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Merge pull request #149 from bui/fcrdns

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add forward-confirmed reverse DNS
This commit is contained in:
Fredrick Brennan 2014-10-05 16:17:29 -04:00
commit 1f7090ff98
2 changed files with 10 additions and 1 deletions
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5
inc/config.php
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@ -66,7 +66,10 @@
// Use `host` via shell_exec() to lookup hostnames, avoiding query timeouts. May not work on your system.
// Requires safe_mode to be disabled.
$config['dns_system'] = false;
// Check validity of the reverse DNS of IP addresses. Highly recommended.
$config['fcrdns'] = true;
// When executing most command-line tools (such as `convert` for ImageMagick image processing), add this
// to the environment path (seperated by :).
$config['shell_path'] = '/usr/local/bin';

6
inc/functions.php
View File

@ -2267,6 +2267,12 @@ function rDNS($ip_addr) {
$host = $ip_addr;
}
$isip = filter_var($host, FILTER_VALIDATE_IP);
if ($config['fcrdns'] && !$isip && DNS($host) != $ip_addr) {
$host = $ip_addr;
}
if ($config['cache']['enabled'])
cache::set('rdns_' . $ip_addr, $host);