Re: [squid-users] Webmail/round robin dns problem

Thanks Amos,

I'm sure that's what it is. I should have looked for "round robin" in the
config
file :^)

Mark

On Sat, 6 Sep 2008 21:52:10 +1200 (NZST), "Amos Jeffries"
<squid3_at_treenet.co.nz> wrote:
>>
>> We're having a problem with an external webmail site that uses round
> robin
>> dns:
>>
>>> webmail.domain.com
>> Server: 10.51.#.#
>> Address: 10.51.#.##53
>>
>> Non-authoritative answer:
>> Name: webmail.domain.com
>> Address: 12.145.#.5
>> Name: webmail.domain.com
>> Address: 166.73.#.139
>> Name: webmail.domain.com
>> Address: 12.145.#.56
>>
>> Bringing up the original webmail site works fine, but a user's session
>> gets
>> bounced between
>> The different webmail servers during authentication.
>>
>> Thu Sep 4 13:50:53 2008 280 10.52.15.128 TCP_MISS/302 228 GET
>> http://webmail.domain.com/ username DIRECT/12.145.#.56-
>> Thu Sep 4 13:51:39 2008 45424 10.52.15.128 TCP_MISS/200 281989 CONNECT
>> webmail.domain.com:443 username DIRECT/12.145.#.56 -
>> Thu Sep 4 13:51:39 2008 44735 10.52.15.128 TCP_MISS/200 302531 CONNECT
>> webmail.domain.com:443 username DIRECT/12.145.#.56 -
>> Thu Sep 4 13:51:39 2008 44739 10.52.15.128 TCP_MISS/200 180145 CONNECT
>> webmail.domain.com:443 username DIRECT/166.73.#.139 -
>> Thu Sep 4 13:51:39 2008 44739 10.52.15.128 TCP_MISS/200 175494 CONNECT
>> webmail.domain.com:443 username DIRECT/12.145.#.5 -
>>
>> Is this a Squid DNS caching problem? Is it a problem with the webmail
>> site
>> not maintaining a session between the proxy server and the mail server?
>> Is
>> there a way to have the Squid proxy use a consistent IP address for a
> URL
>> instad of a new DNS lookup? We're running squid-3.0.STABLE6.
>
> balance_on_multiple_ip off
>
> This is a known problem, and will be off by default in 3.1 and later.
>
>
> Amos
--
Mark Krawec mark_at_krawec.net
Nothing makes a fish bigger than almost being caught.

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Received on Sat Sep 06 2008 - 19:27:38 MDT