traffic accounting per username with ipfw in 5.4 ? (more)

[Richard Burakowski]

>>I notice that the traffic accounting per uid only applies to traffic
>>initiated by that user, and initiated from the local machine.  If I scp a
>>
>I've looked a bit into this, and it appears that sshd changes uid in FreeBSD 
>6.0 (I use 6.0RC1) .. I bet upgrading the system would be a lot easier than 
>constructing a complex  traffic-accounting system.. I'd think so at least..
>
sshd_config(5) UsePrivilegeSeparation

&&

cd /usr/ports
make search key=accounting
...
Port:   ipacctd-1.46_1
Path:   /usr/ports/net-mgmt/ipacctd
Info:   IP accounting using divert socket
Maint:  skv at FreeBSD.org
...
among others