Re: [squid-users] R: [squid-users] Connection to webmail sites problem using more than one parent proxy

Sergio wrote:
> Hi Amos!
> Thank you for your replying.
>
> I have changed squid version ( now is running the 2.7 stable5) and I have
> modified the parents peers in that way:
>
> parentproxy1.mydomain.it parent 3128 3130 sourcehash
> parentproxy2.mydomain.it parent 3128 3130 sourcehash
> parentproxy3.mydomain.it parent 3128 3130 sourcehash
>
> But I still have the same problem.
>
> I tried also in this way, but it didn't work as well :
>
> parentproxy1.mydomain.it parent 3128 3130 roundrobin sourcehash
> parentproxy2.mydomain.it parent 3128 3130 roundrobin sourcehash
> parentproxy3.mydomain.it parent 3128 3130 roundrobin sourcehash
>
> I'm wondering whether the configuration is correct, or not.

Just the top config should have worked. It selects the parent based on
client source IP.
Something else must be going on.

> Do you have some better tips about how to configuring it?
>
> Hope to have nice news from you!
>
> Thanks a lot for help!
>
> Sergio
>
>
> -----Messaggio originale-----
> Da: Amos Jeffries [mailto:squid3_at_treenet.co.nz]
> Inviato: sabato 1 novembre 2008 4.40
> A: Sergio
> Cc: squid-users_at_squid-cache.org
> Oggetto: Re: [squid-users] Connection to webmail sites problem using more
> than one parent proxy
>
> Sergio wrote:
>> Hello Everybody,
>>
>>
>> We have this scenario:
>>
>> We have proxy connected to internet trough 3 parent proxy
>>
>> [client]
>> |
>> |
>> [proxy]
>> |
>> |
>> +-----------------+---------------+
>> | | |
>>
>> [parentproxy1],[parentproxy2],[parentproxy3]
>>
>>
>>
>> We have trouble with some webmail sites ( eg. mail.tiscali.it) that don't
>> keep the connection on the session.
>> We have this problem when the proxy establishes the connection using all
> the
>> proxy serves.
>> If we use only a proxy server as parent the session is not missed.
>>
>> This the localproxy configuration for the cache peers:
>>
>> cache_peer parentproxy1.mydomain.it parent 3128 3130
>> cache_peer parentproxy2.mydomain.it parent 3128 3130
>> cache_peer parentproxy3.mydomain.it parent 3128 3130
>>
>> we use squid 2.5 stable7 version for Windows.
>> The parent proxies use squid 2.5 stable7 for windows as well and go out
>> directly to Internet.
>> How can we override this problem?
>> Thank you in advance guys!
>>
>>
>> Sergio
>>
>>
>>
>> Ps.
>>
>> We also contacted the Tiscali customer care, but they didn't give us any
>> useful information!
>>
>
> Forgot to mention in my earlier reply.
> If you upgrade to current squid the srchash peering algorithm is
> available to ensure that all requests from a given client IP go through
> a certain parent. This is hash balanced across all the active parents
> and handles parents proxies going up/down without breaking client access.
>
> Amos

-- 
Please be using
   Current Stable Squid 2.7.STABLE5 or 3.0.STABLE10
   Current Beta Squid 3.1.0.1