value="lv_LV">Latviešu valoda</option>
            <option value="mn_MN">Монгол хэл</option>
            <option value="ms_MY">بهاس ملايو</option>
            <option value="nb_NO">Norsk</option>
            <option value="nl_NL">Nederlands</option>
            <option value="oc">lenga d'òc</option>
            <option value="pl_PL">Polski</option>
            <option value="pt_BR">Português brasileiro</option>
            <option value="pt_PT">Português</option>
            <option value="ro_RO">Română</option>
            <option value="ru_RU">Русский</option>
            <option value="sk_SK">Slovenčina</option>
            <option value="sl_SI">Slovenščina</option>
            <option value="sr_CS">Српски</option>
            <option value="sv_SE">Svenska</option>
            <option value="th">ไทย</option>
            <option value="tr_TR">Türkçe</option>
            <option value="uk_UA">Українська</option>
            <option value="uz@Latn">أۇزبېك</option>
            <option value="vi_VN">Tiếng Việt</option>
            <option value="zh">简体中文</option>
            <option value="zh_HK">香港正體字</option>
            <option value="zh_TW">正體中文</option>
        </select>
    </fieldset>

    <div class="formRow">
        <input type="checkbox" id="performanceWarning" />
        <label for="performanceWarning">Log performance warnings</label>
    </div>

    <fieldset class="settings">
        <legend>Web User Interface (Remote control)</legend>
        <table>
            <tr>
                <td>
                    <label for="webui_address_value">IP address:</label>
                </td>
                <td>
                    <input type="text" id="webui_address_value" />
                    <label for="webui_port_value" style="margin-left: 10px;">Port:</label>
                    <input type="text" id="webui_port_value" style="width: 4em;" />
                </td>
            </tr>
        </table>
        <div class="formRow">
            <input type="checkbox" id="webui_upnp_checkbox" />
            <label for="webui_upnp_checkbox">Use UPnP / NAT-PMP to forward the port from my router</label>
        </div>
        <fieldset class="settings">
            <legend>
                <input type="checkbox" id="use_https_checkbox" onclick="qBittorrent.Preferences.updateHttpsSettings();" />
                <label for="use_https_checkbox">Use HTTPS instead of HTTP</label>
            </legend>
            <table>
                <tr>
                    <td>
                        <label for="ssl_cert_text">Certificate:</label>
                    </td>
                    <td>
                        <input type="text" id="ssl_cert_text" style="width: 30em;" />
                    </td>
                </tr>
                <tr>
                    <td>
                        <label for="ssl_key_text">Key:</label>
                    </td>
                    <td>
                        <input type="text" id="ssl_key_text" style="width: 30em;" />
                    </td>
                </tr>
            </table>
            <div style="padding-left: 10px;"><a target="_blank" href="https://httpd.apache.org/docs/current/ssl/ssl_faq.html#aboutcerts">Information about certificates</a></div>
        </fieldset>

        <fieldset class="settings">
            <legend>Authentication</legend>
            <table>
                <tr>
                    <td>
                        <label for="webui_username_text">Username:</label>
                    </td>
                    <td>
                        <input type="text" id="webui_username_text" />
                    </td>
                </tr>
                <tr>
                    <td>
                        <label for="webui_password_text">Password:</label>
                    </td>
                    <td>
                        <input type="password" id="webui_password_text" placeholder="Change current password" autocomplete="new-password" />
                    </td>
                </tr>
            </table>
            <div class="formRow">
                <input type="checkbox" id="bypass_local_auth_checkbox" />
                <label for="bypass_local_auth_checkbox">Bypass authentication for clients on localhost</label>
            </div>
            <div class="formRow">
                <input type="checkbox" id="bypass_auth_subnet_whitelist_checkbox" onclick="qBittorrent.Preferences.updateBypasssAuthSettings();" />
                <label for="bypass_auth_subnet_whitelist_checkbox">Bypass authentication for clients in whitelisted IP subnets</label>
            </div>
            <div class="formRow" style="padding-left: 30px; padding-top: 5px;">
                <textarea id="bypass_auth_subnet_whitelist_textarea" rows="5" cols="48" placeholder="Example: 172.17.32.0/24, fdff:ffff:c8::/40"></textarea>
            </div>
            <table>
                <tr>
                    <td><label for="webUIMaxAuthFailCountInput">Ban client after consecutive failures:</label></td>
                    <td><input type="number" id="webUIMaxAuthFailCountInput" style="width: 4em;" min="0" /></td>
                </tr>
                <tr>
                    <td style="text-align: right;"><label for="webUIBanDurationInput">ban for:</label></td>
                    <td><input type="number" id="webUIBanDurationInput" style="width: 4em;" min="1" />seconds</td>
                </tr>
            </table>
            <table>
                <tr>
                    <td><label for="webUISessionTimeoutInput">Session timeout:</label></td>
                    <td><input type="number" id="webUISessionTimeoutInput" style="width: 4em;" min="0" />&nbsp;&nbsp;seconds</td>
                </tr>
            </table>
        </fieldset>

        <fieldset class="settings">
            <legend><input type="checkbox" id="use_alt_webui_checkbox" onclick="qBittorrent.Preferences.updateAlternativeWebUISettings();" />
                <label for="use_alt_webui_checkbox">Use alternative Web UI</label>
            </legend>
            <div class="formRow">
                <label for="webui_files_location_textarea">Files location:</label>
                <input type="text" id="webui_files_location_textarea" />
            </div>
        </fieldset>

        <fieldset class="settings">
            <legend>Security</legend>
            <div class="formRow">
                <input type="checkbox" id="clickjacking_protection_checkbox" />
                <label for="clickjacking_protection_checkbox">Enable clickjacking protection</label>
            </div>
            <div class="formRow">
                <input type="checkbox" id="csrf_protection_checkbox" />
                <label for="csrf_protection_checkbox">Enable Cross-Site Request Forgery (CSRF) protection</label>
            </div>
            <div class="formRow">
                <input type="checkbox" id="secureCookieCheckbox" />
                <label for="secureCookieCheckbox">Enable cookie Secure flag (requires HTTPS)</label>
            </div>

            <fieldset class="settings">
                <legend>
                    <input type="checkbox" id="host_header_validation_checkbox" onclick="qBittorrent.Preferences.updateHostHeaderValidationSettings();" />
                    <label for="host_header_validation_checkbox">Enable Host header validation</label>
                </legend>
                <table>
                    <tr>
                        <td>
                            <label for="webui_domain_textarea">Server domains:</label>
                        </td>
                        <td>
                            <textarea id="webui_domain_textarea" rows="1" cols="60" title="Whitelist for filtering HTTP Host header values.
In order to defend against DNS rebinding attack,
you should put in domain names used by WebUI server.

Use ';' to split multiple entries. Can use wildcard '*'."></textarea>
                        </td>
                    </tr>
                </table>
            </fieldset>
        </fieldset>

        <fieldset class="settings">
            <legend>
                <input type="checkbox" id="webUIUseCustomHTTPHeadersCheckbox" onclick="qBittorrent.Preferences.updateWebUICustomHTTPHeadersSettings();" />
                <label for="webUIUseCustomHTTPHeadersCheckbox">Add custom HTTP headers</label>
            </legend>
            <textarea id="webUICustomHTTPHeadersTextarea" placeholder="Header: value pairs, one per line" style="width: 90%;"></textarea>
        </fieldset>

        <fieldset class="settings">
            <legend>
                <input type="checkbox" id="webUIReverseProxySupportCheckbox" onclick="qBittorrent.Preferences.updateWebUIReverseProxySettings();" />
                <label for="webUIReverseProxySupportCheckbox">Enable reverse proxy support</label>
            </legend>
            <div class="formRow">
                <label for="webUIReverseProxiesListTextarea">Trusted proxies list:</label>
                <input type="text" id="webUIReverseProxiesListTextarea" title="Specify reverse proxy IPs (or subnets, e.g. 0.0.0.0/24) in order to use forwarded client address (X-Forwarded-For header). Use ';' to split multiple entries." />
            </div>
        </fieldset>

    </fieldset>

    <fieldset class="settings">
        <legend>
            <input type="checkbox" id="use_dyndns_checkbox" onclick="qBittorrent.Preferences.updateDynDnsSettings();" />
            <label for="use_dyndns_checkbox">Update my dynamic domain name</label>
        </legend>
        <select id="dyndns_select">
            <option value="0">DynDNS</option>
            <option value="1">NO-IP</option>
        </select>
        <input type="button" value="Register" onclick="qBittorrent.Preferences.registerDynDns();" />
        <table style="margin-top: 10px;">
            <tr>
                <td>
                    <label for="dyndns_domain_text">Domain name:</label>
                </td>
                <td>
                    <input type="text" id="dyndns_domain_text" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="dyndns_username_text">Username:</label>
                </td>
                <td>
                    <input type="text" id="dyndns_username_text" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="dyndns_password_text">Password:</label>
                </td>
                <td>
                    <input type="password" id="dyndns_password_text" />
                </td>
            </tr>
        </table>
    </fieldset>
</div>

