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From: James Renfrew (GeneralJamesRenfrew.COM)
Date: Wed Aug 22 2001 - 21:01:01 CDT

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            I have just rolled out my Win2K server, with a setup that was based off my
    NT4 server. Everything went pretty well the same except for the network
    properties for my servers interfaces.

    I had port filtering enabled on my NT4 system and I see the Windows 2K
    server has the same window. However I have found that after enabling port
    filtering and setting it to deny all, except for the ones I know I want ( 20
    / 21 / 25 / 80 / 110 ). However after implementing that a bunch of the
    services started crapping out on me and or started generating tons of
    errors.

    Can anyone who is also using port filtering tell me what settings they have
    used?

    As near as I can tell the NT4 system gets by it, by just looping back
    requests internally on the server. Where as the 2K system actually sends
    the request right to the level of the interface and then is looped back as
    long as the port is available.

    One last thing too...
    I want to run netbeui on my LAN but NOT on the WAN interfaces. I see I can
    disable it by clearing the check mark on the interface services and protocol
    list. But I can not find a way to remove it totally without removing it
    from all of the interfaces on my server.

    By the way.. services I am running on this server include....

    WWW
    FTP
    SMTP -exch 5.5
    POP -exch 5.5
    NNTP -exch 5.5
    Netmeeting RDS
    Active Directory
    WINS

    Oh and yes a Half Life server too, but don't worry about that :)

    Thanking you in advance for your feed back.

    Regards
    James Renfrew
    www.jamesrenfrew.com