In Apache 2, it's built in to mod_proxy. In Apache 1 (as of a couple of years ago, at least) it wasn't - that's why mod_proxy_add_forward was originally written :)
Issac Michael Schout wrote: > David Romero wrote: >> Hi >> I need the client ip on a backend server. > > Plain old mod_proxy will pass along the ip in an X-Forwarded-For header. > > Regards, > Michael Schout