Tom Eastep <[email protected]> writes:

> On 6/17/10 2:28 AM, Rémi Letot wrote:
>> Hello,
>> 
>> I have configured a squid transparent proxy in my network with the
>> instructions found here :
>> 
>> http://www.shorewall.net/Shorewall_Squid_Usage.html#Local
>> 
>> This works perfectly, and has been like that for ages. But I followed
>> the instructions like a robot, and I don't really understand every
>> instruction (I understand the logic, but didn't want nor have to read
>> the whole shorewall TC documentation to make it work).
>> 
>> Now I have a VoIP server in my network, and would like to prioritize
>> trafic to/from that service (the protocol is IAX, so quite easy to
>> handle). The easiest would be to switch to TC_ENABLED=Simple, but then
>> my squid setup wouldn't work anymore. 
>
> I don't understand why your Squid setup would be affected by setting
> TC_ENABLED=Simple; please explain.

squid is configured as a transparent proxy. That means that the machines
in my network do not need to be configured to use the proxy, they don't
even know that they are proxied. Shorewall is just configured to
transparently redirect all http trafic to the proxy using the
instructions found here :

http://www.shorewall.net/Shorewall_Squid_Usage.html#Local

Those instruction seem to depend on TC_ENABLED=internal

The squid configuration itself is not impacted, but squid won't receive
any traffic if shorewall stops redirecting it.

Thanks,
-- 
Rémi


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