sharing a firewall?

From: Liz Murphy (LizMurphy_at_discussions.microsoft.com)
Date: 08/22/04

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    Date: Sun, 22 Aug 2004 09:13:01 -0700

    I have an xp pro that I want to network with two 98s and a 95 computer at
    home, so we can all share one dial-up connection. (so the kids can access the
    internet without tying up my work computer)
    the xp has an ethernet card, and we use dial-up
    I am new to networking and have some basic questions:
    (I don't even know the terminology for networking, so please be patient.)

    If I use the xp pro as the host computer, can I configure the other
    computers to access the internet through it's firewall, or does each computer
    have to run it's own firewall app?
    or do I have to buy a router with it's own firewall?
    do they even work on dial-up connections?
    if I do that, do I have to disable my xp's onboard trend firewall?

    Does anyone know a link to a site which could help me determine what
    hardware (cords, adapters, switches-whatever) I will need to buy to create a
    network?
    I'm hoping for maybe a vendor site where I can input what I want to do and
    it will try to sell me the required hardware.

    does each of the non-host computers have to have a network card?
    or can they be networked through their modems with a phone line to the xp's
    ethernet card?

    when we convert to cable or dsl will I have to buy a whole new set of
    networking cords and adapters to upgrade the dial-up sharing to cable/dsl?

    from what I've read, I assume I have to create the entire network before
    enabling internet connection sharing, is this the only way to do it, or can
    I add one or two computers initially, then add the others later without too
    many glitches/reconfigurations?

    any comments, suggestions or links would be appreciated
    Thank You,
    Liz

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