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From "Boyle Owen" <>
Subject RE: [users@httpd] What is available with SetEnvIf ?
Date Mon, 10 Apr 2006 06:41:36 GMT
> -----Original Message-----
> From: Tom Vandall [] 
> Sent: Samstag, 8. April 2006 23:08
> To:
> Subject: [users@httpd] What is available with SetEnvIf ?
> Hi,
> I'd like to use SetEnvIf to test if https is used. 
> SERVER_PORT seems to be unavailable...

This is a server variable that, AFAIK,  is available only in mod_rewrite.

Actually, I'm not sure if your original idea is sound. First of all, it is only convention
that links port 443 to HTTPS - technically, there is no problem in using 443 for plain HTTP
and/or using HTTPS on port 80 (or any other port). So your rule wouldn't be general.

Secondly, HTTPS has to be handled by a dedicated VH - which can't be used for HTTP. So your
test, if you put it in the HTTPS VH, would *always* return "true" and so would be pointless.
To put it another way, how do you know you've received an HTTPS request? Answer: Because you
landed in the HTTPS VH.

If this doesn't solve your problem, post back explaining exactly what you're trying to achieve...

Owen Boyle
Disclaimer: Any disclaimer attached to this message may be ignored. 

PS - returning to mod_rewrite, there is a server variable called "HTTPS" that is either "on"
or "off". You might try looking at that...

> Thanks for any advice !

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