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Posted to users@httpd.apache.org by STEPHEN <ss...@henleycol.ac.uk> on 2002/08/30 23:06:22 UTC

RE: [users@httpd] Transparent/Reverse Proxy of Exchange / OutlookWeb Access

Hi,

>ProxyPassReverse does not rewrite html.  It only looks at the HTTP 
>headers (particularly Location:).

The HTML being generate by Outlook web acccess does not contain any server IP addresses or absolute URIs. It just seems that the backend server IP address is being passed to the end browser clients.

>That is a huge mistake if you are only running a reverse proxy.  You 
>just opened your server for anyone to use as a forward proxy.

Only opened for testing purposes ;-)

>One thing to try is to proxy at parallel directories, as in
>
>ProxyPass /exchange/ http://172.16.0.16/exchange/
>ProxyPassReverse /exchange/ http://172.16.0.16/exchange/

Tried, no effect.

>This should prevent problems with <a href's that start with a slash. 
>However, if OWA is generating absoulte URLs including a hostname/IP 
>address, then there is really nothing you can do about it.

Has anyone got OWA to work with Apache reverse proxy? Pleaseeee!


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Re: [users@httpd] Transparent/Reverse Proxy of Exchange / OutlookWeb Access

Posted by Joshua Slive <jo...@slive.ca>.
STEPHEN wrote:
> Hi,
> 
> 
>>ProxyPassReverse does not rewrite html.  It only looks at the HTTP 
>>headers (particularly Location:).
> 
> 
> The HTML being generate by Outlook web acccess does not contain any server IP addresses or absolute URIs. It just seems that the backend server IP address is being passed to the end browser clients.

Well, you need to find out exactly how that is happening.  Put a sniffer 
on the wire so that you can see exactly what Outlook is sending back and 
exactly what Apache is sending.



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