What is the difference between HTTP_CLIENT_IP and HTTP_X_FORWARDED_FOR

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What is the difference between HTTP_CLIENT_IP and HTTP_X_FORWARDED_FOR

What is the difference between HTTP_CLIENT_IP and HTTP_X_FORWARDED_FOR? it is impossible to say. Different proxies may implement these, or may not. The implementations may vary from one proxy to the next, and they may not. A lack of a standard breeds…

REMOTE_ADDR，HTTP_CLIENT_IP，HTTP_X_FORWARDED_FOR获取客户端IP

话不多说,先上代码: /** * 获得用户的真实IP地址 * * @access public * @return string */ function real_ip() { static $realip = NULL; if ($realip !== NULL) { return $realip; } if (isset($_SERVER)) { if (isset($_SERVER['HT…

[转]REMOTE_ADDR，HTTP_CLIENT_IP，HTTP_X_FORWARDED_FOR

午睡一觉醒来,突然想伪造IP地址.搜了一下,Mark. 源地址:http://www.cnblogs.com/lmule/archive/2010/10/15/1852020.html ----------------------------------------------------------------------------------------------------------------------------------------------------------- 看…

PHP获得真实客户端的真实IP REMOTE_ADDR，HTTP_CLIENT_IP，HTTP_X_FORWARDED_FOR

REMOTE_ADDR 是你的客户端跟你的服务器“握手”时候的IP.如果使用了“匿名代理”,REMOTE_ADDR将显示代理服务器的IP. HTTP_CLIENT_IP 是代理服务器发送的HTTP头.如果是“超级匿名代理”,则返回none值.同样,REMOTE_ADDR也会被替换为这个代理服务器的IP.$_SERVER['REMOTE_ADDR']; //访问端(有可能是用户,有可能是代理的)IP$_SERVER['HTTP_CLIENT_IP']; //代理端的(有可能存在,可伪造)$_SER…

PHP获得真实客户端的真实时用到的IP REMOTE_ADDR，HTTP_CLIENT_IP，HTTP_X_FORWARDED_FOR

REMOTE_ADDR 是你的客户端跟你的服务器“握手”时候的IP.如果使用了“匿名代理”,REMOTE_ADDR将显示代理服务器的IP. HTTP_CLIENT_IP 是代理服务器发送的HTTP头.如果是“超级匿名代理”,则返回none值.同样,REMOTE_ADDR也会被替换为这个代理服务器的IP.$_SERVER['REMOTE_ADDR']; //访问端(有可能是用户,有可能是代理的)IP$_SERVER['HTTP_CLIENT_IP']; //代理端的(有可能存在,可伪造)$_SER…

详解REMOTE_ADDR，HTTP_CLIENT_IP，HTTP_X_FORWARDED_FOR

转载自:http://www.cnblogs.com/lmule/archive/2010/10/15/1852020.html 看ecshop的lib_base.php的时候里面获取客户端真实ip的函数(real_ip),有许多情况的判断,主要判断客户端是否使用代理的情况,注意判断顺序,先判断客户端是否使用代理HTTP_X_FORWARDED_FOR 还是把源码附上吧 <?php /** * 获得用户的真实IP地址 * * @access public * @return string *…

PHP获得真实客户端的真实IP REMOTE_ADDR，HTTP_CLIENT_IP，HTTP_X_FORWARDED_FOR[]转载

REMOTE_ADDR 是你的客户端跟你的服务器“握手”时候的IP.如果使用了“匿名代理”,REMOTE_ADDR将显示代理服务器的IP. HTTP_CLIENT_IP 是代理服务器发送的HTTP头.如果是“超级匿名代理”,则返回none值.同样,REMOTE_ADDR也会被替换为这个代理服务器的IP.$_SERVER['REMOTE_ADDR']; //访问端(有可能是用户,有可能是代理的)IP$_SERVER['HTTP_CLIENT_IP']; //代理端的(有可能存在,可伪造)$_SER…