Paneli zaten kendim yaziyorum.
Bu benim rcon şifresi ve server değişme sayfamın source kodunun bir kısmı
Sende koy bakalım aynı mı ?

<?php



/*#####################################################################
	(C) 2010 ALL RIGHTS RESERVED BY OYUNKURUCUSU.COM
	
	@Script : OyunKurucusu.Com Counter Strike v1.6 Web Based Game Control Panel 
	@Author : Yunus @ OyunKurucusu
	@Web  	: http://oyunkurucusu.com | http://yns.linuxboyz.com
	@mail	: root@oyunkurucusu.com   | yns@linuxboyz.com
	@uri 	: http://panel.oyunkurucusu.com

	@Version 	: 1
	@Revision 	: 0
	@File	 	: srvrcon.php
	
	!IMPORTANT : THIS SCRIPT IS NOT FREE SOFTWARE !!!
	
######################################################################*/




error_reporting(~E_NOTICE);

	if(!defined('PAGE')): die('Direct Access Not Allowed !'); endif;
	
	$cs->setinfo($_SESSION['rconpass'], $_SESSION['ip']);
	$cs->connect();
	
	if(isset($_POST['srv_rcon_submit']))
	{
		if((isset($_POST['servername']) && isset($_POST['rconpass'])) && (!empty($_POST['servername']) && !empty($_POST['rconpass'])))
		{
		$cs->setinfo($_SESSION['rconpass'], $_SESSION['ip']);
			$_POST['servername'] = strip_tags($_POST['servername']);
			$_POST['rconpass'] = strip_tags($_POST['rconpass']);

			
			$cs->RconCommand('hostname "' . $_POST['servername'] . '"');
			$cs->RconCommand('rcon_password "' . $_POST['rconpass'] . '"');
			
			
			$db->sql("UPDATE server 
			SET rconpass = '".mysql_real_escape_string($_POST['rconpass'])."' , 
			name = '".mysql_real_escape_string($_POST['servername'])."' 
			WHERE ip = '".$_SESSION['ip']."'
			");
			$db->query();
			
			$_SESSION['rconpass'] = $_POST['rconpass'];
			$_SESSION['name'] 	  = $_POST['servername'];
			
			$i['hostname'] = $_POST['servername'];
			$i['rcon_password'] = $_POST['rconpass'];
			changeval($i , $files['serverconf']);
			
		}
	}

	$i['hostname'] = parser($cs->RconCommand('hostname'));
	$i['rconpass'] = parser($cs->RconCommand('rcon_password'));
	
	$cs->disconnect();