Re: [squid-users] TCP_DENIED:NONE and Forwarding loop

On Mon, Sep 03, 2007, Paul Bertain wrote:
> Via: 1.1 squid-1.example .com:80 (squid/2.5.STABLE14)

You might consider upgrading to squid-2.6.STABLE16 when it comes
out.

> X-Forwarded-For: 208.106.5.39
> Cache-Control: max-age=259200
> Connection: keep-alive
>
> I think our Squid parent is not responding so Squid goes direct to
> source. Is there a way to ensure that Squid will not go to origin
> even if the parent does not respond? We do DNS load-balancing so
> when the Squid tries to go direct to source, I think that is where
> our loop begins.

Try reading these config options:

http://www.squid-cache.org/Versions/v2/2.6/cfgman/never_direct.html
http://www.squid-cache.org/Versions/v2/2.6/cfgman/always_direct.html
http://www.squid-cache.org/Versions/v2/2.6/cfgman/prefer_direct.html
http://www.squid-cache.org/Versions/v2/2.6/cfgman/nonhierarchical_direct.html

Adrian
Received on Tue Sep 04 2007 - 00:21:01 MDT