ipf and pf are quite a bit different. should this particular chapter be split into pf and ipf chapters? -jdq

What about ipfw? Another chapter? AndreasKuehl

> The book should not introduce configuring rulesets using PF, IPF or IPFW, so doesn't need separate chapters. The BSD 
> Certification Group has decided based on the survey that the "associate" (beginning BSD admin) only needs to:
>
> - Recognize which firewalls are available on each BSD and which commands are used to view each firewall's ruleset. [[here|Recognize_BSD_firewalls_and_rulesets]]
>
> - And recognize the utilities available on BSD systems to create bandwidth policies. [[here|Recognize_the_BSD_utilities_that_shape_traffic_or_control_bandwidth]]
>
> --reed