Re: sharing a firewall?
From: Liz Murphy (LizMurphy_at_discussions.microsoft.com)
Date: 08/22/04
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Date: Sun, 22 Aug 2004 14:49:02 -0700
Norman thank you for the thorough and thoughtful response!
I did repost this message on the XP networking net board with a different
title "firewall sharing/basic networking?", thank you for cross-posting it as
well, I'll subscribe to that thread, too.
Your reply includes the answers I've been looking for, specific and concise.
I guess this was the right board after all. LOL
Thanks again, and if I have any questions about your reply, I know where to
come.
*off to google a translation of your signature...
Liz
"N. Miller" wrote:
> In article <FF94B027-055B-41A8-A8CA-35D2DDB0147C@microsoft.com>, =?Utf-8?B?
> TGl6IE11cnBoeQ==?= says...
>
> In your follow up post you apologized for getting this sent to the wrong
> group. I have, hopefully, fixed that by a cross post with follow up to set.
> There were three networking groups to choose from; but I selected the
> Windows XP group because that is the computer you are considering running
> ICS on.
>
> > 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?
>
> Use a firewall application on each computer. If you use the XP as a host,
> you will wire an Ethernet adapter on the XP to a hub, or a switch. The
> prices are about the same, and the switch should provide better performance.
> You will have to set up ICS, sharing the modem adapter with the LAN.
>
> Also, if you enable "File and printer sharing for Microsoft Networks" on the
> XP, only bind it to the Ethernet adapter; do not bind "Client for Microsoft
> Networks" or "File and printer sharing for Microsoft Networks" to the modem!
> If you need more detail, just ask.
>
> > or do I have to buy a router with it's own firewall?
> > do they even work on dial-up connections?
>
> There are a few out there; I think D-Link has one. One of the pricier
> Netgear wireless firewall/routers appears to have one (FWG114P; would that
> they had done that on the FR114P!). And the SMC Barricade 7004ABR. It is the
> successor to the SMC Barricade 7004BR, which I used for two years; the
> difference seems to be that the BR has to be manually switched to dial-up
> mode while the ABR can be set to automatically switch in a 'fail-over' mode.
> Only a factor for people with HSI connections. You could just configure it
> to use a modem in your circumstance.
>
> > if I do that, do I have to disable my xp's onboard trend firewall?
>
> If you are going to run a third party software firewall application,
> disabling ICF might be a good idea; or not. I haven't played with such a
> combination, so I don't know what kind of conflicts that might cause.
>
> > 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?
>
> http://www.broadbandreports.com/
> http://www.practicallynetworked.com/
>
> > 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.
>
> For the SMC Barricade 7004BR:
> http://www.smc.com/ {First time visit should let you pick a region.}
>
> For the D-Link DI-707:
> http://www.dlink.com/products/?pid=64 {DI-707; has an RS-232 port.}
>
> For the Netgear FWG114P:
> http://www.netgear.com/products/prod_details.php?prodID=220&view=
>
> The SMC link will let you pick the region of the world where you are; I
> didn't take you directly to the Barricade 7004ABR because I don't know if it
> would jump there after asking for your region. Navigating to that product
> shouldn't be hard. The other two products have a DB-9 RS-232 port, according
> to the product descriptions; but the 7 port switch (D-Link) and wireless
> router (Netgear) probably make them a bit higher in price than the SMC
> Barricade 7004ABR. You will have to visit each site and make your own
> comparison. Maybe a Google search on "dial-up router" might turn up others.
> Or try "Asante"; they are an OEM source for the 7004BR, and maybe the
> 7004ABR as well.
>
> I've used the SMC Barricade 7004BR (not the ABR; which is newer, and a
> replacement), and the Netgear FR114P (which is not wireless, and does not
> have the RS-232 port, alas; but is otherwise identical, and a very nice unit
> with Stateful Packet Inspection (SPI) filters); both were easy to configure,
> and afford better than average options of most routers.
>
> > 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?
>
> Phoneline networking exists, but I don't know what equipment is required for
> PN-to-Ethernet conversion. Ethernet network adapters are cheap enough, and
> it would be easier to add them and a switch. If you actually decide to
> spring for one of those routers I mentioned, they have the RJ-45 ports to
> link up at least four computers (the D-Link will link up at least seven
> computers). If you need more ports than those devices have, you just add a
> switch; use a CAT 5 patch cord from one of the router ports to the uplink
> port of the switch.
>
> > 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?
>
> Not for the Ethernet adapters in each computer; those are the same
> regardless of the means of connecting to the Internet. If you obtain one of
> the routers I listed, the ones with the RS-232 port for a modem connection,
> the switch to HSI is just a switch from a serial cable between the router
> and the dial-up modem to a CAT 5 patch cord from the router to the cable/dsl
> modem. No new equipment at all.
>
> If you used ICS on the XP, you would disable ICS, and add a router; wiring
> all computers to the new router. If you used a switch with ICS first, the
> switch becomes an excess piece of equipment; unless you exceed the port
> capacity of the router. If you find one of the three routers with dial-up
> support worth the cost, it would be smart to pick one of those. In that way,
> you get to share your dial-up connection right now; and have nothing extra,
> but the cable/DSL modem, when you switch to HSI. The Netgear has the
> advantage of wireless connections, if you don't want to pull CAT 5
> throughout your house.
>
> > 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?
>
> You would only need to set up ICS once, and only if you don't want to spring
> for one of those dial-up supporting routers. You should be able to add
> additional computers without doing anything to the ICS computer; it should
> pick up the new computers without a hitch. Configuring the new computer
> properly can always be an adventure, though; even with a router instead of
> ICS.
>
> > any comments, suggestions or links would be appreciated
>
> I hope that you can find something useful in my comments. Personally, I
> would go with a router that has dial-up modem support if I were at the point
> that you are. Especially if you plan to upgrade to HSI any time soon. You
> will have the equipment, except for the cable/DSL modem, already at hand.
>
> --
> Norman
> ~Win dain a lotica, En vai tu ri, Si lo ta
> ~Fin dein a loluca, En dragu a sei lain
> ~Vi fa-ru les shutai am, En riga-lint
>
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