<div id="AdvancedTab" class="PrefTab invisible">
    <fieldset class="settings">
        <legend>qBittorrent Section&nbsp;(<a href="https://github.com/qbittorrent/qBittorrent/wiki/Explanation-of-Options-in-qBittorrent#Advanced" target="_blank">Open documentation</a>)</legend>
        <table>
            <tr>
                <td>
                    <label for="memoryWorkingSetLimit">Physical memory (RAM) usage limit (applied if libtorrent >= 2.0):&nbsp;<a href="https://wikipedia.org/wiki/Working_set" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="memoryWorkingSetLimit" style="width: 15em;" title="This option is less effective on Linux">&nbsp;&nbsp;MiB
                </td>
            </tr>
            <tr>
                <td>
                    <label for="networkInterface">Network interface:</label>
                </td>
                <td>
                    <select id="networkInterface" style="width: 15em;">
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label for="optionalIPAddressToBind">Optional IP address to bind to:</label>
                </td>
                <td>
                    <select id="optionalIPAddressToBind" style="width: 15em;">
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label for="saveResumeDataInterval">Save resume data interval:</label>
                </td>
                <td>
                    <input type="text" id="saveResumeDataInterval" style="width: 15em;">&nbsp;&nbsp;min
                </td>
            </tr>
            <tr>
                <td>
                    <label for="recheckTorrentsOnCompletion">Recheck torrents on completion:</label>
                </td>
                <td>
                    <input type="checkbox" id="recheckTorrentsOnCompletion">
                </td>
            </tr>
            <tr>
                <td>
                    <label for="refreshInterval">Refresh interval:</label>
                </td>
                <td>
                    <input type="text" id="refreshInterval" style="width: 15em;" title="It controls the internal state update interval which in turn will affect UI updates">&nbsp;&nbsp;ms
                </td>
            </tr>
            <tr>
                <td>
                    <label for="resolvePeerCountries">Resolve peer countries:</label>
                </td>
                <td>
                    <input type="checkbox" id="resolvePeerCountries">
                </td>
            </tr>
            <tr>
                <td>
                    <label for="reannounceWhenAddressChanged">Reannounce to all trackers when IP or port changed:</label>
                </td>
                <td>
                    <input type="checkbox" id="reannounceWhenAddressChanged" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="enableEmbeddedTracker">Enable embedded tracker:</label>
                </td>
                <td>
                    <input type="checkbox" id="enableEmbeddedTracker" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="embeddedTrackerPort">Embedded tracker port:</label>
                </td>
                <td>
                    <input type="text" id="embeddedTrackerPort" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="embeddedTrackerPortForwarding">Enable port forwarding for embedded tracker:</label>
                </td>
                <td>
                    <input type="checkbox" id="embeddedTrackerPortForwarding" />
                </td>
            </tr>
        </table>
    </fieldset>
    <fieldset class="settings">
        <legend>libtorrent Section&nbsp;(<a href="https://www.libtorrent.org/reference-Settings.html" target="_blank">Open documentation</a>)</legend>
        <table>
            <tr>
                <td>
                    <label for="asyncIOThreads">Asynchronous I/O threads:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#aio_threads" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="asyncIOThreads" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="hashingThreads">Hashing threads (requires libtorrent >= 2.0):&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#hashing_threads" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="hashingThreads" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="filePoolSize">File pool size:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#file_pool_size" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="filePoolSize" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="outstandMemoryWhenCheckingTorrents">Outstanding memory when checking torrents:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#checking_mem_usage" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="outstandMemoryWhenCheckingTorrents" style="width: 15em;" />&nbsp;&nbsp;MiB
                </td>
            </tr>
            <tr>
                <td>
                    <label for="diskCache">Disk cache (requires libtorrent < 2.0):&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#cache_size" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="diskCache" style="width: 15em;" />&nbsp;&nbsp;MiB
                </td>
            </tr>
            <tr>
                <td>
                    <label for="diskCacheExpiryInterval">Disk cache expiry interval (requires libtorrent < 2.0):&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#cache_expiry" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="diskCacheExpiryInterval" style="width: 15em;">&nbsp;&nbsp;s
                </td>
            </tr>
            <tr>
                <td>
                    <label for="diskQueueSize">Disk queue size:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#max_queued_disk_bytes" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="diskQueueSize" style="width: 15em;">&nbsp;&nbsp;KiB
                </td>
            </tr>
            <tr>
                <td>
                    <label for="diskIOType">Disk IO type (libtorrent >= 2.0; requires restart):&nbsp;<a href="https://www.libtorrent.org/single-page-ref.html#default-disk-io-constructor" target="_blank">(?)</a></label>
                </td>
                <td>
                    <select id="diskIOType" style="width: 15em;">
                        <option value="0">Default</option>
                        <option value="1">Memory mapped files</option>
                        <option value="2">POSIX-compliant</option>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label for="diskIOReadMode">Disk IO read mode:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#disk_io_read_mode" target="_blank">(?)</a></label>
                </td>
                <td>
                    <select id="diskIOReadMode" style="width: 15em;">
                        <option value="0">Disable OS cache</option>
                        <option value="1">Enable OS cache</option>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label for="diskIOWriteMode">Disk IO write mode:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#disk_io_write_mode" target="_blank">(?)</a></label>
                </td>
                <td>
                    <select id="diskIOWriteMode" style="width: 15em;">
                        <option value="0">Disable OS cache</option>
                        <option value="1">Enable OS cache</option>
                        <option value="2">Write-through (requires libtorrent >= 2.0.6)</option>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label for="coalesceReadsAndWrites">Coalesce reads & writes (requires libtorrent < 2.0):&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#coalesce_reads" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="checkbox" id="coalesceReadsAndWrites" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="pieceExtentAffinity">Use piece extent affinity:&nbsp;<a href="https://libtorrent.org/single-page-ref.html#piece_extent_affinity" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="checkbox" id="pieceExtentAffinity" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="sendUploadPieceSuggestions">Send upload piece suggestions:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#suggest_mode" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="checkbox" id="sendUploadPieceSuggestions" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="sendBufferWatermark">Send buffer watermark:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#send_buffer_watermark" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="sendBufferWatermark" style="width: 15em;" />&nbsp;&nbsp;KiB
                </td>
            </tr>
            <tr>
                <td>
                    <label for="sendBufferLowWatermark">Send buffer low watermark:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#send_buffer_low_watermark" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="sendBufferLowWatermark" style="width: 15em;" />&nbsp;&nbsp;KiB
                </td>
            </tr>
            <tr>
                <td>
                    <label for="sendBufferWatermarkFactor">Send buffer watermark factor:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#send_buffer_watermark_factor" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="sendBufferWatermarkFactor" style="width: 15em;" />&nbsp;&nbsp;%
                </td>
            </tr>
            <tr>
                <td>
                    <label for="connectionSpeed">Outgoing connections per second:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#connection_speed" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="connectionSpeed" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="socketBacklogSize">Socket backlog size:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#listen_queue_size" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="socketBacklogSize" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="outgoingPortsMin">Outgoing ports (Min) [0: Disabled]:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#outgoing_port" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="outgoingPortsMin" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="outgoingPortsMax">Outgoing ports (Max) [0: Disabled]:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#outgoing_port" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="outgoingPortsMax" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="UPnPLeaseDuration">UPnP lease duration [0: Permanent lease]:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#upnp_lease_duration" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="UPnPLeaseDuration" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="peerToS">Type of service (ToS) for connections to peers&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#peer_tos" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="peerToS" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="utpTCPMixedModeAlgorithm">μTP-TCP mixed mode algorithm:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#mixed_mode_algorithm" target="_blank">(?)</a></label>
                </td>
                <td>
                    <select id="utpTCPMixedModeAlgorithm" style="width: 15em;">
                        <option value="0">Prefer TCP</option>
                        <option value="1">Peer proportional (throttles TCP)</option>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label for="IDNSupportCheckbox">Support internationalized domain name (IDN):&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#allow_idna" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="checkbox" id="IDNSupportCheckbox" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="allowMultipleConnectionsFromTheSameIPAddress">Allow multiple connections from the same IP address:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#allow_multiple_connections_per_ip" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="checkbox" id="allowMultipleConnectionsFromTheSameIPAddress" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="validateHTTPSTrackerCertificate">Validate HTTPS tracker certificate:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#validate_https_trackers" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="checkbox" id="validateHTTPSTrackerCertificate" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="mitigateSSRF">Server-side request forgery (SSRF) mitigation:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#ssrf_mitigation" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="checkbox" id="mitigateSSRF" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="blockPeersOnPrivilegedPorts">Disallow connection to peers on privileged ports:&nbsp;<a href="https://libtorrent.org/single-page-ref.html#no_connect_privileged_ports" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="checkbox" id="blockPeersOnPrivilegedPorts" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="uploadSlotsBehavior">Upload slots behavior:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#choking_algorithm" target="_blank">(?)</a></label>
                </td>
                <td>
                    <select id="uploadSlotsBehavior" style="width: 15em;">
                        <option value="0">Fixed slots</option>
                        <option value="1">Upload rate based</option>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label for="uploadChokingAlgorithm">Upload choking algorithm:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#seed_choking_algorithm" target="_blank">(?)</a></label>
                </td>
                <td>
                    <select id="uploadChokingAlgorithm" style="width: 15em;">
                        <option value="0">Round-robin</option>
                        <option value="1">Fastest upload</option>
                        <option value="2">Anti-leech</option>
                    </select>
                </td>
            </tr>
            <tr>
                <td>
                    <label for="announceAllTrackers">Always announce to all trackers in a tier:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#announce_to_all_trackers" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="checkbox" id="announceAllTrackers" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="announceAllTiers">Always announce to all tiers:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#announce_to_all_tiers" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="checkbox" id="announceAllTiers" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="announceIP">IP address reported to trackers (requires restart):&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#announce_ip" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="announceIP" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="maxConcurrentHTTPAnnounces">Max concurrent HTTP announces:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#max_concurrent_http_announces" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="maxConcurrentHTTPAnnounces" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="stopTrackerTimeout">Stop tracker timeout:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#stop_tracker_timeout" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="stopTrackerTimeout" style="width: 15em;" />
                </td>
            </tr>
            <tr>
                <td>
                    <label for="peerTurnover">Peer turnover disconnect percentage:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#peer_turnover" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="peerTurnover" style="width: 15em;" />&nbsp;&nbsp;%
                </td>
            </tr>
            <tr>
                <td>
                    <label for="peerTurnoverCutoff">Peer turnover threshold percentage:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#peer_turnover" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="peerTurnoverCutoff" style="width: 15em;" />&nbsp;&nbsp;%
                </td>
            </tr>
            <tr>
                <td>
                    <label for="peerTurnoverInterval">Peer turnover disconnect interval:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#peer_turnover" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="peerTurnoverInterval" style="width: 15em;" />&nbsp;&nbsp;s
                </td>
            </tr>
            <tr>
                <td>
                    <label for="requestQueueSize">Maximum outstanding requests to a single peer:&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#max_out_request_queue" target="_blank">(?)</a></label>
                </td>
                <td>
                    <input type="text" id="requestQueueSize" style="width: 15em;" />
                </td>
            </tr>
        </table>
    </fieldset>
</div>

<div style="text-align: center; margin-top: 1em;"><input type="button" value="Save" onclick="qBittorrent.Preferences.applyPreferences();" /></div>

