You could do this. Depending on how you want to set things up. You could nat all of your windows/mac machines behind the linux firewall, and then just set up your gentoo gnu/linux box to be an smtp forwarding agent that checks each email for viruses before forwarding it on to your smtp server. Although if you're using an outside smtp server, that's going to be a little trickier. With the firewall there is also the option of setting up a bridging firewall, this requires you to recompile your kernel with a patch from bridge.sf.net and then you'd want to read some of the bridging firewall howtos. the benefit of a bridging is that you can use all of the present IP addresses you currently have. the bridge is basically invisible, but it still blocks things. I've done both, and they both have their usefulness in certain situations. YMMV
Hope that's usefull -- Joel Brauer La Sierra University Programmer/Analyst 909-785-2308 -- this email is certified virus free! How? Because it didn't -- come from any Micro$oft based platform or product. GPG Public Key: http://www.lasierra.edu/~jbrauer/Joel-Brauer-gpg-Public.key
--- Begin Message ---Hi, The compagny i work for has a small test-network about 10 computers (windows, Macintosh) with a cable connection to the internet. Today the new Bugbear virus hit it. So now looking for a way to protect it, before it was not needit (wat could happen). Can i with Linux and Gentoo protect it? I could install a machine with two ethernet cards and iptables for intrusion, but what about scanning e-mails, and surfing can i use clamAV for it or do i ned other solutions? Patrick -- "The needs of the many outweigh the needs of the few." Captain Spock in Star Trek II: The Wrath of Khan PGP Key: http://users.pandora.be/rivendell/marquetp.gpg Fingerprint = 2792 057F C445 9486 F932 3AEA D3A3 1B0C 1059 273B Registered Linux User #44550 http://counter.li.org
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