Re: can I use CentOS as a antivirus / spam filter / HTTP AV gateway?

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John R Pierce wrote:
Rudi Ahlers wrote:
Hi all

I've been thinking about using CentOS on a Dell R200 server and turn it into a firewall / network monitor / traffic shaper in our datacentre, instead of using a dedicated firewall device.

One of the devices that I have been looking at, with my limited budget, is the D-Link DFL 860 - http://www.netdefend.eu/Product.aspx?m=15&ref=DFL-860

It provides AV, SPI, VPN, DOS, P2P, etc protection. Most of this can be done with Linux as well, but I'm not 100% sure about the AV part.

How will I use / setup CentOS to check all traffic coming in & out (HTTP, SMTP, POP3, IMAP, etc) for virusses and clean them? We host both Windows & Linux servers, and I'm not too worried about the Linux servers, but Windows needs a lot of extra protection.


well, pop/imap shouldn't need any virus scanning, that would be handled at the SMTP transfer layer, by something like MailScanner + ClamAV (I've used this combination), or spamassassin+clamav, and others.

http virus scanning can be done by using Squid as a transparent web proxy agent and squid plugins. I've never attempted this myself, so I can't give you the exact recipe.
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I'm actually looking todo this on the network layer, rather than the software layer. Is this possible with Linux?

--

Kind Regards
Rudi Ahlers
CEO, SoftDux

Web:   http://www.SoftDux.com
Check out my technical blog, http://blog.softdux.com for Linux or other technical stuff, or visit http://www.WebHostingTalk.co.za for Web Hosting stuff

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