<script>
    'use strict';

    if (window.qBittorrent === undefined) {
        window.qBittorrent = {};
    }

    window.qBittorrent.Preferences = (function() {
        const exports = function() {
            return {
                updateTempDirEnabled: updateTempDirEnabled,
                updateExportDirEnabled: updateExportDirEnabled,
                updateExportDirFinEnabled: updateExportDirFinEnabled,
                addWatchFolder: addWatchFolder,
                updateExcludedFileNamesEnabled: updateExcludedFileNamesEnabled,
                changeWatchFolderSelect: changeWatchFolderSelect,
                updateMailNotification: updateMailNotification,
                updateMailAuthSettings: updateMailAuthSettings,
                updateAutoRun: updateAutoRun,
                updateAutoRunOnTorrentAdded: updateAutoRunOnTorrentAdded,
                generateRandomPort: generateRandomPort,
                updateMaxConnecEnabled: updateMaxConnecEnabled,
                updateMaxConnecPerTorrentEnabled: updateMaxConnecPerTorrentEnabled,
                updateMaxUploadsEnabled: updateMaxUploadsEnabled,
                updateMaxUploadsPerTorrentEnabled: updateMaxUploadsPerTorrentEnabled,
                updatePeerProxySettings: updatePeerProxySettings,
                updatePeerProxyAuthSettings: updatePeerProxyAuthSettings,
                updateFilterSettings: updateFilterSettings,
                updateSchedulingEnabled: updateSchedulingEnabled,
                updateQueueingSystem: updateQueueingSystem,
                updateSlowTorrentsSettings: updateSlowTorrentsSettings,
                updateMaxRatioTimeEnabled: updateMaxRatioTimeEnabled,
                updateAddTrackersEnabled: updateAddTrackersEnabled,
                updateHttpsSettings: updateHttpsSettings,
                updateBypasssAuthSettings: updateBypasssAuthSettings,
                updateAlternativeWebUISettings: updateAlternativeWebUISettings,
                updateHostHeaderValidationSettings: updateHostHeaderValidationSettings,
                updateWebUICustomHTTPHeadersSettings: updateWebUICustomHTTPHeadersSettings,
                updateWebUIReverseProxySettings: updateWebUIReverseProxySettings,
                updateDynDnsSettings: updateDynDnsSettings,
                registerDynDns: registerDynDns,
                applyPreferences: applyPreferences
            };
        };

        // Downloads tab
        const watchedFoldersTable = new HtmlTable($("watched_folders_tab"));

        const updateTempDirEnabled = function() {
            const isTempDirEnabled = $('temppath_checkbox').getProperty('checked');
            $('temppath_text').setProperty('disabled', !isTempDirEnabled);
        };

        const changeWatchFolderSelect = (item) => {
            if (item.value === "other") {
                item.nextElementSibling.hidden = false;
                item.nextElementSibling.value = 'Type folder here';
                item.nextElementSibling.select();
            }
            else {
                item.nextElementSibling.hidden = true;
                const text = item.options[item.selectedIndex].textContent;
                item.nextElementSibling.value = text;
            }
        };

        const addWatchFolder = (folder = "", sel = "default_folder", other = "") => {
            const pos = $('watched_folders_tab').getChildren('tbody')[0].getChildren('tr').length;
            const myinput = "<input id='text_watch_" + pos + "' type='text' value='" + folder + "'>";
            const disableInput = (sel !== "other");
            const mycb = "<div class='select-watched-folder-editable'>"
                + "<select id ='cb_watch_" + pos + "' onchange='qBittorrent.Preferences.changeWatchFolderSelect(this)'>"
                + "<option value='watch_folder'>Monitored folder</option>"
                + "<option value='default_folder'>Default save location</option>"
                + "<option value='other'>Other...</option>"
                + "</select>"
                + "<input id='cb_watch_txt_" + pos + "' type='text' " + (disableInput ? "hidden " : "") + "/>"
                + "<img src='images/list-add.svg' id='addFolderImg_" + pos + "' alt='Add' style='padding-left:170px;width:16px;cursor:pointer;' onclick='qBittorrent.Preferences.addWatchFolder();' />"
                + "</div>";

            watchedFoldersTable.push([myinput, mycb]);
            $('cb_watch_' + pos).setProperty('value', sel);
            if (disableInput) {
                const elt = $('cb_watch_' + pos);
                other = elt.options[elt.selectedIndex].textContent;
            }
            $('cb_watch_txt_' + pos).setProperty('value', other);

            // hide previous img
            if (pos > 0)
                $('addFolderImg_' + (pos - 1)).style.display = "none";
        };

        const getWatchedFolders = () => {
            const nb_folders = $("watched_folders_tab").getChildren("tbody")[0].getChildren("tr").length;
            const folders = new Hash();
            for (let i = 0; i < nb_folders; ++i) {
                const fpath = $('text_watch_' + i).getProperty('value').trim();
                if (fpath.length > 0) {
                    const sel = $('cb_watch_' + i).getProperty('value').trim();

                    let other;
                    if (sel === "other")
                        other = $('cb_watch_txt_' + i).getProperty('value').trim();
                    else
                        other = (sel === "watch_folder") ? 0 : 1;

                    folders.set(fpath, other);
                }
            }
            return folders;
        };

        const updateExcludedFileNamesEnabled = function() {
            const isAExcludedFileNamesEnabled = $('excludedFileNamesCheckbox').getProperty('checked');
            $('excludedFileNamesTextarea').setProperty('disabled', !isAExcludedFileNamesEnabled);
        };

        const updateExportDirEnabled = function() {
            const isExportDirEnabled = $('exportdir_checkbox').getProperty('checked');
            $('exportdir_text').setProperty('disabled', !isExportDirEnabled);
        };

        const updateExportDirFinEnabled = function() {
            const isExportDirFinEnabled = $('exportdirfin_checkbox').getProperty('checked');
            $('exportdirfin_text').setProperty('disabled', !isExportDirFinEnabled);
        };

        const updateMailNotification = function() {
            const isMailNotificationEnabled = $('mail_notification_checkbox').getProperty('checked');
            $('src_email_txt').setProperty('disabled', !isMailNotificationEnabled);
            $('dest_email_txt').setProperty('disabled', !isMailNotificationEnabled);
            $('smtp_server_txt').setProperty('disabled', !isMailNotificationEnabled);
            $('mail_ssl_checkbox').setProperty('disabled', !isMailNotificationEnabled);
            $('mail_auth_checkbox').setProperty('disabled', !isMailNotificationEnabled);

            if (!isMailNotificationEnabled) {
                $('mail_auth_checkbox').setProperty('checked', !isMailNotificationEnabled);
                updateMailAuthSettings();
            }
        };

        const updateMailAuthSettings = function() {
            const isMailAuthEnabled = $('mail_auth_checkbox').getProperty('checked');
            $('mail_username_text').setProperty('disabled', !isMailAuthEnabled);
            $('mail_password_text').setProperty('disabled', !isMailAuthEnabled);
        };

        const updateAutoRunOnTorrentAdded = function() {
            const isAutoRunOnTorrentAddedEnabled = $('autorunOnTorrentAddedCheckbox').getProperty('checked');
            $('autorunOnTorrentAddedProgram').setProperty('disabled', !isAutoRunOnTorrentAddedEnabled);
        };

        const updateAutoRun = function() {
            const isAutoRunEnabled = $('autorun_checkbox').getProperty('checked');
            $('autorunProg_txt').setProperty('disabled', !isAutoRunEnabled);
        };

        // Connection tab

        const updateMaxConnecEnabled = function() {
            const isMaxConnecEnabled = $('max_connec_checkbox').getProperty('checked');
            $('max_connec_value').setProperty('disabled', !isMaxConnecEnabled);
        };

        const updateMaxConnecPerTorrentEnabled = function() {
            const isMaxConnecPerTorrentEnabled = $('max_connec_per_torrent_checkbox').getProperty('checked');
            $('max_connec_per_torrent_value').setProperty('disabled', !isMaxConnecPerTorrentEnabled);
        };

        const updateMaxUploadsEnabled = function() {
            const isMaxUploadsEnabled = $('max_uploads_checkbox').getProperty('checked');
            $('max_uploads_value').setProperty('disabled', !isMaxUploadsEnabled);
        };

        const updateMaxUploadsPerTorrentEnabled = function() {
            const isMaxUploadsPerTorrentEnabled = $('max_uploads_per_torrent_checkbox').getProperty('checked');
            $('max_uploads_per_torrent_value').setProperty('disabled', !isMaxUploadsPerTorrentEnabled);
        };

        const updatePeerProxySettings = function() {
            const isPeerProxyTypeSelected = $('peer_proxy_type_select').getProperty('value') != "none";
            $('peer_proxy_host_text').setProperty('disabled', !isPeerProxyTypeSelected);
            $('peer_proxy_port_value').setProperty('disabled', !isPeerProxyTypeSelected);
            $('use_peer_proxy_checkbox').setProperty('disabled', !isPeerProxyTypeSelected);
            const proxyType = $('peer_proxy_type_select').getProperty('value');
            const isPeerProxyAuthenticatable = (proxyType === "socks5") || (proxyType === "http");
            $('proxy_only_for_torrents_checkbox').setProperty('disabled', !isPeerProxyAuthenticatable);

            if ($('peer_proxy_type_select').getProperty('value') === "socks4")
                $('proxy_only_for_torrents_checkbox').setProperty('checked', true);

            const canPeerProxyResolveHostnames = (proxyType === "socks5") || (proxyType === "http");
            $('proxyHostnameLookupCheckbox').setProperty('disabled', !canPeerProxyResolveHostnames);

            $('peer_proxy_auth_checkbox').setProperty('disabled', !isPeerProxyAuthenticatable);

            updatePeerProxyAuthSettings();
        };

        const updatePeerProxyAuthSettings = function() {
            const isPeerProxyAuthEnabled = (!$('peer_proxy_auth_checkbox').getProperty('disabled') && $('peer_proxy_auth_checkbox').getProperty('checked'));
            $('peer_proxy_username_text').setProperty('disabled', !isPeerProxyAuthEnabled);
            $('peer_proxy_password_text').setProperty('disabled', !isPeerProxyAuthEnabled);
        };

        const updateFilterSettings = function() {
            const isIPFilterEnabled = $('ipfilter_text_checkbox').getProperty('checked');
            $('ipfilter_text').setProperty('disabled', !isIPFilterEnabled);
        };

        // Speed tab
        const updateSchedulingEnabled = function() {
            const isLimitSchedulingEnabled = $('limitSchedulingCheckbox').getProperty('checked');
            $('schedule_from_hour').setProperty('disabled', !isLimitSchedulingEnabled);
            $('schedule_from_min').setProperty('disabled', !isLimitSchedulingEnabled);
            $('schedule_to_hour').setProperty('disabled', !isLimitSchedulingEnabled);
            $('schedule_to_min').setProperty('disabled', !isLimitSchedulingEnabled);
            $('schedule_freq_select').setProperty('disabled', !isLimitSchedulingEnabled);
        };

