This article was previously published under Q323712
For a Microsoft Windows Millennium Edition version of this article, see 258604.
This article describes how to play Windows-based Internet games through a network firewall or proxy server. These games include Internet Backgammon, Internet Checkers, Internet Hearts, Internet Reversi, and Internet Spades.
To play Windows-based Internet games through a network firewall or proxy server, the following conditions must exist:
Your network administrator must configure the firewall or proxyserver to allow the games to pass information through the proxyserver or firewall.
The following TCP ports on the firewall must be open: