Open a web browser like internet explorer or Netscape. Enter the ip address of your router in the address bar of your browser. In the picture above the address bar has
http://www.google.com in it. Just replace all of that with the ip address of your router. By default the ip address should be set to 192.168.1.1.
You should see a box prompting you for your username and password. Enter your username and password now. By default the username is admin, and the password is admin. Click the Ok button to log in to your router.
Click the Advanced button near the top of the page.
Click the NAT link near the left of the page.
You should now see a new menu. In this new menu, click Virtual Server.
Click the Add button near the bottom of the page
We will list a series of lines here that will show you exactly how to forward the ports you need to forward. Counter Strike requires you to forward the 1200,27000-27015,27020-27039 ports. Go ahead and enter the settings shown above into the Virtual Server menu and then click Apply.
1)
Customized Service : Cs
Protocol : UDP
External Port : 27020
Internal Port : 27020
Internal Server IP Address : Your Ip ( Ex: 192.168.1.2)
OR
2)
Customized Service : Cs
Protocol : UDP
External Port : 27021
Internal Port : 27021
Internal Server IP Address : Your Ip ( Ex: 192.168.1.2)
OR
3)
Customized Service : Cs
Protocol : UDP
External Port : 27000
Internal Port : 27000
Internal Server IP Address : Your Ip ( Ex: 192.168.1.2)
And that is it! You are done!
To test if your port has been properly forwarded, you can use our
Port Checker Tool