        // Bittorrent tab
        const updateQueueingSystem = function() {
            const isQueueingEnabled = $('queueing_checkbox').getProperty('checked');
            $('max_active_dl_value').setProperty('disabled', !isQueueingEnabled);
            $('max_active_up_value').setProperty('disabled', !isQueueingEnabled);
            $('max_active_to_value').setProperty('disabled', !isQueueingEnabled);
            $('dont_count_slow_torrents_checkbox').setProperty('disabled', !isQueueingEnabled);
            updateSlowTorrentsSettings();
        };

        const updateSlowTorrentsSettings = function() {
            const isDontCountSlowTorrentsEnabled = (!$('dont_count_slow_torrents_checkbox').getProperty('disabled')) && $('dont_count_slow_torrents_checkbox').getProperty('checked');
            $('dl_rate_threshold').setProperty('disabled', !isDontCountSlowTorrentsEnabled);
            $('ul_rate_threshold').setProperty('disabled', !isDontCountSlowTorrentsEnabled);
            $('torrent_inactive_timer').setProperty('disabled', !isDontCountSlowTorrentsEnabled);
        };

        const updateMaxRatioTimeEnabled = function() {
            const isMaxRatioEnabled = $('max_ratio_checkbox').getProperty('checked');
            $('max_ratio_value').setProperty('disabled', !isMaxRatioEnabled);

            const isMaxSeedingTimeEnabled = $('max_seeding_time_checkbox').getProperty('checked');
            $('max_seeding_time_value').setProperty('disabled', !isMaxSeedingTimeEnabled);

            $('max_ratio_act').setProperty('disabled', !(isMaxRatioEnabled || isMaxSeedingTimeEnabled));
        };

        const updateAddTrackersEnabled = function() {
            const isAddTrackersEnabled = $('add_trackers_checkbox').getProperty('checked');
            $('add_trackers_textarea').setProperty('disabled', !isAddTrackersEnabled);
        };

        // Web UI tab
        const updateHttpsSettings = function() {
            const isUseHttpsEnabled = $('use_https_checkbox').getProperty('checked');
            $('ssl_cert_text').setProperty('disabled', !isUseHttpsEnabled);
            $('ssl_key_text').setProperty('disabled', !isUseHttpsEnabled);
            $('secureCookieCheckbox').setProperty('disabled', !isUseHttpsEnabled);
        };

        const updateBypasssAuthSettings = function() {
            const isBypassAuthSubnetWhitelistEnabled = $('bypass_auth_subnet_whitelist_checkbox').getProperty('checked');
            $('bypass_auth_subnet_whitelist_textarea').setProperty('disabled', !isBypassAuthSubnetWhitelistEnabled);
        };

        const updateAlternativeWebUISettings = function() {
            const isUseAlternativeWebUIEnabled = $('use_alt_webui_checkbox').getProperty('checked');
            $('webui_files_location_textarea').setProperty('disabled', !isUseAlternativeWebUIEnabled);
        };

        const updateHostHeaderValidationSettings = function() {
            const isHostHeaderValidationEnabled = $('host_header_validation_checkbox').getProperty('checked');
            $('webui_domain_textarea').setProperty('disabled', !isHostHeaderValidationEnabled);
        };

        const updateWebUICustomHTTPHeadersSettings = function() {
            const isEnabled = $('webUIUseCustomHTTPHeadersCheckbox').getProperty('checked');
            $('webUICustomHTTPHeadersTextarea').setProperty('disabled', !isEnabled);
        };

        const updateWebUIReverseProxySettings = function() {
            const isEnabled = $('webUIReverseProxySupportCheckbox').getProperty('checked');
            $('webUIReverseProxiesListTextarea').setProperty('disabled', !isEnabled);
        };

        const updateDynDnsSettings = function() {
            const isDynDnsEnabled = $('use_dyndns_checkbox').getProperty('checked');
            $('dyndns_select').setProperty('disabled', !isDynDnsEnabled);
            $('dyndns_domain_text').setProperty('disabled', !isDynDnsEnabled);
            $('dyndns_username_text').setProperty('disabled', !isDynDnsEnabled);
            $('dyndns_password_text').setProperty('disabled', !isDynDnsEnabled);
        };

        const registerDynDns = function() {
            if ($('dyndns_select').getProperty('value').toInt() == 1) {
                window.open("http://www.no-ip.com/services/managed_dns/free_dynamic_dns.html", "NO-IP Registration");
            }
            else {
                window.open("https://www.dyndns.com/account/services/hosts/add.html", "DynDNS Registration");
            }
        };

        const generateRandomPort = function() {
            const min = 1024;
            const max = 65535;
            const port = Math.floor(Math.random() * (max - min + 1) + min);
            $('port_value').setProperty('value', port);
        };

        const time_padding = function(val) {
            let ret = val.toString();
            if (ret.length == 1)
                ret = '0' + ret;
            return ret;
        };

        // Advanced Tab
        const updateNetworkInterfaces = function(default_iface) {
            const url = 'api/v2/app/networkInterfaceList';
            $('networkInterface').empty();
            new Request.JSON({
                url: url,
                method: 'get',
                noCache: true,
                onFailure: function() {
                    alert("Could not contact qBittorrent");
                },
                onSuccess: function(ifaces) {
                    if (!ifaces)
                        return;

                    $('networkInterface').options.add(new Option('Any interface', ''));
                    ifaces.forEach(function(item, index) {
                        $('networkInterface').options.add(new Option(item.name, item.value));
                    });
                    $('networkInterface').setProperty('value', default_iface);
                }
            }).send();
        };

        const updateInterfaceAddresses = function(iface, default_addr) {
            const url = 'api/v2/app/networkInterfaceAddressList';
            $('optionalIPAddressToBind').empty();
            new Request.JSON({
                url: url,
                method: 'get',
                noCache: true,
                data: {
                    'iface': iface
                },
                onFailure: function() {
                    alert("Could not contact qBittorrent");
                },
                onSuccess: function(addresses) {
                    if (!addresses)
                        return;

                    $('optionalIPAddressToBind').options.add(new Option('All addresses', ''));
                    $('optionalIPAddressToBind').options.add(new Option('All IPv4 addresses', '0.0.0.0'));
                    $('optionalIPAddressToBind').options.add(new Option('All IPv6 addresses', '::'));
                    addresses.forEach(function(item, index) {
                        $('optionalIPAddressToBind').options.add(new Option(item, item));
                    });
                    $('optionalIPAddressToBind').setProperty('value', default_addr);
                }
            }).send();
        };

        const loadPreferences = function() {
            const url = 'api/v2/app/preferences';
            new Request.JSON({
                url: url,
                method: 'get',
                noCache: true,
                onFailure: function() {
                    alert("Could not contact qBittorrent");
                },
                onSuccess: function(pref) {
                    if (pref) {
                        // Downloads tab
                        // When adding a torrent
                        let index = 0;
                        switch (pref.torrent_content_layout) {
                            case "Original":
                                index = 0;
                                break;
                            case "Subfolder":
                                index = 1;
                                break;
                            case "NoSubfolder":
                                index = 2;
                                break;
                        }
                        $('contentlayout_select').getChildren('option')[index].setAttribute('selected', '');
                        $('dontstartdownloads_checkbox').setProperty('checked', pref.start_paused_enabled);
                        switch (pref.torrent_stop_condition) {
                            case "None":
                                index = 0;
                                break;
                            case "MetadataReceived":
                                index = 1;
                                break;
                            case "FilesChecked":
                                index = 2;
                                break;
                        }
                        $('stopConditionSelect').getChildren('option')[index].setAttribute('selected', '');
                        $('deletetorrentfileafter_checkbox').setProperty('checked', pref.auto_delete_mode);

                        $('preallocateall_checkbox').setProperty('checked', pref.preallocate_all);
                        $('appendext_checkbox').setProperty('checked', pref.incomplete_files_ext);

                        // Saving Management
                        $('default_tmm_combobox').setProperty('value', pref.auto_tmm_enabled);
                        $('torrent_changed_tmm_combobox').setProperty('value', pref.torrent_changed_tmm_enabled);
                        $('save_path_changed_tmm_combobox').setProperty('value', pref.save_path_changed_tmm_enabled);
                        $('category_changed_tmm_combobox').setProperty('value', pref.category_changed_tmm_enabled);
                        $('savepath_text').setProperty('value', pref.save_path);
                        $('temppath_checkbox').setProperty('checked', pref.temp_path_enabled);
                        $('temppath_text').setProperty('value', pref.temp_path);
                        updateTempDirEnabled();
                        if (pref.export_dir != '') {
                            $('exportdir_checkbox').setProperty('checked', true);
                            $('exportdir_text').setProperty('value', pref.export_dir);
                        }
                        else {
                            $('exportdir_checkbox').setProperty('checked', false);
                            $('exportdir_text').setProperty('value', '');
                        }
                        updateExportDirEnabled();
                        if (pref.export_dir_fin != '') {
                            $('exportdirfin_checkbox').setProperty('checked', true);
                            $('exportdirfin_text').setProperty('value', pref.export_dir_fin);
                        }
                        else {
                            $('exportdirfin_checkbox').setProperty('checked', false);
                            $('exportdirfin_text').setProperty('value', '');
                        }
                        updateExportDirFinEnabled();

                        // Automatically add torrents from
                        for (const [folder, folderType] of Object.entries(pref.scan_dirs)) {
                            let sel = "";
                            let other = "";
                            if (typeof folderType === "number") {
                                sel = (folderType === 0) ? "watch_folder" : "default_folder";
                            }
                            else {
                                sel = "other";
                                other = folderType;
                            }
                            addWatchFolder(folder, sel, other);
                        }
                        addWatchFolder();

                        // Excluded file names
                        $('excludedFileNamesCheckbox').setProperty('checked', pref.excluded_file_names_enabled);
                        $('excludedFileNamesTextarea').setProperty('value', pref.excluded_file_names);

                        // Email notification upon download completion
                        $('mail_notification_checkbox').setProperty('checked', pref.mail_notification_enabled);
                        $('src_email_txt').setProperty('value', pref.mail_notification_sender);
                        $('dest_email_txt').setProperty('value', pref.mail_notification_email);
                        $('smtp_server_txt').setProperty('value', pref.mail_notification_smtp);
                        $('mail_ssl_checkbox').setProperty('checked', pref.mail_notification_ssl_enabled);
                        $('mail_auth_checkbox').setProperty('checked', pref.mail_notification_auth_enabled);
                        $('mail_username_text').setProperty('value', pref.mail_notification_username);
                        $('mail_password_text').setProperty('value', pref.mail_notification_password);
                        updateMailNotification();
                        updateMailAuthSettings();

