----- "J.Lance Wilkinson" <jlw12@xxxxxxxxxxxxxxx> wrote:
> I've got Apache 2.2.6 in production and we're *trialling* a new load
> balancer
> which is able to create an X-FORWARDED-FOR header.
>
> I wanted to keep things simple as possible, and it looked like
> mod_remoteip was
> the module I wanted to use for this purpose. Simply using the
> mod_remoteip
> directive "RemoteIPHeader X-Forwarded-For" should do what I wanted.
>
> Then I found out how difficult it was to FIND the source for
> mod_remoteip. The
> website decribed it as a BASE module, but that is apparently for
> Apache 2.3 and
> up, since it's not evident in my 2.2.6 sources.
mod_remoteip is a module from 2.3
http://httpd.apache.org/docs/trunk/mod/mod_remoteip.html
Thus you can find it in:
Apache httpd's subversion respository in /trunk/
https://svn.apache.org/repos/asf/httpd/httpd/trunk/modules/proxy/
> FINALLY (and this was a few weeks ago so I don't recall where) I found
> a source
> file for mod_remoteip.c.
>
> Then off to several conferences and returning to the office, I learn
> the trial
> load balancer is on its way out the door in the next day or so.
>
> Trying to compile mod_remoteip.c, I get errors suggesting that there
> was
> apparently a change in the structure of modules between when this
> source was
> created and the APXS that I'm trying to use from Apache 2.2.6 --
>
> # /dlt/sw/httpd-2.2.6-cosign/bin/apxs -c mod_remoteip.c
> /dlt/sw/httpd-2.2.6-cosign/build/libtool --silent --mode=compile cc
> -prefer-pic
> -DSOLARIS2=10 -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT
> -D_LARGEFILE64_SOURCE
> -g -I/dlt/sw/httpd-2.2.6-cosign/include
> -I/dlt/sw/httpd-2.2.6-cosign/include
> -I/dlt/sw/httpd-2.2.6-cosign/include -c -o mod_remoteip.lo
> mod_remoteip.c
> && touch mod_remoteip.slo
> "mod_remoteip.c", line 481: warning: function prototype parameters
> must have types
> "mod_remoteip.c", line 481: warning: old-style declaration or
> incorrect type
> for: AP_DECLARE_MODULE
> "mod_remoteip.c", line 481: cannot initialize function:
> AP_DECLARE_MODULE
> "mod_remoteip.c", line 481: cannot recover from previous errors
> cc: acomp failed for mod_remoteip.c
> apxs:Error: Command failed with rc=65536
> .
> #
Yup, looks like it won't work with 2.2...
> Short of modifying the source code to backfit it to 2.2.6 (which I am
> at a loss
> how to do), it's been suggested I look at mod_proxy, which is
> apparently part
> of the base for 2.2.6 (I am explicitly NOT loading this module right
> now).
> But I don't see the header "X-Forwarded-For" cited anywhere in the
> mod_proxy
> documentation, and I would expect that if this is a typical use of
> mod_proxy,
> there'd be SOMETHING like that noted there.
>
> Thoughts on either the refitting for Apache 2.2.6 of mod_remoteip,
> using
> mod_proxy for the same purpose, or some other method of achieving this
> with the
> module's I've got to work with?
Have you considered using mod_rpaf for this kind of fun?
http://stderr.net/apache/rpaf/
It's a module for 2.2, that does exactly that.
> --
> J.Lance Wilkinson ("Lance") InterNet: Lance.Wilkinson@xxxxxxx
> Systems Design Specialist - Lead Phone: (814) 865-4870
> Digital Library Technologies FAX: (814) 863-3560
> E3 Paterno Library
> Penn State University
> University Park, PA 16802
>
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--
Igor GaliÄ
Tel: +43 (0) 664 886 22 883
Mail: i.galic@xxxxxxxxxxxxxx
URL: http://brainsware.org/
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