Re: [squid-users] Performance of antivirus proxy solutions?

* Peter Olsson <pol@leissner.se>:

> We have about 5000 users which use squid as proxy towards Internet.
> We run four separate squid servers at different locations, for
> load balancing and redundancy. The peak load on these four servers
> is about 5 Mbps each, and the average load during office hours is
> about 3-4 Mbps each. The size of the squid caches vary depending on
> hardware in the proxy servers, from 10 GB to 40 GB.

We have 3 servers, each with about 80-100 connections/s

> We now want to add antivirus to the solution. We use clamav for
> email antivirus, so we are thinking about clamav for proxy
> antivirus also. But what should we use to activate the virus
> scan, that won't make a big impact on the performance?
> The solution must also be stable.

We use dansguardian

> We have also looked at DansGuardian and SafeSquid, but we haven't
> setup tests with them yet. Has anyone got load/performance opinions
> on these, related to our demands?

Danguardian increase the latency from 40m to about 70m.

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