Thanks a lot. This works perfectly. Is $1 always guaranteed to be the
last IP in the X-Forwarded-For list?
Is it the string that is matched in the $ position in the regular expression?
On Fri, Jan 22, 2010 at 7:48 PM, Maxim Dounin <mdounin@mdounin.ru> wrote:
> Hello!
>
> On Fri, Jan 22, 2010 at 08:46:02PM -0500, chittis wrote:
>
>> I want to get the last IP address in the X-Forwarded-For header
>> and assign it to a variable. I'm doing this using embeded perl
>> now. Is there a way I can do this using the map module and
>> regular expressions?
>
> Map? Probably you mean rewrite? Try something like this:
>
> set $x "";
> if ($http_x_forwarded_for ~ "(\d+\.\d+\.\d+\.\d+)$") {
> set $x $1;
> }
>
> Maxim Dounin
>
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--
Subramanyam Chitti
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