header() redirect IP

[hokie5449]

If I do something like header(Location: www.url.com).  Is there a way that url.com would be able to get the IP from the server that did the redirect?  It looks like $_SERVER["REMOTE_ADDR"] returns the clients IP address which isnt what I need.

 

Thanks

[taquitosensei]

what you're looking for is

$_SERVER['HTTP_REFERER']; 

 

[Pikachu2000]

You could append it to the URL as a GET var.

 

header('Location: http://www.domain.com' . $_SERVER['SERVER_ADDR']);

[hokie5449]

Can't HTTP_REFERER be altered and therefore not very secure?  I need this for security purposes which also rules out appending it to the end of the URL.

 

Thanks

[requinix]

Can't HTTP_REFERER be altered and therefore not very secure?  I need this for security purposes which also rules out appending it to the end of the URL.

Then (and pardon my French) you're screwed. By using a redirect like that you're already giving the client some latitude. If you can't trust them to keep the referrer correct then you probably shouldn't be trusting it to redirect properly either.

 

I think the closest you'll get, without establishing some kind of authentication scheme with the other server, would be what Pikachu said: append the server IP to the redirect URL.