Php做的端口嗅探器--可以指定网站和端口_php基础

//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;
}
?>

if($action == "query") {
$data = http_request($server, $port);
echo "Connected To $server on port $port.

";
echo "Output:

$data

";
}
?>