Hi Krist,
Sorry to get back to you again, I have tried the format you described
and still have problems, is the following how you would expect the
rewrite condition to look? I have tried both, neither giving the result
expected.
1.
RewriteCond %{HTTP_REFERER} ^.*%{ENV:SERVER_NAME}.*$ [OR]
RewriteCond %{HTTP_REFERER} ^$
RewriteRule .* - [E=dont_log_referer:true]
2.
RewriteCond %{ENV:HTTP_REFERER} ^.*%{ENV:SERVER_NAME}.*$ [OR]
RewriteCond %{ENV:HTTP_REFERER} ^$
RewriteRule .* - [E=dont_log_referer:true]
Regards
Chris West
Information Analyst
EDS - UKIMEA Commercial AIU
WoodHill House (2nd Floor)
Westburn Road
Aberdeen AB16 5GB
( Phone:+44 (0)1224 422517)
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-----Original Message-----
From: Krist van Besien [mailto:krist.vanbesien@xxxxxxxxx]
Sent: 21 May 2007 12:46
To: users@xxxxxxxxxxxxxxxx
Subject: Re: Comparing environmental variables in
httpd.conf for conditional logic
On 5/21/07, West, Chris <chris.west@xxxxxxx> wrote:
>
>
>
> I am trying to perform some conditional logic in my httpd.conf file
> comparing two environment variables, the result of which will be used
> to limit the logging in my referer logfile. I have tried using both
> SetEnvIf and RewriteCond to perform the logic in the following ways.
>
> 1: Using SetEnvIf
>
> SetEnvIf Referer SERVER_NAME dont_log_ref
> CustomLog "|rotatelogs.exe logs/referer_log_iuk 86400" combined
> env=!dont_log_ref
>
> 2. Using Rewrite rules
>
> #
> # Set an env variable when we don't want to log the referer.
> #
> RewriteCond %{HTTP_REFERER} ^.*%{SERVER_NAME}.*$
> RewriteRule .* - [E=dont_log_referer:true]
> CustomLog "|rotatelogs.exe logs/referer_log_iuk 86400" combined
> env=!dont_log_referer
>
>
> For both methods, I have tried referencing SERVER_NAME variables as
> above and also in form %{SERVER_NAME} and also %{ENV:SERVER_NAME}.
> None of these seem to work for the comparison however
>
> If I hardcode the comparison it works OK i.e.
>
> RewriteCond %{HTTP_REFERER} ^.*my_test_server.*$ RewriteRule .* -
> [E=dont_log_referer:true] CustomLog "|rotatelogs.exe
> logs/referer_log_inter 86400" combined env=!dont_log_referer
>
> Any help would be much appreciated.
Is the "SERVER_NAME" environment variable set in the shell that is used
to start Apache; or is it set elsewhere? In the context of an discussion
about apache "Environment variable" can mean two things, it is important
to know which meaning it has here.
Now, as far as I know you cannot use environment variables in the regex
part of a SetEnvIf statement. So your first solution will not work.
the second solution can work, but you need to refer to
%{ENV:SERVER_NAME} if you want an environment variable, and not a
mod_rewirte variabla.
Krist
--
krist.vanbesien@xxxxxxxxx
Bremgarten b. Bern, Switzerland
--
A: It reverses the normal flow of conversation.
Q: What's wrong with top-posting?
A: Top-posting.
Q: What's the biggest scourge on plain text email discussions?
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