[CentOS] can I use CentOS as a antivirus / spam filter / HTTP AV gateway?

[Rudi Ahlers]

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.
> _______________________________________________

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
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