Php做的端口嗅探器--可以指定网站和端口

  <?

  //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>";

  }

  ?>