port_scanner.php

woff

1. <?php
   
2. ini_set('max_execution_time', 0);
   
3. ini_set('memory_limit', -1);
   
4. 
   
5. $host = 'google.com';
   
6. $ports = array(21, 25, 80, 81, 110, 143, 443, 587, 2525, 3306);
   
7. 
   
8. foreach ($ports as $port){
   
9.     $connection = @fsockopen($host, $port, $errno, $errstr, 2);
   
10.     if (is_resource($connection)){
    
11.         echo '<h2>' . $host . ':' . $port . ' ' . '(' . getservbyport($port, 'tcp') . ') is open.</h2>' . "\n";
    
12.         fclose($connection);
    
13.     } else{
    
14.         echo '<h2>' . $host . ':' . $port . ' is not responding.</h2>' . "\n";
    
15.     }
    
16. }

複製代碼

文章出處
https://gist.github.com/akalongman/b50bc11a9303adb6f2db