                        // Run an external program on torrent added
                        $('autorunOnTorrentAddedCheckbox').setProperty('checked', pref.autorun_on_torrent_added_enabled);
                        $('autorunOnTorrentAddedProgram').setProperty('value', pref.autorun_on_torrent_added_program);
                        updateAutoRunOnTorrentAdded();
                        // Run an external program on torrent finished
                        $('autorun_checkbox').setProperty('checked', pref.autorun_enabled);
                        $('autorunProg_txt').setProperty('value', pref.autorun_program);
                        updateAutoRun();

                        // Connection tab
                        // Listening Port
                        $('port_value').setProperty('value', pref.listen_port.toInt());
                        $('upnp_checkbox').setProperty('checked', pref.upnp);

                        // Connections Limits
                        const max_connec = pref.max_connec.toInt();
                        if (max_connec <= 0) {
                            $('max_connec_checkbox').setProperty('checked', false);
                            $('max_connec_value').setProperty('value', 500);
                        }
                        else {
                            $('max_connec_checkbox').setProperty('checked', true);
                            $('max_connec_value').setProperty('value', max_connec);
                        }
                        updateMaxConnecEnabled();
                        const max_connec_per_torrent = pref.max_connec_per_torrent.toInt();
                        if (max_connec_per_torrent <= 0) {
                            $('max_connec_per_torrent_checkbox').setProperty('checked', false);
                            $('max_connec_per_torrent_value').setProperty('value', 100);
                        }
                        else {
                            $('max_connec_per_torrent_checkbox').setProperty('checked', true);
                            $('max_connec_per_torrent_value').setProperty('value', max_connec_per_torrent);
                        }
                        updateMaxConnecPerTorrentEnabled();
                        const max_uploads = pref.max_uploads.toInt();
                        if (max_uploads <= 0) {
                            $('max_uploads_checkbox').setProperty('checked', false);
                            $('max_uploads_value').setProperty('value', 8);
                        }
                        else {
                            $('max_uploads_checkbox').setProperty('checked', true);
                            $('max_uploads_value').setProperty('value', max_uploads);
                        }
                        updateMaxUploadsEnabled();
                        const max_uploads_per_torrent = pref.max_uploads_per_torrent.toInt();
                        if (max_uploads_per_torrent <= 0) {
                            $('max_uploads_per_torrent_checkbox').setProperty('checked', false);
                            $('max_uploads_per_torrent_value').setProperty('value', 4);
                        }
                        else {
                            $('max_uploads_per_torrent_checkbox').setProperty('checked', true);
                            $('max_uploads_per_torrent_value').setProperty('value', max_uploads_per_torrent);
                        }
                        updateMaxUploadsPerTorrentEnabled();

                        // Proxy Server
                        switch (pref.proxy_type.toInt()) {
                            case 5: //SOCKS4
                                $('peer_proxy_type_select').setProperty('value', 'socks4');
                                break;
                            case 2: // SOCKS5
                            case 4: // SOCKS5_PW
                                $('peer_proxy_type_select').setProperty('value', 'socks5');
                                break;
                            case 1: // HTTP
                            case 3: // HTTP_PW
                                $('peer_proxy_type_select').setProperty('value', 'http');
                                break;
                            default: // NONE
                                $('peer_proxy_type_select').setProperty('value', 'none');
                        }
                        updatePeerProxySettings();
                        $('peer_proxy_host_text').setProperty('value', pref.proxy_ip);
                        $('peer_proxy_port_value').setProperty('value', pref.proxy_port);
                        $('use_peer_proxy_checkbox').setProperty('checked', pref.proxy_peer_connections);
                        $('proxy_only_for_torrents_checkbox').setProperty('checked', pref.proxy_torrents_only);
                        $('proxyHostnameLookupCheckbox').setProperty('checked', pref.proxy_hostname_lookup);
                        $('peer_proxy_auth_checkbox').setProperty('checked', pref.proxy_auth_enabled);
                        updatePeerProxyAuthSettings();
                        $('peer_proxy_username_text').setProperty('value', pref.proxy_username);
                        $('peer_proxy_password_text').setProperty('value', pref.proxy_password);

                        // IP Filtering
                        $('ipfilter_text_checkbox').setProperty('checked', pref.ip_filter_enabled);
                        $('ipfilter_text').setProperty('value', pref.ip_filter_path);
                        $('ipfilter_trackers_checkbox').setProperty('checked', pref.ip_filter_trackers);
                        $('banned_IPs_textarea').setProperty('value', pref.banned_IPs);
                        updateFilterSettings();

                        // Speed tab
                        // Global Rate Limits
                        $('up_limit_value').setProperty('value', (pref.up_limit.toInt() / 1024));
                        $('dl_limit_value').setProperty('value', (pref.dl_limit.toInt() / 1024));
                        // Alternative Global Rate Limits
                        $('alt_up_limit_value').setProperty('value', (pref.alt_up_limit.toInt() / 1024));
                        $('alt_dl_limit_value').setProperty('value', (pref.alt_dl_limit.toInt() / 1024));

                        $('enable_protocol_combobox').setProperty('value', pref.bittorrent_protocol);
                        $('limit_utp_rate_checkbox').setProperty('checked', pref.limit_utp_rate);
                        $('limit_tcp_overhead_checkbox').setProperty('checked', pref.limit_tcp_overhead);
                        $('limit_lan_peers_checkbox').setProperty('checked', pref.limit_lan_peers);

                        // Scheduling
                        $('limitSchedulingCheckbox').setProperty('checked', pref.scheduler_enabled);
                        $('schedule_from_hour').setProperty('value', time_padding(pref.schedule_from_hour));
                        $('schedule_from_min').setProperty('value', time_padding(pref.schedule_from_min));
                        $('schedule_to_hour').setProperty('value', time_padding(pref.schedule_to_hour));
                        $('schedule_to_min').setProperty('value', time_padding(pref.schedule_to_min));
                        $('schedule_freq_select').setProperty('value', pref.scheduler_days);
                        updateSchedulingEnabled();

                        // Bittorrent tab
                        // Privacy
                        $('dht_checkbox').setProperty('checked', pref.dht);
                        $('pex_checkbox').setProperty('checked', pref.pex);
                        $('lsd_checkbox').setProperty('checked', pref.lsd);
                        const encryption = pref.encryption.toInt();
                        $('encryption_select').getChildren('option')[encryption].setAttribute('selected', '');
                        $('anonymous_mode_checkbox').setProperty('checked', pref.anonymous_mode);

                        $('maxActiveCheckingTorrents').setProperty('value', pref.max_active_checking_torrents);

                        // Torrent Queueing
                        $('queueing_checkbox').setProperty('checked', pref.queueing_enabled);
                        $('max_active_dl_value').setProperty('value', pref.max_active_downloads.toInt());
                        $('max_active_up_value').setProperty('value', pref.max_active_uploads.toInt());
                        $('max_active_to_value').setProperty('value', pref.max_active_torrents.toInt());
                        $('dont_count_slow_torrents_checkbox').setProperty('checked', pref.dont_count_slow_torrents);
                        $('dl_rate_threshold').setProperty('value', pref.slow_torrent_dl_rate_threshold.toInt());
                        $('ul_rate_threshold').setProperty('value', pref.slow_torrent_ul_rate_threshold.toInt());
                        $('torrent_inactive_timer').setProperty('value', pref.slow_torrent_inactive_timer.toInt());
                        updateQueueingSystem();

                        // Share Limiting
                        $('max_ratio_checkbox').setProperty('checked', pref.max_ratio_enabled);
                        $('max_ratio_value').setProperty('value', (pref.max_ratio_enabled ? pref.max_ratio : 1));
                        $('max_seeding_time_checkbox').setProperty('checked', pref.max_seeding_time_enabled);
                        $('max_seeding_time_value').setProperty('value', (pref.max_seeding_time_enabled ? pref.max_seeding_time.toInt() : 1440));
                        let maxRatioAct = 0;
                        switch (pref.max_ratio_act.toInt()) {
                            case 0: // Pause
                            default:
                                maxRatioAct = 0;
                                break;
                            case 1: // Remove
                                maxRatioAct = 1;
                                break;
                            case 2: // Enable super seeding
                                maxRatioAct = 3;
                                break;
                            case 3: // Remove torrent and files
                                maxRatioAct = 2;
                                break;
                        }
                        $('max_ratio_act').getChildren('option')[maxRatioAct].setAttribute('selected', '');
                        updateMaxRatioTimeEnabled();

                        // Add trackers
                        $('add_trackers_checkbox').setProperty('checked', pref.add_trackers_enabled);
                        $('add_trackers_textarea').setProperty('value', pref.add_trackers);
                        updateAddTrackersEnabled();

                        // RSS Tab
                        $('enable_fetching_rss_feeds_checkbox').setProperty('checked', pref.rss_processing_enabled);
                        $('feed_refresh_interval').setProperty('value', pref.rss_refresh_interval);
                        $('maximum_article_number').setProperty('value', pref.rss_max_articles_per_feed);
                        $('enable_auto_downloading_rss_torrents_checkbox').setProperty('checked', pref.rss_auto_downloading_enabled);
                        $('downlock_repack_proper_episodes').setProperty('checked', pref.rss_download_repack_proper_episodes);
                        $('rss_filter_textarea').setProperty('value', pref.rss_smart_episode_filters);

                        // Web UI tab
                        // Language
                        $('locale_select').setProperty('value', ((pref.locale === "en_US") ? "en" : pref.locale));
                        $('performanceWarning').setProperty('checked', pref.performance_warning);

                        // HTTP Server
                        $('webui_domain_textarea').setProperty('value', pref.web_ui_domain_list);
                        $('webui_address_value').setProperty('value', pref.web_ui_address);
                        $('webui_port_value').setProperty('value', pref.web_ui_port);
                        $('webui_upnp_checkbox').setProperty('checked', pref.web_ui_upnp);
                        $('use_https_checkbox').setProperty('checked', pref.use_https);
                        $('ssl_cert_text').setProperty('value', pref.web_ui_https_cert_path);
                        $('ssl_key_text').setProperty('value', pref.web_ui_https_key_path);
                        updateHttpsSettings();

                        // Authentication
                        $('webui_username_text').setProperty('value', pref.web_ui_username);
                        $('bypass_local_auth_checkbox').setProperty('checked', pref.bypass_local_auth);
                        $('bypass_auth_subnet_whitelist_checkbox').setProperty('checked', pref.bypass_auth_subnet_whitelist_enabled);
                        $('bypass_auth_subnet_whitelist_textarea').setProperty('value', pref.bypass_auth_subnet_whitelist);
                        updateBypasssAuthSettings();
                        $('webUIMaxAuthFailCountInput').setProperty('value', pref.web_ui_max_auth_fail_count.toInt());
                        $('webUIBanDurationInput').setProperty('value', pref.web_ui_ban_duration.toInt());
                        $('webUISessionTimeoutInput').setProperty('value', pref.web_ui_session_timeout.toInt());

