RE: session based transaction and squid round-robin

> Hi,
>
> We have stumbled into more than one web site implementing Session Based
> Transaction on top of Stateless HTTP connections. Browser makes the first
> request for a web page using GET method. Based on the initial page
> request's client IP, server sends out a custom web page containing a
> hidden field.. Then when the user enters the information and "submits" the
> page (using POST method), web server is validating the hidden field with
> the client's IP address.
>
> This works fine when you have one proxy server - but breaks when we chain
> a Child proxy to more than one Parent proxy server using "cache_peer"
> directive as show below (Child squid.conf):
>
> cache_peer proxy1.xyz.com parent 3128 0 no-query round-robin
> cache_peer proxy2.xyz.com parent 3128 0 no-query round-robin
> cache_peer proxy3.xyz.com parent 3128 0 no-query round-robin
> cache_peer proxy4.xyz.com parent 3128 0 no-query round-robin
>
>
> Have any of you seen this issue ?
>
>
> radha

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