Re: [squid-users] squid + tproxy is not working properly when using url_rewriter and local apache script for youtube caching

On 19.04.2012 03:27, x-man wrote:
> Hello there,
>
> I'm using squid transparent proxy for caching and I have also youtube
> caching done with url_rewrite and apache script running on same
> machine as
> squid.
>
> It was all working fine, until I decided to go with TPROXY, as it has
> many
> benefits. When I implemented the tproxy rules in iptables, everything
> continued to work except the playing of youtube videos - where the
> url_rewriter and the apache script come into play. The url_rewriter
> redirects the youtube requests to a local .php script working on the
> Apache
> (on same machine)
>
> I think it has something to do with how squid communicates with the
> local
> apache process (where the software for youtube caching works) and
> somehow
> the tproxy is screwing this up, because after implementing the tproxy
> the
> requests to the Apache are sent with the USER-IP (previous without
> tproxy,
> it was with SQUID-IP) and the reply from the apache script probably
> goes
> directly the user, instead of returning back through the squid
> process.

Have you verified that Apache is actually getting the request? Traffic
from a globally routable IP to/from localhost is often prohibited by the
kernel or even hardware.

Amos
Received on Thu Apr 19 2012 - 00:02:23 MDT