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Re: squid behind ziproxy ?

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Michael Gale wrote:
Hello,

I guess I should of also asked if ziproxy could exist between the squid cache #1 system and squid cache #2 system.

I initially ruled this out ... I figured that when the squid servers talk to one another that it would not be HTTP. But I guess it could be ?

Anyways, any insight will be helpful.

Michael

Michael Gale wrote:
Hey,

We are currently using ziproxy (http://ziproxy.sourceforge.net/) in a transparent setup to compress (Gzip) the data between the requesting client and the end server. We also scale down requested images to conserve bandwidth.

Now we would like to implement a squid proxy to make use of it's cache. We are looking at a setup like the following:

Old setup:
Internet <--> ziproxy in transparent mode <--> slow link <--> client

New setup:
Internet <--> squid cache #1 <--> slow link <--> squid cache #2 <--> client


Squid cache #1 and squid cache #2 will have some form of cache hierarch setup between them. So if we want to continue to use the ziproxy software we will lose the Gzip compression benefits but will retain the image scaling.

My question is, will having squid go through ziproxy have any affects on the cache use ? Because the image(gif,jpeg,tif,..) on the server will never match the copy received by squid cache #1. Since it would be scaled / altered on it's way down ?

Thanks




Yes it usually is. So the ziproxy will easily keep its current position at the head of the slow link.

However, you make a worrying comment at the end there. Ziproxy or any that alter the content MUST adapting the HTTP headers to match the new content. If its not doing that its should not be used to live traffic.

Amos
--
Please use Squid 2.6STABLE17+ or 3.0STABLE1+
There are serious security advisories out on all earlier releases.

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