[users@httpd] Targeting specific files in reverse proxy mode

2011-03-03 Thread Joel Donahue
I have setup apache2 to run in reverse proxy mode with mod_proxy and
ProxyPass. I am trying to target the robots.txt file to modify it with
mod_ext_filter and am having no such luck.
I have mod_ext_filter working fine changing links on other parts of
the site, So I don't believe it's configuration is an issue.


ExtFilterDefine robots mode=output cmd="/usr/bin/robots.pl"

SetOutputFilter robots


Using the Files directive is not working and I read somewhere that it
won't work because I am using a reverse proxy and that I should use
the Location directive.
Is that correct? What would be the proper way to target the robots.txt
file so I can process it with mod_ext_filter?

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[users@httpd] Mod_Rewrite and reverse proxy

2011-04-20 Thread Joel Donahue
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.




RewriteEngine on
RewriteBase /
RewriteRule ^robots\.txt$ robots2.txt


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

2011-04-20 Thread Joel Donahue
On Wed, Apr 20, 2011 at 4:58 PM, Mark Montague  wrote:
>  On April 20, 2011 18:43 , Joel Donahue  wrote:
>>
>> Is it possible to use Mod_Rewrite and apache in reverse proxy mode
>> simultaneously?
>
>> 
>> RewriteEngine on
>> RewriteBase /
>> RewriteRule ^robots\.txt$ robots2.txt
>> 
>>
>> ProxyPass / http://www.server2/ retry=0
>> ProxyPassReverse / http://www.server2/
>> ProxyPreserveHost On
>
>
> Yes, but the  stanza applies to files that are being served from
> the front-end server's filesystem.  The rewrite rules you put in the
>  stanza have no effect because the requests are being proxied,
> not served from the filesystem.
>
> Move the RewriteEngine and RewriteRule directives out of the 
> 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
>  m...@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




ServerName server1
ServerAlias server1

ProxyPass / server2/ retry=0
ProxyPassReverse / server2/
ProxyPreserveHost On

RewriteEngine on
RewriteRule ^/robots\.txt$ /robots2.txt [PT]



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[users@httpd] Basic Auth with ProxyPass Through SSL

2011-07-28 Thread Joel Donahue
I am setting up a reverse proxy to an internal webserver from an
apache server with a public IP. I want to use Basic Auth and SSL on
the public apache server which then forwards standard http, non-ssl
traffic, to the internal webserver. Basic auth with ProxyPass works
perfectly without using ssl but when using ssl the browser prompts me
for the credentials but apache never accepts them as valid. Accessing
the internal site with ssl and ProxyPass WITHOUT basic auth required
works as well.

This configuration works great without using ssl:



ProxyPass / http://site.internal/ retry=0
ProxyPassReverse / http://site.internal/
ProxyPreserveHost On


AuthType Basic
AuthName "Restricted Area"
AuthUserFile /usr/local/apache/access-file
Require valid-user




However this configuration does not work, however if I remove basic
auth I can get through:



ProxyPass / http://site.interal/ retry=0
ProxyPassReverse / http://site.internal/
ProxyPreserveHost On


AuthType Basic
AuthName "AFC Restricted Access"
AuthUserFile /user/local/apache/access-file
Require valid-user




What am I missing?

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Re: [users@httpd] Basic Auth with ProxyPass Through SSL

2011-07-28 Thread Joel Donahue
On Thu, Jul 28, 2011 at 1:06 PM, Tim Watts  wrote:
> On 28/07/11 19:23, Joel Donahue wrote:
>>
>> I am setting up a reverse proxy to an internal webserver from an
>> apache server with a public IP. I want to use Basic Auth and SSL on
>> the public apache server which then forwards standard http, non-ssl
>> traffic, to the internal webserver. Basic auth with ProxyPass works
>> perfectly without using ssl but when using ssl the browser prompts me
>> for the credentials but apache never accepts them as valid. Accessing
>> the internal site with ssl and ProxyPass WITHOUT basic auth required
>> works as well.
>>
>> This configuration works great without using ssl:
>>
>> 
>>
>> ProxyPass / http://site.internal/ retry=0
>> ProxyPassReverse / http://site.internal/
>> ProxyPreserveHost On
>>
>> 
>> AuthType Basic
>> AuthName "Restricted Area"
>> AuthUserFile /usr/local/apache/access-file
>> Require valid-user
>> 
>>
>> 
>>
>> However this configuration does not work, however if I remove basic
>> auth I can get through:
>>
>> 
>>
>> ProxyPass / http://site.interal/ retry=0
>> ProxyPassReverse / http://site.internal/
>> ProxyPreserveHost On
>>
>> 
>> AuthType Basic
>> AuthName "AFC Restricted Access"
>> AuthUserFile /user/local/apache/access-file
>> Require valid-user
>> 
>>
>> 
>>
>> What am I missing?
>>
>> -
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>>
>
> Anything in the apache logs?
>
> I can't see anything straight off that's wrong.
>
> Here's the recipe I use which is known to work:
>
> http://squiddy.blog.dionic.net/2011/06/apache-22-pam-authentication-and-ssl.html
>
> That breaks it down a bit, and does more (always does an SSL redirect for an
> auth'd location for security) but it should work for you if you change the
> Auth* lines in /etc/apache2/snippets/auth
>
> I tend to dispense with ProxyPass in favour of Rewrite rules with the Proxy
> flag - just for my sanity, as then I can be sure of the order of execution
> of the various rewrites.
>
> But I do a lot of what you are doing (in my case, proxy through to various
> tomcat servers) mixed with PAM (ultimately LDAP) auth - but any auth method
> will work with the recipe above...
>
> It looks fiddly, but there is an explanation and the snippets/* files are
> invariant across sites/servers (unless you need different auth methods or
> files of course).
>
> Sorry - in a rush, supper cooked - I'll come back later if anything doesn;t
> make sense...
>
> Cheers
>
> Tim
>
> --
> Tim Watts
> Personal Blog: http://www.dionic.net/tim/
>
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>

I got it working now. I didn't see anything in the logs to start with
because I wasn't checking the ssl logs.
It was a simple typo. I used 'user' and not 'usr'

AuthUserFile /user/local/apache/access-file
changed to
AuthUserFile /usr/local/apache/access-file

Thanks for your help Tim.

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