-----Original Message----- From: Goldsmith, Dave Sent: Monday, January 03, 2000 9:46 PM To: 'Randy Witlicki' Subject: RE: Firewalls, PC static routes, gateways The PIXes (PIXs, PIXii, hmm, what is the plural?) do not do redirects. One alternative would be to set all of the machines default gateway to be the "other" gateway and have that device call out specific routes for the networks behind it and then end with a default route that redirects all other traffic to the PIX. What is your other gateway device and can it do redirects? Another alternative would be to toss an inexpensive router inline with three interfaces: 1 to the firewall (outbound traffic) 1 to the other gateway 1 to the inner network (with all your Win9x/NT boxes) R/S Dave Goldsmith goldsdat_private -----Original Message----- From: Randy Witlicki [mailto:randy.witlickiat_private] Sent: Sunday, January 02, 2000 6:44 PM To: firewall-wizardsat_private Subject: Firewalls, PC static routes, gateways Hello, I'm wondering if anybody has come up with a reasonable solution to static routes for Windows 95/98/NT laptop users in networks with a firewall and *another* gateway. If we have a setup where: - The default route points to the firewall on the local network, and; - You need an additional route to point to a gateway for some private network (either via VPN or a private (leased line or frame relay) link). (e.g.: the route to 0.0.0.0 is 10.0.0.1 and the route to 172.16.0.0/16 is 10.0.0.2) Specific problems I have run into include: - With a PIX firewall, even you don't mind having packets bounce off the PIX inside interface, it won't let you. If you have a "route inside" statement, you get an error of the form: 106011: Deny inbound (No xlate) tcp src inside:X.X.X.X/1047 dst inside:Y.Y.Y.Y/23 Which is the PIX's way of saying it refuses to receive a packet on the inside interface and resend it to a gateway on the inside. So you need a route on each host inside. - If you have a "route add" in a startup .BAT file on a 95 or 98 PC or a "route add -p" on an NT PC, if it is a laptop and that laptop travels to the remote network the "route add" is pointing at, then you need a .BAT file to reverse the startup .BAT file. I assume you might have similar problems with a *nix laptop. Is there a way to get one of these systems to listen to RIP or something similar ? I think I can do this with DHCP, but at least one of the networks involved is very small and it would be nice to avoid having to to setup a DHCP server (and having one more server piece to depend on). Thanks in advance for any advice and help ! - Randy -
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