[Sysadmins] FreeBSD / Traffic Monitoring

Darragh Delaney darragh.delaney at gmail.com
Fri Mar 30 11:06:09 IST 2012

Hi Harry,
We have a commercial product called LANGuardian which sits on a FreeBSD
kernal. Its main source if data is usually a SPAN port and does things like
traffic analysis, web reporting, file share activity and a form of user

Its available as a 30 day trial from www.netfort.com I could extend that if
you could share some feedback with the group.


On Thu, Mar 29, 2012 at 6:22 PM, Harry Duncan <usr.src.linux at gmail.com>wrote:

> Been playing with FreeBSD and PF for use as a firewall/gateway at an
> office at a voluntary organisation that I'm helping out at. Chose
> FreeBSD because I wanted to try pf.
> The organisation want to implement traffic analysis, monitor what
> clients are doing, eg, be able to tell if someone is spending x hours
> per day on skype chat or MSN. Basically the new boss had some
> Microsoft Windows equivalent at her last place, and wants to implement
> the same thing.
> Seperately there have been some complaints about net speeds during the
> day, and I think it might just be a usage issue, there is a mix
> between business and residential use on their broadband line with 120
> patched in data points and anything up to 50% active at times.
> Looking for recommendations for a tool to install on FreeBSD to cover
> both requirements in one swoop, monitor bandwidth consumption
> throughout the day and maintain logs of what hosts are doing over what
> protocols to identify traffic that shouldn't be there.
> Have googled it and come up with darkstat, just not sure how it stacks
> up in the real world on the historical reporting.
> Anybody got any experience in this area and suggest if thats the way
> to go or if a mix of mrtg and something else is what I need?
> Harry.
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