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DNS(): Cache NXDOMAIN

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This commit is contained in:
Michael Foster 2013-08-28 17:00:41 +10:00
parent 6ce78cb1a4
commit a7ac3339de
1 changed files with 2 additions and 2 deletions
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4
inc/functions.php
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@ -1940,7 +1940,7 @@ function DNS($host) {
global $config; global $config;
if ($config['cache']['enabled'] && ($ip_addr = cache::get('dns_' . $host))) { if ($config['cache']['enabled'] && ($ip_addr = cache::get('dns_' . $host))) {
return $ip_addr; return $ip_addr != '?' ? $ip_addr : false;
} }
if (!$config['dns_system']) { if (!$config['dns_system']) {
@ -1956,7 +1956,7 @@ function DNS($host) {
} }
if ($config['cache']['enabled']) if ($config['cache']['enabled'])
cache::set('dns_' . $host, $ip_addr, 3600); cache::set('dns_' . $host, $ip_addr !== false ? $ip_addr : '?', 3600);
return $ip_addr; return $ip_addr;
} }