Add a new RewriteCond Variable with mod_perl in an OutputFiler - possible?

[Torsten Krah <suppressed>]

Hi.

I've read around the docs but i dont know if its possible or not.
Can an perl output filter add a new variable to the current process which can 
be analyzed by mod_rewrite?

Background:

My filter does some internal redirects.
I want to set a Condition named "ORIGINAL_REQ" to the url of the first, the 
really first request url - before the internal_redirects happened.

This way mod_rewrite can analyze the url and i can deny or permit access to 
the url.

Is this possible? If not, are there any other safe ways to do such things - 
without having to modify mod_rewrites sources.

Torsten

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