                        // Use alternative Web UI
                        $('use_alt_webui_checkbox').setProperty('checked', pref.alternative_webui_enabled);
                        $('webui_files_location_textarea').setProperty('value', pref.alternative_webui_path);
                        updateAlternativeWebUISettings();

                        // Security
                        $('clickjacking_protection_checkbox').setProperty('checked', pref.web_ui_clickjacking_protection_enabled);
                        $('csrf_protection_checkbox').setProperty('checked', pref.web_ui_csrf_protection_enabled);
                        $('secureCookieCheckbox').setProperty('checked', pref.web_ui_secure_cookie_enabled);
                        $('host_header_validation_checkbox').setProperty('checked', pref.web_ui_host_header_validation_enabled);
                        updateHostHeaderValidationSettings();

                        // Custom HTTP headers
                        $('webUIUseCustomHTTPHeadersCheckbox').setProperty('checked', pref.web_ui_use_custom_http_headers_enabled);
                        $('webUICustomHTTPHeadersTextarea').setProperty('value', pref.web_ui_custom_http_headers);
                        updateWebUICustomHTTPHeadersSettings();

                        // Reverse Proxy
                        $('webUIReverseProxySupportCheckbox').setProperty('checked', pref.web_ui_reverse_proxy_enabled);
                        $('webUIReverseProxiesListTextarea').setProperty('value', pref.web_ui_reverse_proxies_list);
                        updateWebUIReverseProxySettings();

                        // Update my dynamic domain name
                        $('use_dyndns_checkbox').setProperty('checked', pref.dyndns_enabled);
                        $('dyndns_select').setProperty('value', pref.dyndns_service);
                        $('dyndns_domain_text').setProperty('value', pref.dyndns_domain);
                        $('dyndns_username_text').setProperty('value', pref.dyndns_username);
                        $('dyndns_password_text').setProperty('value', pref.dyndns_password);
                        updateDynDnsSettings();

                        // Advanced settings
                        // qBittorrent section
                        $('memoryWorkingSetLimit').setProperty('value', pref.memory_working_set_limit);
                        updateNetworkInterfaces(pref.current_network_interface);
                        updateInterfaceAddresses(pref.current_network_interface, pref.current_interface_address);
                        $('saveResumeDataInterval').setProperty('value', pref.save_resume_data_interval);
                        $('recheckTorrentsOnCompletion').setProperty('checked', pref.recheck_completed_torrents);
                        $('refreshInterval').setProperty('value', pref.refresh_interval);
                        $('resolvePeerCountries').setProperty('checked', pref.resolve_peer_countries);
                        $('reannounceWhenAddressChanged').setProperty('checked', pref.reannounce_when_address_changed);
                        // libtorrent section
                        $('asyncIOThreads').setProperty('value', pref.async_io_threads);
                        $('hashingThreads').setProperty('value', pref.hashing_threads);
                        $('filePoolSize').setProperty('value', pref.file_pool_size);
                        $('outstandMemoryWhenCheckingTorrents').setProperty('value', pref.checking_memory_use);
                        $('diskCache').setProperty('value', pref.disk_cache);
                        $('diskCacheExpiryInterval').setProperty('value', pref.disk_cache_ttl);
                        $('diskQueueSize').setProperty('value', (pref.disk_queue_size / 1024));
                        $('diskIOType').setProperty('value', pref.disk_io_type);
                        $('diskIOReadMode').setProperty('value', pref.disk_io_read_mode);
                        $('diskIOWriteMode').setProperty('value', pref.disk_io_write_mode);
                        $('coalesceReadsAndWrites').setProperty('checked', pref.enable_coalesce_read_write);
                        $('pieceExtentAffinity').setProperty('checked', pref.enable_piece_extent_affinity);
                        $('sendUploadPieceSuggestions').setProperty('checked', pref.enable_upload_suggestions);
                        $('sendBufferWatermark').setProperty('value', pref.send_buffer_watermark);
                        $('sendBufferLowWatermark').setProperty('value', pref.send_buffer_low_watermark);
                        $('sendBufferWatermarkFactor').setProperty('value', pref.send_buffer_watermark_factor);
                        $('connectionSpeed').setProperty('value', pref.connection_speed);
                        $('socketBacklogSize').setProperty('value', pref.socket_backlog_size);
                        $('outgoingPortsMin').setProperty('value', pref.outgoing_ports_min);
                        $('outgoingPortsMax').setProperty('value', pref.outgoing_ports_max);
                        $('UPnPLeaseDuration').setProperty('value', pref.upnp_lease_duration);
                        $('peerToS').setProperty('value', pref.peer_tos);
                        $('utpTCPMixedModeAlgorithm').setProperty('value', pref.utp_tcp_mixed_mode);
                        $('IDNSupportCheckbox').setProperty('checked', pref.idn_support_enabled);
                        $('allowMultipleConnectionsFromTheSameIPAddress').setProperty('checked', pref.enable_multi_connections_from_same_ip);
                        $('validateHTTPSTrackerCertificate').setProperty('checked', pref.validate_https_tracker_certificate);
                        $('mitigateSSRF').setProperty('checked', pref.ssrf_mitigation);
                        $('blockPeersOnPrivilegedPorts').setProperty('checked', pref.block_peers_on_privileged_ports);
                        $('enableEmbeddedTracker').setProperty('checked', pref.enable_embedded_tracker);
                        $('embeddedTrackerPort').setProperty('value', pref.embedded_tracker_port);
                        $('embeddedTrackerPortForwarding').setProperty('checked', pref.embedded_tracker_port_forwarding);
                        $('uploadSlotsBehavior').setProperty('value', pref.upload_slots_behavior);
                        $('uploadChokingAlgorithm').setProperty('value', pref.upload_choking_algorithm);
                        $('announceAllTrackers').setProperty('checked', pref.announce_to_all_trackers);
                        $('announceAllTiers').setProperty('checked', pref.announce_to_all_tiers);
                        $('announceIP').setProperty('value', pref.announce_ip);
                        $('maxConcurrentHTTPAnnounces').setProperty('value', pref.max_concurrent_http_announces);
                        $('stopTrackerTimeout').setProperty('value', pref.stop_tracker_timeout);
                        $('peerTurnover').setProperty('value', pref.peer_turnover);
                        $('peerTurnoverCutoff').setProperty('value', pref.peer_turnover_cutoff);
                        $('peerTurnoverInterval').setProperty('value', pref.peer_turnover_interval);
                        $('requestQueueSize').setProperty('value', pref.request_queue_size);
                    }
                }
            }).send();
        };

        const applyPreferences = function() {
            const settings = new Hash();
            // Validate form data
            // Downloads tab
            // When adding a torrent
            settings.set('torrent_content_layout', $('contentlayout_select').getSelected()[0].getProperty('value'));
            settings.set('start_paused_enabled', $('dontstartdownloads_checkbox').getProperty('checked'));
            settings.set('torrent_stop_condition', $('stopConditionSelect').getSelected()[0].getProperty('value'));
            settings.set('auto_delete_mode', $('deletetorrentfileafter_checkbox').getProperty('checked'));

            settings.set('preallocate_all', $('preallocateall_checkbox').getProperty('checked'));
            settings.set('incomplete_files_ext', $('appendext_checkbox').getProperty('checked'));

            // Saving Management
            settings.set('auto_tmm_enabled', $('default_tmm_combobox').getProperty('value'));
            settings.set('torrent_changed_tmm_enabled', $('torrent_changed_tmm_combobox').getProperty('value'));
            settings.set('save_path_changed_tmm_enabled', $('save_path_changed_tmm_combobox').getProperty('value'));
            settings.set('category_changed_tmm_enabled', $('category_changed_tmm_combobox').getProperty('value'));
            settings.set('save_path', $('savepath_text').getProperty('value'));
            settings.set('temp_path_enabled', $('temppath_checkbox').getProperty('checked'));
            settings.set('temp_path', $('temppath_text').getProperty('value'));
            if ($('exportdir_checkbox').getProperty('checked'))
                settings.set('export_dir', $('exportdir_text').getProperty('value'));
            else
                settings.set('export_dir', '');
            if ($('exportdirfin_checkbox').getProperty('checked'))
                settings.set('export_dir_fin', $('exportdirfin_text').getProperty('value'));
            else
                settings.set('export_dir_fin', '');

            // Automatically add torrents from
            settings.set('scan_dirs', getWatchedFolders());

            // Excluded file names
            settings.set('excluded_file_names_enabled', $('excludedFileNamesCheckbox').getProperty('checked'));
            settings.set('excluded_file_names', $('excludedFileNamesTextarea').getProperty('value'));

            // Email notification upon download completion
            settings.set('mail_notification_enabled', $('mail_notification_checkbox').getProperty('checked'));
            settings.set('mail_notification_sender', $('src_email_txt').getProperty('value'));
            settings.set('mail_notification_email', $('dest_email_txt').getProperty('value'));
            settings.set('mail_notification_smtp', $('smtp_server_txt').getProperty('value'));
            settings.set('mail_notification_ssl_enabled', $('mail_ssl_checkbox').getProperty('checked'));
            settings.set('mail_notification_auth_enabled', $('mail_auth_checkbox').getProperty('checked'));
            settings.set('mail_notification_username', $('mail_username_text').getProperty('value'));
            settings.set('mail_notification_password', $('mail_password_text').getProperty('value'));

            // Run an external program on torrent added
            settings.set('autorun_on_torrent_added_enabled', $('autorunOnTorrentAddedCheckbox').getProperty('checked'));
            settings.set('autorun_on_torrent_added_program', $('autorunOnTorrentAddedProgram').getProperty('value'));
            // Run an external program on torrent finished
            settings.set('autorun_enabled', $('autorun_checkbox').getProperty('checked'));
            settings.set('autorun_program', $('autorunProg_txt').getProperty('value'));

            // Connection tab
            // Listening Port
            const listen_port = $('port_value').getProperty('value').toInt();
            if (isNaN(listen_port) || (listen_port < 0) || (listen_port > 65535)) {
                alert("The port used for incoming connections must be between 0 and 65535.");
                return;
            }
            settings.set('listen_port', listen_port);
            settings.set('upnp', $('upnp_checkbox').getProperty('checked'));

