We have setup Squid as a reverse proxy to Exchange 2010 OWA server we
thought everything was working OK, but found out that any file
attachments over 2MB cause a timeout after 5 minutes. I remembered
having this issue a while back with HTTPS, and it just went away after
some updates. Some searching found other users posting messages to the
Squid mailing list that had this issue in particular with OWA. However I
never found a fix on any of the threads.
Squid is currently running 3.4.11, on FreeBSD 10.1-RELEASE-p5, This
occurs even when sending the file through the local network passing
through the reverse proxy. With the slowest link being a 1G.
Below is the relevant parts of the configuration, with some information
excluded for security
https_port 10.50.20.12:443 accel defaultsite=... \
cert=... \
key=... \
options=NO_SSLv2:NO_TLSv1:CIPHER_SERVER_PREFERENCE \
cipher=RC4:!MD5:!aNULL:!EDH
cache_peer ... parent 443 0 ssl no-query no-digest no-netdb-exchange
originserver name=owa2010_parent sslcapath=/usr/local/share/certs
sslflags=DONT_VERIFY_PEER login=PASSTHRU front-end-https=on
We also host sharepoint (certificate is a wildcard certificate) this way
as well, and I have just verified that it has the same problem. It is
served by the same https_port line, and a different cache_peer the only
difference is the IP and it doesn't have the front-end-https option set.
Does anyone have any ideas to check?
is this possibly a cause
<http://www.squid-cache.org/Doc/config/broken_posts/>?
--
Thanks,
Dean E. Weimer
http://www.dweimer.net/
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