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From Axel-St├ęphane SMORGRAV <>
Subject RE: [users@httpd] apache 2.0 as reverse proxy using mod_rewrite
Date Fri, 24 Jun 2005 06:54:35 GMT
What is the configuration of the virtual host for https://login/ ???
What did you intend that the following line would do ?
    RewriteRule ^/$ https://webserverl/$1 [R,L]
What host is it supposed to redirect to? Is "webserverl" (_l_) a typo?? If it is a typo and
you intended to make it "webserver" then you would get a eternal loop between the server and
the client. What about the $1 ? What is that supposed to make reference to?

Try removing your rewrite rule and see what happens.



From: Heitmann, Herwarth [] 
Sent: Thursday, June 23, 2005 5:24 PM
Subject: [users@httpd] apache 2.0 as reverse proxy using mod_rewrite

i have some difficulties using apache webserver as a reverse proxy. i am sure it has to do
something with url rewriting.
the situation is as follows.
- at our company we have some external ip address accessible via the internet. these ip addresses
has to be assigned to the external ethernet card of the apache machine. we want to terminate
ssl connections on the reverse proxy so we are using ip based virtual hosting  which works
- on the second ethernet card we have a connection to the actual websites.
multiple ip's -------------reverse proxy---------------multiple websites
we have a complex application running on the reverse proxy and it does authentication to another
website using the same reverse proxy
https://webserver ------------ reverse proxy ---------- http://webserver-internal (application
redirects to https://login/?return=https://webserver)
https://login ------------------- reverse proxy ----------- http://login-internal (application
does authentication)
https://webserver ------------ reverse proxy ---------- http://webserver-internal
httpd conf for virtual host:
Listen ip-address:443
<VirtualHost ip-address:443>
    ServerAdmin webmaster@webserver
    ServerName webserver
    ProxyPass / http://webserver-internal/
    ProxyPassReverse / http://ip-address-internal/
    SSLEngine on
    SSLCertificateFile /etc/httpd/conf/ssl.crt/webserver.crt
    SSLCertificateKeyFile /etc/httpd/conf/ssl.key/webserver.key
    ErrorLog logs/error_log_webserver
    TransferLog logs/access_log_webserver
    RewriteEngine On
    RewriteRule ^/$ https://webserverl/$1 [R,L]
it is strange because i get a http 302 return in the browser and does not continue.... it
reaches webserver-internal with statement found 302 and then it stops.... it terminates ssl
as expected...
what am i doing wrong?


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