Re: [squid-users] Re: SSL Reverse Proxy to Exchange 2003 OWA

From: Rakesh Kumar <rakesh@dont-contact.us>
Date: Wed, 29 Dec 2004 16:48:18 +0300

Dear Squid GURU,
There are many such error meessages in cache.log. SQUID does not shut down
with each such message. I see at least 15-16 such eeror messages after which
squid is stopped. I am sure no body issued "Control-C" though I was starting
squid with -DYNCd3 options.
I have tried starting squid like /usr/local/squid/sbin/squid but no
process starts. I could start squid with -N option only. Though in
squid-2.5STABLE7 I could start squid only with ./squid command. While I am
writing this mail I have already seen 10 error messages -
"clientNegotiateSSL: Error negotiating SSL connection on FD
91: error:00000000:lib(0):func(0):reason(0) (5/0)" and squid is still
running.

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
I am running Squid-3 PRE3 on RH9 without any squid patch as I could not
insatll the patches listed at the sight. My squid.conf is as following:-

http_port 8080
https_port w.x.y.z:443 defaultsite=mail.xyz.com protocol=http cert=/usr/lo
cal/ssl/mail.xyz.com.crt key=/usr/local/ssl/mail.xyz.com.key
ssl_unclean_shutdown on
icp_port 3130
cache_peer mail.xyz.com parent 80 0 no-query proxy-only originserver
login=PA
SS front-end-https=on

hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?
no_cache deny QUERY

cache_dir ufs /usr/local/squid/var/cache 100 16 256
access_log /usr/local/squid/var/logs/access.log
cache_log /usr/local/squid/var/logs/cache.log
cache_store_log /usr/local/squid/var/logs/store.log

auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours

refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern . 0 20% 4320

acl owa_host dst a.b.c.d/255.255.255.255
acl it_net src 10.1.1.0/255.255.255.0
acl all_dst dst 0.0.0.0/0.0.0.0
acl all src 0.0.0.0/0.0.0.0
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl to_localhost dst 127.0.0.0/8
acl SSL_ports port 443 563
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 563 # https, snews
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports

http_access allow owa_host
http_access allow it_net
http_access deny all
http_reply_access allow all_dst
icp_access allow all
cache_effective_user squid
visible_hostname Squid-Rev
coredump_dir /usr/local/squid/var/cache
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
My question - 1. Am I doing any thing wrong. With Squid-2.5STABLE5 and
Exchange 5 OWA, we were very stable.
2. Do I need to install any patch? How can I do that. I stuck when I needed
to choose target file (to be patched).

Lot of thanks....

Rakesh Jha
----- Original Message -----
From: "Henrik Nordstrom" <hno@squid-cache.org>
To: "Rakesh Kumar" <rakesh@burgan.com.kw>
Cc: <squid-users@squid-cache.org>; "Henrik Nordstrom" <hno@squid-cache.org>
Sent: Tuesday, December 28, 2004 04:12 PM
Subject: [squid-users] Re: SSL Reverse Proxy to Exchange 2003 OWA

>
>
> On Tue, 28 Dec 2004, Rakesh Kumar wrote:
>
> > With Squid-3 I have strated working well with OWA but now facing another
> > problem. After some two-three conenction I am getting following error in
> > cache.log -
> >
> > 2004/12/28 12:42:11| clientNegotiateSSL: Error negotiating SSL
connection on
> > FD
> > 36: error:00000000:lib(0):func(0):reason(0) (5/0)
>
> This is usually seen when the client aborts the connection during the
> initial SSL negotiations.
>
> > 2004/12/28 12:43:17| Preparing for shutdown after 236 requests
>
> This is someone terminating Squid, either with "Control-C" if run
> interactively or by "squid -k shutdown".
>
> Regards
> Henrik
>

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Received on Wed Dec 29 2004 - 03:46:49 MST

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