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@xxxxxxxxxxxxxxxxxxxx> 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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