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Posted to users@httpd.apache.org by Joel Donahue <jo...@gmail.com> on 2011/04/21 00:43:49 UTC
[users@httpd] Mod_Rewrite and reverse proxy
Is it possible to use Mod_Rewrite and apache in reverse proxy mode
simultaneously?
I have a web server (server1) that is a mirror of another of another
web server (server2) and all requests from the server1 are reverse
proxyed to server2.
The robots.txt from server2 needs to be changed to disallow crawling
when accessed through server1.
So I created a robots2.txt, uploaded onto server2 and tried this
configuration on server1 but it is not working.
<Directory />
RewriteEngine on
RewriteBase /
RewriteRule ^robots\.txt$ robots2.txt
</Directory>
ProxyPass / http://www.server2/ retry=0
ProxyPassReverse / http://www.server2/
ProxyPreserveHost On
Any recommendations as to how to accomplish this are very much
appreciated. Thank you.
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Re: [users@httpd] Mod_Rewrite and reverse proxy
Posted by Joel Donahue <jo...@gmail.com>.
On Wed, Apr 20, 2011 at 4:58 PM, Mark Montague <ma...@catseye.org> wrote:
> On April 20, 2011 18:43 , Joel Donahue <jo...@gmail.com> wrote:
>>
>> Is it possible to use Mod_Rewrite and apache in reverse proxy mode
>> simultaneously?
>
>> <Directory />
>> RewriteEngine on
>> RewriteBase /
>> RewriteRule ^robots\.txt$ robots2.txt
>> </Directory>
>>
>> ProxyPass / http://www.server2/ retry=0
>> ProxyPassReverse / http://www.server2/
>> ProxyPreserveHost On
>
>
> Yes, but the <Directory> stanza applies to files that are being served from
> the front-end server's filesystem. The rewrite rules you put in the
> <Directory> stanza have no effect because the requests are being proxied,
> not served from the filesystem.
>
> Move the RewriteEngine and RewriteRule directives out of the <Directory>
> context and into the virtual host context with the ProxyPass directive. You
> should also get rid of the RewriteBase directive and make the RewriteRule
> directive operate on absolute (not relative) URLs, like this:
>
> RewriteRule ^/robots\.txt$ /robots2.txt
>
> --
> Mark Montague
> mark@catseye.org
>
>
I just realized I wasn't replying to the list
Here is the config that got it working thanks to Mark's suggestions
<VirtualHost *.*.*.*:80>
ServerName server1
ServerAlias server1
ProxyPass / server2/ retry=0
ProxyPassReverse / server2/
ProxyPreserveHost On
RewriteEngine on
RewriteRule ^/robots\.txt$ /robots2.txt [PT]
</VirtualHost>
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Re: [users@httpd] Mod_Rewrite and reverse proxy
Posted by Mark Montague <ma...@catseye.org>.
On April 20, 2011 18:43 , Joel Donahue <jo...@gmail.com> wrote:
> Is it possible to use Mod_Rewrite and apache in reverse proxy mode
> simultaneously?
> <Directory />
> RewriteEngine on
> RewriteBase /
> RewriteRule ^robots\.txt$ robots2.txt
> </Directory>
>
> ProxyPass / http://www.server2/ retry=0
> ProxyPassReverse / http://www.server2/
> ProxyPreserveHost On
Yes, but the <Directory> stanza applies to files that are being served
from the front-end server's filesystem. The rewrite rules you put in
the <Directory> stanza have no effect because the requests are being
proxied, not served from the filesystem.
Move the RewriteEngine and RewriteRule directives out of the <Directory>
context and into the virtual host context with the ProxyPass directive.
You should also get rid of the RewriteBase directive and make the
RewriteRule directive operate on absolute (not relative) URLs, like this:
RewriteRule ^/robots\.txt$ /robots2.txt
--
Mark Montague
mark@catseye.org
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