QUOTE: <? //Ban Proxy for all soft. $ipinfo = new IpInfo(); $ipinfo->banProxy(true); //false 时,屏蔽超级匿名的代理 class IpInfo { // (c) KINPOO var $clientIp; var $proxy; var $proxyIp;
function IpInfo() { $this->getIp(); $this->checkProxy(); } function banProxy($banAll = true) { if (!$this->proxy) { return; } if ($banAll == true) { die('Forbidden:Proxy Connection'); } else { if ($this->clientIp == $this->proxyIp) { die('Forbidden:High Anonymous Proxy Connection'); } } } function checkProxy() { if (isset($_SERVER['HTTP_X_FORWARDED_FOR']) || isset($_SERVER['HTTP_VIA']) || isset($_SERVER['HTTP_PROXY_CONNECTION']) || isset($_SERVER['HTTP_USER_AGENT_VIA']) || isset($_SERVER['HTTP_CACHE_CONTROL']) || isset($_SERVER['HTTP_CACHE_INFO'])) { $this->proxy = true; $this->proxyIp = preg_replace("/^([{0-9}\.]+).*/", "[url=file://\\1]\\1[/url]", $_SERVER['REMOTE_ADDR']); return $this->proxy; } }
function getIp() { if (isset($_SERVER['HTTP_CLIENT_IP']) && $_SERVER['HTTP_CLIENT_IP']) { $ip = $_SERVER['HTTP_CLIENT_IP']; } elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR']) && $_SERVER['HTTP_X_FORWARDED_FOR']) { $ip = $_SERVER['HTTP_X_FORWARDED_FOR']; } else { $ip = $_SERVER['REMOTE_ADDR']; } $this->clientIp = preg_replace("/^([{0-9}\.]+).*/", "[url=file://\\1]\\1[/url]", $ip); return $this->clientIp; } } ?>
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