⏲️ Estimated reading time: 2 min
How to Open Ports for Counter-Strike: Global Offensive (CS:GO) on Windows. Struggling with connection or lag issues in CS:GO? Learn how to open ports on your Windows PC to improve performance, reduce latency, and ensure smooth gameplay when hosting or joining matches.

Why Open Ports for Counter-Strike?
Opening specific ports for CS:GO helps bypass firewall restrictions and ensures stable connections between your PC and game servers. This is especially useful if you’re hosting matches or using third-party services like community servers.
Required Ports for Counter-Strike
Make sure these ports are forwarded on your router:
- TCP: 27015–27030, 27036–27037
- UDP: 4380, 27000–27031, 27036
These ports allow both game traffic and Steam services to function properly.
Step-by-Step: How to Open Ports for Counter-Strike on Windows
1. Find Your Local IP Address
- Press
Windows + R
, typecmd
, and press Enter. - Type
ipconfig
and look for your IPv4 Address under your active network.
2. Access Your Router Settings
- Enter your default gateway (e.g.,
192.168.1.1
) in a browser. - Log in using your router’s credentials.
3. Navigate to Port Forwarding Section
- Usually under Advanced, NAT, or Firewall settings.
- Add new entries with the CS:GO ports listed above.
4. Save and Reboot
- Save changes and reboot your router.
- Restart your PC and launch CS:GO.

Bonus: Allow CS:GO Through Windows Firewall
- Go to Control Panel > System and Security > Windows Defender Firewall.
- Click Allow an app through firewall.
- Ensure CS:GO and Steam are checked for both Private and Public networks.
Final Tips
- Use a static IP for your PC to keep port forwarding settings consistent.
- Double-check for typos in IP addresses and port ranges.
- Test using tools like PortChecker or in-game connectivity.
Tags: csgo ports, open ports windows, csgo connection fix, port forwarding csgo, csgo firewall settings, steam ports, how to port forward, csgo lag fix, windows 10 network, csgo online fix
Only logged-in users can submit reports.
Discover more from HelpZone
Subscribe to get the latest posts sent to your email.