[squid-users] Squid 3.5.1 intercept / Forwarding loop detected for

Luis Miguel Silva luismiguelferreirasilva at gmail.com
Thu Feb 12 14:34:32 UTC 2015


I bumped into this same "forwarding loop" problem yesterday!
In my case, it was because I had two transparent proxies in the same
network and was basically redirecting traffic twice:
[internet] <-> [appliance 1] <-> [appliance 2] <-> [client computer]

I mistakenly added iptables redirect rules in both appliance 1 and
appliance 2 and that caused Squid to spit out that "forwarding loop
detected" error.


On Thu, Feb 12, 2015 at 4:40 AM, Antony Stone <
Antony.Stone at squid.open.source.it> wrote:

> On Thursday 12 Feb 2015 at 11:26, naser sonbaty wrote:
>
> > Hi,
> >
> > Internet is connected to Router PC
> >
> > Only trafic to port 80 is send to squid.
>
> Yes, I know that, but traffic *from* where?
>
> Please answer the question below.  Even better, show us the redirect rule
> you're using on the router to do it.
>
> > On Thu, Feb 12, 2015 at 11:58 AM, Antony Stone wrote:
> > >
> > > Have you configured the router to redirect port 80 traffic from the
> > > Client PC to Squid 3129, or have you configured it to redirect *all*
> port
> > > 80 traffic (including from Squid) to Squid 3129?
> > >
> > > Looks like the Router is making Squid talk to itself.
>
>
> Regards,
>
>
> Antony.
>
> --
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>
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