On 6/9/06, Proniewski Patrick <[EMAIL PROTECTED]> wrote:
On 9 juin 06, at 14:32, Joshua Slive wrote:
>> # will not work...
>> BrowserMatch !Firefox not_fx
>
> There is no direct support for this, but you can often reverse the
> logic and cause the regex to unset and env variable instead and then
> use the lack of the variable as a trigger for whatever you were trying
> to do.
Yes, we've explored this a little bit yesterday with the syntax:
SetEnvIf Request_URI .* GoAway=1
BrowserMatch .+ !GoAway
SetEnvIf Referer .+ !GoAway
Deny from env=GoAway
that means "deny every client that comes with blank user-agent AND
with blank referer" (do no deny every client that comes either with a
non-blank client, or with a non-blank referer)
It's easy, because ".+" is the negation of "^$", so I don't have to
use something like "!^$" (which wouldn't work)
I think it's becoming more complicated if I want the opposite of a
particular value.
for example: "deny every client that comes with Firefox AND with
blank referer" (do no deny every client that comes either with a non-
firefox client, or with a non-blank referer)
may be I'm missing something obvious...
I could probably come up with a way to do this with mod_setenvif, but
when your config crosses a certain level of complexity, it is usually
easier to just bite the bullet and pull out mod_rewrite. It has a
much more flexible config syntax and therefore can sometimes express
these things much more clearly.
Joshua.
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