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Do the apache docs have a full list of these variables? Or is there some way that I can find out what they are in apache? The variables are things like %{Referer} and %{User-agent}.

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Variables allowed in RewriteCond are not the same thing as environment variables. Which one are you interested in? – Shane Madden Jun 28 '12 at 1:06
I'm interested in environment variables. – josten Jun 28 '12 at 2:07

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Dave from addedbytes wrote this great cheatsheet:

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There are some here but some are missing – josten Jun 27 '12 at 15:37
This is what I wanted: There is no official docs however. – josten Jun 27 '12 at 15:41

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