Re: [squid-users] WCCP load balancing and TPROXY fully transparent interception

From: Henrik Nordstrom <henrik_at_henriknordstrom.net>
Date: Wed, 05 Nov 2008 10:27:31 +0100

On mån, 2008-11-03 at 16:57 +0800, Bin Liu wrote:
> Hi,
>
> I'm going to deploy multiple squid servers in a ISP for HTTP traffic
> caching. I'm now considering using WCCP for load balancing and TPROXY
> for fully transparent interception.
>
> Here is the problem. As far as I know, Cisco WCCP module does not
> maintain connection status, it just redirect packets based on their IP
> addresses and ports. I'm just wondering if it's possible that one
> squid server(squid A, for example) sends a outbound request, but the
> router redirects the corresponding inbound response to another
> squid(squid B)? Then that's totally messed.

The redirection in both directions must match for this to work. See the
wiki for a configuration example

http://wiki.squid-cache.org/ConfigExamples/FullyTransparentWithTPROXY

Regards
Henrik

Received on Wed Nov 05 2008 - 09:27:40 MST

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