            // Connections Limits
            let max_connec = -1;
            if ($('max_connec_checkbox').getProperty('checked')) {
                max_connec = $('max_connec_value').getProperty('value').toInt();
                if (isNaN(max_connec) || max_connec <= 0) {
                    alert("Maximum number of connections limit must be greater than 0 or disabled.");
                    return;
                }
            }
            settings.set('max_connec', max_connec);
            let max_connec_per_torrent = -1;
            if ($('max_connec_per_torrent_checkbox').getProperty('checked')) {
                max_connec_per_torrent = $('max_connec_per_torrent_value').getProperty('value').toInt();
                if (isNaN(max_connec_per_torrent) || max_connec_per_torrent <= 0) {
                    alert("Maximum number of connections per torrent limit must be greater than 0 or disabled.");
                    return;
                }
            }
            settings.set('max_connec_per_torrent', max_connec_per_torrent);
            let max_uploads = -1;
            if ($('max_uploads_checkbox').getProperty('checked')) {
                max_uploads = $('max_uploads_value').getProperty('value').toInt();
                if (isNaN(max_uploads) || max_uploads <= 0) {
                    alert("Global number of upload slots limit must be greater than 0 or disabled.");
                    return;
                }
            }
            settings.set('max_uploads', max_uploads);
            let max_uploads_per_torrent = -1;
            if ($('max_uploads_per_torrent_checkbox').getProperty('checked')) {
                max_uploads_per_torrent = $('max_uploads_per_torrent_value').getProperty('value').toInt();
                if (isNaN(max_uploads_per_torrent) || max_uploads_per_torrent <= 0) {
                    alert("Maximum number of upload slots per torrent limit must be greater than 0 or disabled.");
                    return;
                }
            }
            settings.set('max_uploads_per_torrent', max_uploads_per_torrent);

            // Proxy Server
            const proxy_type_str = $('peer_proxy_type_select').getProperty('value');
            let proxy_type = 0;
            let proxy_auth_enabled = false;
            if (proxy_type_str == "socks5") {
                if ($('peer_proxy_auth_checkbox').getProperty('checked')) {
                    proxy_type = 4;
                    proxy_auth_enabled = true;
                }
                else {
                    proxy_type = 2;
                }
            }
            else {
                if (proxy_type_str == "socks4") {
                    proxy_type = 5;
                }
                else {
                    if (proxy_type_str == "http") {
                        if ($('peer_proxy_auth_checkbox').getProperty('checked')) {
                            proxy_type = 3;
                            proxy_auth_enabled = true;
                        }
                        else {
                            proxy_type = 1;
                        }
                    }
                }
            }
            settings.set('proxy_type', proxy_type);
            settings.set('proxy_auth_enabled', proxy_auth_enabled);
            settings.set('proxy_ip', $('peer_proxy_host_text').getProperty('value'));
            settings.set('proxy_port', $('peer_proxy_port_value').getProperty('value').toInt());
            settings.set('proxy_peer_connections', $('use_peer_proxy_checkbox').getProperty('checked'));
            settings.set('proxy_torrents_only', $('proxy_only_for_torrents_checkbox').getProperty('checked'));
            settings.set('proxy_hostname_lookup', $('proxyHostnameLookupCheckbox').getProperty('checked'));
            settings.set('proxy_username', $('peer_proxy_username_text').getProperty('value'));
            settings.set('proxy_password', $('peer_proxy_password_text').getProperty('value'));

            // IP Filtering
            settings.set('ip_filter_enabled', $('ipfilter_text_checkbox').getProperty('checked'));
            settings.set('ip_filter_path', $('ipfilter_text').getProperty('value'));
            settings.set('ip_filter_trackers', $('ipfilter_trackers_checkbox').getProperty('checked'));
            settings.set('banned_IPs', $('banned_IPs_textarea').getProperty('value'));

            // Speed tab
            // Global Rate Limits
            const up_limit = $('up_limit_value').getProperty('value').toInt() * 1024;
            if (isNaN(up_limit) || up_limit < 0) {
                alert("Global upload rate limit must be greater than 0 or disabled.");
                return;
            }
            settings.set('up_limit', up_limit);

            const dl_limit = $('dl_limit_value').getProperty('value').toInt() * 1024;
            if (isNaN(dl_limit) || dl_limit < 0) {
                alert("Global download rate limit must be greater than 0 or disabled.");
                return;
            }
            settings.set('dl_limit', dl_limit);

            // Alternative Global Rate Limits
            const alt_up_limit = $('alt_up_limit_value').getProperty('value').toInt() * 1024;
            if (isNaN(alt_up_limit) || alt_up_limit < 0) {
                alert("Alternative upload rate limit must be greater than 0 or disabled.");
                return;
            }
            settings.set('alt_up_limit', alt_up_limit);

            const alt_dl_limit = $('alt_dl_limit_value').getProperty('value').toInt() * 1024;
            if (isNaN(alt_dl_limit) || alt_dl_limit < 0) {
                alert("Alternative download rate limit must be greater than 0 or disabled.");
                return;
            }
            settings.set('alt_dl_limit', alt_dl_limit);

            settings.set('bittorrent_protocol', $('enable_protocol_combobox').getProperty('value'));
            settings.set('limit_utp_rate', $('limit_utp_rate_checkbox').getProperty('checked'));
            settings.set('limit_tcp_overhead', $('limit_tcp_overhead_checkbox').getProperty('checked'));
            settings.set('limit_lan_peers', $('limit_lan_peers_checkbox').getProperty('checked'));

            // Scheduler
            const scheduling_enabled = $('limitSchedulingCheckbox').getProperty('checked');
            settings.set('scheduler_enabled', scheduling_enabled);
            if (scheduling_enabled) {
                settings.set('schedule_from_hour', $('schedule_from_hour').getProperty('value').toInt());
                settings.set('schedule_from_min', $('schedule_from_min').getProperty('value').toInt());
                settings.set('schedule_to_hour', $('schedule_to_hour').getProperty('value').toInt());
                settings.set('schedule_to_min', $('schedule_to_min').getProperty('value').toInt());
                settings.set('scheduler_days', $('schedule_freq_select').getProperty('value').toInt());
            }

            // Bittorrent tab
            // Privacy
            settings.set('dht', $('dht_checkbox').getProperty('checked'));
            settings.set('pex', $('pex_checkbox').getProperty('checked'));
            settings.set('lsd', $('lsd_checkbox').getProperty('checked'));
            settings.set('encryption', $('encryption_select').getSelected()[0].getProperty('value'));
            settings.set('anonymous_mode', $('anonymous_mode_checkbox').getProperty('checked'));

            settings.set('max_active_checking_torrents', $('maxActiveCheckingTorrents').getProperty('value'));

            // Torrent Queueing
            settings.set('queueing_enabled', $('queueing_checkbox').getProperty('checked'));
            if ($('queueing_checkbox').getProperty('checked')) {
                const max_active_downloads = $('max_active_dl_value').getProperty('value').toInt();
                if (isNaN(max_active_downloads) || max_active_downloads < -1) {
                    alert("Maximum active downloads must be greater than -1.");
                    return;
                }
                settings.set('max_active_downloads', max_active_downloads);
                const max_active_uploads = $('max_active_up_value').getProperty('value').toInt();
                if (isNaN(max_active_uploads) || max_active_uploads < -1) {
                    alert("Maximum active uploads must be greater than -1.");
                    return;
                }
                settings.set('max_active_uploads', max_active_uploads);
                const max_active_torrents = $('max_active_to_value').getProperty('value').toInt();
                if (isNaN(max_active_torrents) || max_active_torrents < -1) {
                    alert("Maximum active torrents must be greater than -1.");
                    return;
                }
                settings.set('max_active_torrents', max_active_torrents);
                settings.set('dont_count_slow_torrents', $('dont_count_slow_torrents_checkbox').getProperty('checked'));
                const dl_rate_threshold = $('dl_rate_threshold').getProperty('value').toInt();
                if (isNaN(dl_rate_threshold) || (dl_rate_threshold < 1)) {
                    alert("Download rate threshold must be greater than 0.");
                    return;
                }
                settings.set('slow_torrent_dl_rate_threshold', dl_rate_threshold);
                const ul_rate_threshold = $('ul_rate_threshold').getProperty('value').toInt();
                if (isNaN(ul_rate_threshold) || (ul_rate_threshold < 1)) {
                    alert("Upload rate threshold must be greater than 0.");
                    return;
                }
                settings.set('slow_torrent_ul_rate_threshold', ul_rate_threshold);
                const torrent_inactive_timer = $('torrent_inactive_timer').getProperty('value').toInt();
                if (isNaN(torrent_inactive_timer) || (torrent_inactive_timer < 1)) {
                    alert("Torrent inactivity timer must be greater than 0.");
                    return;
                }
                settings.set('slow_torrent_inactive_timer', torrent_inactive_timer);
            }

            // Share Ratio Limiting
            let max_ratio = -1;
            if ($('max_ratio_checkbox').getProperty('checked')) {
                max_ratio = $('max_ratio_value').getProperty('value').toFloat();
                if (isNaN(max_ratio) || (max_ratio < 0) || (max_ratio > 9998)) {
                    alert("Share ratio limit must be between 0 and 9998.");
                    return;
                }
            }
            settings.set('max_ratio_enabled', $('max_ratio_checkbox').getProperty('checked'));
            settings.set('max_ratio', max_ratio);

            let max_seeding_time = -1;
            if ($('max_seeding_time_checkbox').getProperty('checked')) {
                max_seeding_time = $('max_seeding_time_value').getProperty('value').toInt();
                if (isNaN(max_seeding_time) || (max_seeding_time < 0) || (max_seeding_time > 525600)) {
                    alert("Seeding time limit must be between 0 and 525600 minutes.");
                    return;
                }
            }
            settings.set('max_seeding_time_enabled', $('max_seeding_time_checkbox').getProperty('checked'));
            settings.set('max_seeding_time', max_seeding_time);
            settings.set('max_ratio_act', $('max_ratio_act').getProperty('value').toInt());

            // Add trackers
            settings.set('add_trackers_enabled', $('add_trackers_checkbox').getProperty('checked'));
            settings.set('add_trackers', $('add_trackers_textarea').getProperty('value'));

            // RSS Tab
            settings.set('rss_processing_enabled', $('enable_fetching_rss_feeds_checkbox').getProperty('checked'));
            settings.set('rss_refresh_interval', $('feed_refresh_interval').getProperty('value'));
            settings.set('rss_max_articles_per_feed', $('maximum_article_number').getProperty('value'));
            settings.set('rss_auto_downloading_enabled', $('enable_auto_downloading_rss_torrents_checkbox').getProperty('checked'));
            settings.set('rss_download_repack_proper_episodes', $('downlock_repack_proper_episodes').getProperty('checked'));
            settings.set('rss_smart_episode_filters', $('rss_filter_textarea').getProperty('value'));

