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I'm running my leenux box as an internet gateway for a couple of windows machines connected on my LAN. Is there a gateway antivirus (perimeter AV) available for linux that will scan network traffic for virus signatures??. I have norton and avg running on all the windows boxes as a machine/client side AV but i guess one can never be too paranoid.
I don't know if that's a practical solution, but I could be wrong. I think it's better if you have strict firewall rules, like only allowing in (and out) the traffic you know you need. The other thing that helps with Windows worms is redirecting traffic to common services, like redirecting web server traffic from port 80 to something in a higher range (which will eliminate 90% of the crud you see in your web server logs ...worms looking for IIS vulnerabilities and/or that annoying WebDAV exploit that fills up httpd logs). If you have strict firewall rules and up to date virus defs on your Windows boxen (and a good policy about opening attachments) you should be pretty safe from virii.
Distribution: OpenBSD 4.6, OS X 10.6.2, CentOS 4 & 5
Posts: 3,660
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I'm not aware of any Linux AV products that can scan data streams, all the Linux AV that I know of is for scanning local file system and e-mail messages.
Symmantec and Fortinet (among others) make commercial firewalls that have some AV scanning capabilities, but even an entry-level unit would cost thousands of dollars.
thanks for the reply peeps. I was looking at something along the lines of Trend Micro InterScan VirusWall for Linux, but one that doesnt involve the kind of $$$ coz am on a really tight budget and really demanding (not to mention extremely ignoramous) users.
Anywayz thanks for the input, I'll continue my search for a suitable product and if by luck i find one....i'll post my findings here.
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