<? //Php做的端口嗅探器–可以指定网站和端口 //并返回嗅探结果 function http_request($server, $port) { $data = ""; $query = "HEAD / HTTP/1.0"; $fp = fsockopen($server, $port); if($fp) { fputs($fp, $query."rnn"); while(!feof($fp)) { $data .= fread($fp, 1000); } fclose($fp);