<?
  //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);
 }
 return $data;
 }
 ?>
 <FORM>
 <INPUT TYPE=HIDDEN NAME=action VALUE=query>
 Site: <INPUT TYPE=TEXT NAME=server VALUE="<?echo $server?>"> <SMALL>(ie: www.wackowoh.com)</SMALL><BR>
 Port: <INPUT TYPE=TEXT NAME=port VALUE="80" SIZE="5" MAXLENGTH="5"><BR>
 <INPUT TYPE=SUBMIT VALUE=" OK ">
 </FORM>
 <?
 if($action == "query") {
 $data = http_request($server, $port);
 echo "Connected To $server on port $port.<p>";
 echo "Output: <p><pre>$data</pre><p>";
 }
 ?>