OK, so either I'm the first one to ever try this, noones ever gotten it
to work or I'm not giving enough information?
Open to any suggestions at all??
Jim Williams wrote:
> Greetings all, I hope someone can assist me with this issue.
>
> First off, this is what we are trying to accomplish. We have an Exchange
> 2000 Machine behind a firewall and a Squid/Sendmail box running on RedHat
> 7.1 in the DMZ area. The firewall transparently redirects ports 25 and
> 80 to
> the Exchange Server. Sendmail is currently accepting mail for this domain
> and redirecting it through the firewall to the Exch box. The Squid service
> is acting as a proxy cache for all users on the inside going to the
> Internet. The third request was for the machine to also do a "reverse
> proxy"
> so that when someone hits port 80 on the Squid server it redirects the
> connection to the FW/Exch port 80 so they can get to the WebMail interface.
>
> All of this appears to be working with one major hiccup. After I get past
> the Exch.2000's Basic Authentication password, the first reply is a
> "Document Moved" http response. The sequence is as follows:
> 1. Browser connects to Squid and requests http://squid.ip.com/Exchange
> 2. Squid uses httpd_accel and redirects request to
> http://firewall.ip.com/Exchange
> 3. Firewall transparently redirects this request to the Exchange box.
> 4. Exchange replies "Document Moved to http://firewall.ip.com/Exchange"5.
> HTTP response gets passed all the way back to client browser.
> 6. Browser attempts to open http://firewall.ip.com/Exchange directly and is
> denied because all requests must come through the Squid machine.
>
> If I change squid.conf to forward based on IP or HostName the "Document
> Moved" reply matches so it seems that they are automatically generating the
> response based on the HTTP hearders of the initial request. I have tried
> everything I can think of for a way to get around this but with no luck so
> far. I ended up having to do packet capture and analysis with tcpdump to
> even figure out this much of what is happening. Any suggestions???
>
> I thank you all in advance for your help.
>
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Jim Williams President - General Manager Linux-Class.com phone:214.557.3626 fax:347.521.9891 Break Out of the Windows Box! Explore the possibilities of Open Source Software. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Received on Mon Dec 03 2001 - 18:55:18 MST
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