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Play Red Alert 3 (Bypass 6667/tcp Block)

Some ISP still blocking TCP Port 6667 which it use for IRC, however Red Alert 3 still use 6667/tcp functionality for Lobby chatting, to bypass such restriction, follow these steps:

Host File

Add these lines into your Operating System host file.


Ww are going to use IPv4 NAT/Proxy to Listen to Another Server at 6668


netsh interface portproxy add v4tov4 listenaddress= listenport=6667 connectaddress= connectport=6668


sudo iptables -t nat -A PREROUTING -p tcp -d --dport 6667 -j DNAT --to-destination


Run this command (Windows PowerShell):

Test-NetConnection -port 6667

Make sure you have TcpTestSucceeded : True then you can enjoy the online game!

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