Re: Reverse Proxy - Client IP

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----- Original Message ----- From: "Joshua Slive" <joshua@xxxxxxxx>


On 9/28/07, K Anand <kanand@xxxxxxxxxxxxxx> wrote:
I'm  using  apache 1.3.xx...I know it is way too old...
My situation is as follows :

Client   <----->   Apache      <------------>  Apache
                         (Rev Proxy)                       (Backend)

I have got access to CGI env vars on the Backend apache in my application. I
would like to get the client IP there.

I have tried this :

SetEnv REMOTE_IDENT %{X-Forwarded-For}i

and tried to access REMOTE_IDENT  in my application...But i get
%{X-Forwarded-For}i and not the value ...

SetEnv can't do that. SetEnvIf might be able to (with a suitable
change in syntax -- see the docs), or you could use mod_rewrite. But
why are you bothering? Your application should be able to directly
access X-Forwarded-For.

(Also, careful using X-Forwarded-For because it could contain more
than one IP address in the case of a chain of proxies.)

Joshua.

I did try to use X-Forwarded-For directly. But I did not get any value there.

Anand

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