Saving pf state for accounting

[DA Forsyth]

On 29 Jan 2009 , freebsd-questions-request at freebsd.org entreated 
about
 "freebsd-questions Digest, Vol 246, Issue 69":

> Date: Thu, 29 Jan 2009 14:47:51 +0200
> Subject: Saving pf state for accounting
> 
> Hi guys,
> 
> My server uses up tons of bandwidth every month and I'd like to start 
> recording what traffic volumes my different services chew up on a 
> monthly basis. My firewall utility of choice is pf and I've recently 
> come across its neat "label" facility so that I can do a simple "pfctl 
> -sl" to get the latest readings.
> 
> That's all fair and well but I lose all that lovely accounting 
> information upon reboot so how do I go about saving this? I've googled 
> quite a bit to look for a solution but have found nothing useful so far, 
> just unanswered posts in the past.
> 
>  From what I can tell so far I'd have to write a custom rc script which 
> redirects "pfctl -sl" into some sort of logfile which then may be 
> retrieved at a later stage (and added to current counter output). Is 
> there an easier way perhaps?

I'd use MRTG to store the numbers continuously, viewable as graphs.
--
       DA Fo rsyth            Network Supervisor
Principal Technical Officer -- Institute for Water Research
http://www.ru.ac.za/institutes/iwr/