On Thu, 16 Dec 2004 10:59:04 -0500, Chet Harvey <chet at pittech dot com> wrote:
> I believe (someone correct me if I am wrong) that per IP stats can be captured
> if you turn on logging for all outbound and then set your syslogging to a remote
> syslog server. From the syslog server you can run MRTG or Analog or whatever
> flavor of log parsing you prefer for you statistics.
> 

Yes, it's roughly documented now, I'm (slowly) getting it in decent
shape as time permits.
http://m0n0.ch/wall/docbook/faq-per-ip-monitoring.html

-Chris