            // Web UI tab
            // Language
            settings.set('locale', $('locale_select').getProperty('value'));
            settings.set('performance_warning', $('performanceWarning').getProperty('checked'));

            // HTTP Server
            settings.set('web_ui_domain_list', $('webui_domain_textarea').getProperty('value'));
            const web_ui_address = $('webui_address_value').getProperty('value').toString();
            const web_ui_port = $('webui_port_value').getProperty('value').toInt();
            if (isNaN(web_ui_port) || web_ui_port < 1 || web_ui_port > 65535) {
                alert("The port used for the Web UI must be between 1 and 65535.");
                return;
            }
            settings.set('web_ui_address', web_ui_address);
            settings.set('web_ui_port', web_ui_port);
            settings.set('web_ui_upnp', $('webui_upnp_checkbox').getProperty('checked'));

            const useHTTPS = $('use_https_checkbox').getProperty('checked');
            settings.set('use_https', useHTTPS);

            const httpsCertificate = $('ssl_cert_text').getProperty('value');
            settings.set('web_ui_https_cert_path', httpsCertificate);
            if (useHTTPS && (httpsCertificate.length === 0)) {
                alert("HTTPS certificate should not be empty");
                return;
            }

            const httpsKey = $('ssl_key_text').getProperty('value');
            settings.set('web_ui_https_key_path', httpsKey);
            if (useHTTPS && (httpsKey.length === 0)) {
                alert("HTTPS key should not be empty");
                return;
            }

            // Authentication
            const web_ui_username = $('webui_username_text').getProperty('value');
            if (web_ui_username.length < 3) {
                alert("The Web UI username must be at least 3 characters long.");
                return;
            }
            const web_ui_password = $('webui_password_text').getProperty('value');
            if ((0 < web_ui_password.length) && (web_ui_password.length < 6)) {
                alert("The Web UI password must be at least 6 characters long.");
                return;
            }

            settings.set('web_ui_username', web_ui_username);
            if (web_ui_password.length > 0)
                settings.set('web_ui_password', web_ui_password);
            settings.set('bypass_local_auth', $('bypass_local_auth_checkbox').getProperty('checked'));
            settings.set('bypass_auth_subnet_whitelist_enabled', $('bypass_auth_subnet_whitelist_checkbox').getProperty('checked'));
            settings.set('bypass_auth_subnet_whitelist', $('bypass_auth_subnet_whitelist_textarea').getProperty('value'));
            settings.set('web_ui_max_auth_fail_count', $('webUIMaxAuthFailCountInput').getProperty('value'));
            settings.set('web_ui_ban_duration', $('webUIBanDurationInput').getProperty('value'));
            settings.set('web_ui_session_timeout', $('webUISessionTimeoutInput').getProperty('value'));

            // Use alternative Web UI
            const alternative_webui_enabled = $('use_alt_webui_checkbox').getProperty('checked');
            const webui_files_location_textarea = $('webui_files_location_textarea').getProperty('value');
            if (alternative_webui_enabled && (webui_files_location_textarea.trim() === "")) {
                alert("The alternative Web UI files location cannot be blank.");
                return;
            }
            settings.set('alternative_webui_enabled', alternative_webui_enabled);
            settings.set('alternative_webui_path', webui_files_location_textarea);

            // Security
            settings.set('web_ui_clickjacking_protection_enabled', $('clickjacking_protection_checkbox').getProperty('checked'));
            settings.set('web_ui_csrf_protection_enabled', $('csrf_protection_checkbox').getProperty('checked'));
            settings.set('web_ui_secure_cookie_enabled', $('secureCookieCheckbox').getProperty('checked'));
            settings.set('web_ui_host_header_validation_enabled', $('host_header_validation_checkbox').getProperty('checked'));

            // Custom HTTP headers
            settings.set('web_ui_use_custom_http_headers_enabled', $('webUIUseCustomHTTPHeadersCheckbox').getProperty('checked'));
            settings.set('web_ui_custom_http_headers', $('webUICustomHTTPHeadersTextarea').getProperty('value'));

            // Reverse Proxy
            settings.set('web_ui_reverse_proxy_enabled', $('webUIReverseProxySupportCheckbox').getProperty('checked'));
            settings.set('web_ui_reverse_proxies_list', $('webUIReverseProxiesListTextarea').getProperty('value'));

            // Update my dynamic domain name
            settings.set('dyndns_enabled', $('use_dyndns_checkbox').getProperty('checked'));
            settings.set('dyndns_service', $('dyndns_select').getProperty('value'));
            settings.set('dyndns_domain', $('dyndns_domain_text').getProperty('value'));
            settings.set('dyndns_username', $('dyndns_username_text').getProperty('value'));
            settings.set('dyndns_password', $('dyndns_password_text').getProperty('value'));

            // Update advanced settings
            // qBittorrent section
            settings.set('memory_working_set_limit', $('memoryWorkingSetLimit').getProperty('value'));
            settings.set('current_network_interface', $('networkInterface').getProperty('value'));
            settings.set('current_interface_address', $('optionalIPAddressToBind').getProperty('value'));
            settings.set('save_resume_data_interval', $('saveResumeDataInterval').getProperty('value'));
            settings.set('recheck_completed_torrents', $('recheckTorrentsOnCompletion').getProperty('checked'));
            settings.set('refresh_interval', $('refreshInterval').getProperty('value'));
            settings.set('resolve_peer_countries', $('resolvePeerCountries').getProperty('checked'));
            settings.set('reannounce_when_address_changed', $('reannounceWhenAddressChanged').getProperty('checked'));

            // libtorrent section
            settings.set('async_io_threads', $('asyncIOThreads').getProperty('value'));
            settings.set('hashing_threads', $('hashingThreads').getProperty('value'));
            settings.set('file_pool_size', $('filePoolSize').getProperty('value'));
            settings.set('checking_memory_use', $('outstandMemoryWhenCheckingTorrents').getProperty('value'));
            settings.set('disk_cache', $('diskCache').getProperty('value'));
            settings.set('disk_cache_ttl', $('diskCacheExpiryInterval').getProperty('value'));
            settings.set('disk_queue_size', ($('diskQueueSize').getProperty('value') * 1024));
            settings.set('disk_io_type', $('diskIOType').getProperty('value'));
            settings.set('disk_io_read_mode', $('diskIOReadMode').getProperty('value'));
            settings.set('disk_io_write_mode', $('diskIOWriteMode').getProperty('value'));
            settings.set('enable_coalesce_read_write', $('coalesceReadsAndWrites').getProperty('checked'));
            settings.set('enable_piece_extent_affinity', $('pieceExtentAffinity').getProperty('checked'));
            settings.set('enable_upload_suggestions', $('sendUploadPieceSuggestions').getProperty('checked'));
            settings.set('send_buffer_watermark', $('sendBufferWatermark').getProperty('value'));
            settings.set('send_buffer_low_watermark', $('sendBufferLowWatermark').getProperty('value'));
            settings.set('send_buffer_watermark_factor', $('sendBufferWatermarkFactor').getProperty('value'));
            settings.set('connection_speed', $('connectionSpeed').getProperty('value'));
            settings.set('socket_backlog_size', $('socketBacklogSize').getProperty('value'));
            settings.set('outgoing_ports_min', $('outgoingPortsMin').getProperty('value'));
            settings.set('outgoing_ports_max', $('outgoingPortsMax').getProperty('value'));
            settings.set('upnp_lease_duration', $('UPnPLeaseDuration').getProperty('value'));
            settings.set('peer_tos', $('peerToS').getProperty('value'));
            settings.set('utp_tcp_mixed_mode', $('utpTCPMixedModeAlgorithm').getProperty('value'));
            settings.set('idn_support_enabled', $('IDNSupportCheckbox').getProperty('checked'));
            settings.set('enable_multi_connections_from_same_ip', $('allowMultipleConnectionsFromTheSameIPAddress').getProperty('checked'));
            settings.set('validate_https_tracker_certificate', $('validateHTTPSTrackerCertificate').getProperty('checked'));
            settings.set('ssrf_mitigation', $('mitigateSSRF').getProperty('checked'));
            settings.set('block_peers_on_privileged_ports', $('blockPeersOnPrivilegedPorts').getProperty('checked'));
            settings.set('enable_embedded_tracker', $('enableEmbeddedTracker').getProperty('checked'));
            settings.set('embedded_tracker_port', $('embeddedTrackerPort').getProperty('value'));
            settings.set('embedded_tracker_port_forwarding', $('embeddedTrackerPortForwarding').getProperty('checked'));
            settings.set('upload_slots_behavior', $('uploadSlotsBehavior').getProperty('value'));
            settings.set('upload_choking_algorithm', $('uploadChokingAlgorithm').getProperty('value'));
            settings.set('announce_to_all_trackers', $('announceAllTrackers').getProperty('checked'));
            settings.set('announce_to_all_tiers', $('announceAllTiers').getProperty('checked'));
            settings.set('announce_ip', $('announceIP').getProperty('value'));
            settings.set('max_concurrent_http_announces', $('maxConcurrentHTTPAnnounces').getProperty('value'));
            settings.set('stop_tracker_timeout', $('stopTrackerTimeout').getProperty('value'));
            settings.set('peer_turnover', $('peerTurnover').getProperty('value'));
            settings.set('peer_turnover_cutoff', $('peerTurnoverCutoff').getProperty('value'));
            settings.set('peer_turnover_interval', $('peerTurnoverInterval').getProperty('value'));
            settings.set('request_queue_size', $('requestQueueSize').getProperty('value'));

            // Send it to qBT
            const json_str = JSON.encode(settings);

            new Request({
                url: 'api/v2/app/setPreferences',
                method: 'post',
                data: {
                    'json': json_str,
                },
                onFailure: function() {
                    alert("Unable to save program preferences, qBittorrent is probably unreachable.");
                    window.parent.closeWindows();
                },
                onSuccess: function() {
                    // Close window
                    window.parent.location.reload();
                    window.parent.closeWindows();
                }
            }).send();
        };

        $('networkInterface').addEvent('change', function() {
            updateInterfaceAddresses($(this).getProperty('value'), '');
        });

        loadPreferences();

        return exports();
    })();

    Object.freeze(window.qBittorrent.Preferences);
</script>