Re: transparent proxies

From: Richard Ayres <>
Date: Mon, 28 Jul 1997 12:28:20 +0100

-----Original Message-----
From: Martin Hamilton <>
>Just wondering how many people were running Squid in a transparent
>proxy setup, and what your experiences of this were. For info :-
>In case it's not clear, I'm talking about transparently intercepting
>port 80 TCP traffic and redirecting it into (say) a copy of Squid.

I'm using such a setup. The only issues so far have been that:

(a) it's fairly useless to use my service providers parent caches
(cache-? because by proxying squid only sees IP addresses,
not host names and demon aren't generally asked for IP addresses by other

(b) kernel 2.0.30 is a no-no as transparent proxying is broken (I use

(c) client browsers must do host name lookups themselves, as they don't know
they're using a proxy;

(d) the Microsoft Network won't authorize its users through a proxy, so I
have to specifically *not* redirect those packets (my company is a MSN
content provider).

Aside from this, I get a 30-40% hit rate on a 50MB cache for 30-40 users and
am quite pleased with the results.

Received on Mon Jul 28 1997 - 06:47:55 MDT

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