More: Squid/Cisco trans proxy

From: Marc Lucke <hohum@dont-contact.us>
Date: Tue, 25 Jan 2000 15:28:07 +1100

Ping works okay on those clients that have the problem, so not all ICMP is
blocked for path discovery.

> From: Marc Lucke <info@talent.com.au>
> Date: Tue, 25 Jan 2000 15:20:52 +1100
> To: <squid-users@ircache.net>
> Subject: Squid/Cisco trans proxy
>
> This is one I've asked before & the answers to lower the MTU & echo 1 >
> /proc/sys/net/ipv4/ip_no_pmtu_discovery didn't end up resolving the problem
> although I thought it had.
>
> Trans proxy works fine when I use a route map on IOS 11.2 for most except
> those people via a remote router & I just cannot figure out why. Their
> browsers get stuck on contacting host - they never get a reply.
>
> My usual config is:
>
> * RAS's default gateway is web-cache
> * web-cache hijacks port 80
>
> this works fine for everyone but a lot of web requests slip by
>
> What I have problems with is:
>
> * RAS's default gateway set to cisco (prob same when left on web-cache)
> * cisco/squid setup exactly as specified in FAQ
> * some customers using routers
>
> I am absolutely stumped & very frustrated. It doesn't seem to matter what I
> do & there doesn't seem to be a common thread except for a vague possibility
> that the people experiencing problems are using MS-Proxy although this is
> not even a well-educated guess.
>
> I don't know too much about the routing protocol OSPF but could this have
> anything to do with it?
>
> Does anyone have any advice that might lead me closer to the answer?
>
>
>
> Cheers,
> Marc
>
Received on Mon Jan 24 2000 - 23:04:42 MST

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