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Re: Squid - Reverse Proxy

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Thank you very much Amos

When sibling realtionship is configured in cache_peer without any
protocols( icp/htcp), whether squid sends GET request to peers instead
of ICP/HTCP requests ?

Eg.

cache_peer 172.16.1.10 sibling 3128 0 no-query
cache_peer 172.16.1.11 sibling 3128 0 no-query

Thanks
-Viswa

On Wed, Jul 13, 2011 at 11:03 AM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote:
> On 13/07/11 15:52, viswanathan sekar wrote:
>>
>> Hello All,
>>
>> I want to configure squid like following setup and please share your
>> views to achieve it.
>>
>> Setup:
>>
>> Squid is configured as a reverse proxy with two Apache servers as
>> parent. In both apache servers video content will be added
>> continuously.
>>
>> Requirement:
>>
>> If the requested object is not found in the first parent(Apache1.com),
>> squid must check for requested object in the second
>> parent(Apache2.com).
>>
>> Squid.conf:
>>
>> cache_peer parent Apache1.com parent 80 o originserver
>> cache_peer parent Apache2.com parent 80 o originserver
>>
>
> Tricky. 404 (not found / does not exist) is a proper response supposed to be
> sent to the client. It indicates that the object does not exist _at all_.
>
> You could work around that by making apache1 produce a 5xx code instead of
> 404. That way Squid is tricked into believing the peer is broken and move on
> to the next.
>
> Its best to split that data between the peers based on some part of the URL.
> Either the subdomain name, or the top level folder of the path. That way
> Squid can check for that detail and pass requests straight to the right
> origin.
>  If they are supposed to be redundant mirrors of each other then place them
> in the order you update the content. The one most likely to have content
> will be checked first, and failure to find it there is a guarantee that the
> other wont have it either.
>
> Amos
> --
> Please be using
>  Current Stable Squid 2.7.STABLE9 or 3.1.14
>  Beta testers wanted for 3.2.0.9
>



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