

How to do this depends on your router - there is a good guide to port forwarding at. If this is the case you will need to configure your router to forward connections to the computer where the server is running. It is common for modern broadband routers to use NAT to allow several machines on a home network to use a single public IP address.

You will need to disable this or to add a firewall exception for UDP port 2342.Īnother common problem is routers with NAT. If the other players are unable to connect to the server, it may be because there is firewalling software running on the server machine. When playing multiplayer, it is advisable to turn off any file sharing programs or downloads which may affect the connection. Note: The smoothness of the game depends on all players who are playing. Two players fighting in a deathmatch on Chocolate Doom. Once all players are present, click the "start game" button or press space bar to start the game. Once the server is started, you will be shown the waiting screen which lists all players currently connected. For example, if the server's public IP address is 1.2.3.4: Other players can then connect to your server using the -connect command line option. For example, to start a server for a deathmatch game:
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Start a multiplayer server by running with the -server command line option.

The website will allow you to find out your public address. Some broadband routers use NAT, so the IP address you see in your OS may not be the same as your public IP address. To run a Chocolate Doom server over the Internet, you need to know your public IP address. Ideally this should be someone on a high-bandwidth connection. One player must act as the server and host the game.
