[squid-users] Fw: Squid 504 issue when connecting to site with untrusted SSL certificate

Greetings,

Squid Cache: Version 2.7.STABLE9
Access URL: https://remote.phau.com.au:987/grains/default.aspx

With no intervening proxy server, the above site returns an untrusted SSL
certificate warning which, once accepted, takes me through to a login
dialog.
With the proxy server in the chain, squid returns a "Connection to
165.228.126.196 Failed " - the untrusted cert warning page is not
returned.
The squid logs display the following -
1309240053.271 60029 148.145.157.200 TCP_MISS/504 0 CONNECT
remote.phau.com.au:987 - DIRECT/165.228.126.196 -
There is nothing displayed in the cache log.

The research I've done typically reports as follows (and also that there
is little I can do about it save contacting the target servers admin):
<snip> This server (squid) did not receive a timely response from an
upstream server it accessed to deal with your HTTP request.
This usually means that the upstream server is down (no response to the
gateway/proxy), rather than that the upstream server and the gateway/proxy
do not agree on the protocol for exchanging data. </snip>

Could it be the certificate warning which is causing the timeout and if so
are there ways to configure squid to deal with it.

Many thanks in advance
Tony

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Received on Thu Jun 30 2011 - 01:23:07 MDT