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The most basic Tcp/IP program

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All the programs I make for networking never work when I have a firewall on, but MSN does because the firewall prompts to allow the msn .exe file access to broadcast. Could someone show me the simplest sourcecode (possibly C#) for a say chat client that _will_ work with a firewall on.

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The program itself won''t generally have anything to do with the firewall. MSN will use the same basic port/socket setup that any other program does. I wonder if your firewall has some sort of built-in MSN detection. I doubt it actually ''broadcasts'' though, although maybe you weren''t using the term in the same way I am.

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