[users@httpd] Setting scheme for ProxyPassReverse

[Ernst Jan Plugge <rm...@dds.nl>]

Hi,


I am setting up an Apache instance that, among other things, accesses a 
web application on a backend server (running BEA WebLogic). The set up has 
three layers: first layer is an SSL offload machine that accepts the HTTPS 
connections and does the SSL thing. It then forwards the request as an 
HTTP request to my Apache instance on port 81, which in turn talks to the 
backend server. I have something like the following in my Apache config:

RewriteRule ^/(.*)$ http://backendserver/$1 [P,L]
ProxyPassReverse / http://backendserver/

This works fine, except for redirects generated by the backend: Apache 
rewrites them to the form http://frontendserver:81/[...], where it needs 
to be https://frontendserver/[...].

The port 81 I can get rid of using ServerName (I have UseCanonicalName 
turned on), but I can't convince mod_proxy to use the https scheme.

Is there some way to do this without having Apache actually handling the 
SSL? I'm using 2.0.50.

I'm also trying to get the SSL offload server to do this instead, but the 
thing tends to be temperamental, so I'd rather let Apache do this if I 
can.


Ernst Jan


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