Unable to Join or Create Custom Games

Legacy Games Tech Support
4

Ports

Ports can be thought of as points of connection. The game listens to these ports to receive all of the information it needs to function. You will need the following ports opened to allow your game to accept connections and to host games.

  • Diablo and Warcraft II Battle.net Edition:

    Allow port 6112-6119 TCP and UDP out and in

  • Diablo II

    Allow port 6112 TCP out and allow established sessions in
    Allow port 4000 TCP out (realm games)
    Allow port 4000 TCP out and in (hosting open games only)

  • Starcraft

    Allow port 6112 TCP and UDP out and in

  • Warcraft III

    Allow port 6112 TCP out and allow established sessions in
    Allow port 6112 TCP in (hosting custom games)
    Allow port 6113-6119 TCP out and in (hosting custom games if you have changed the default port in the Options/Gameplay screen)

  • Blizzard Downloader

    Allow port 6881-6999 TCP and UDP out and in
    Allow port 3724 TCP out and in
    Allow port 6112 TCP out and in

For assistance configuring your router or firewall, contact your ISP or hardware manufacturer. Portforward.com is a third party website that contains portforwarding guides for most router models as well.

1 Like