:: What is pf
Packet Filter (from here on referred to as PF) is OpenBSD’s system for filtering TCP/IP traffic and doing Network Address Translation.
 
:: How to disable pf on OpenBSD
+ disable manually

pfctl -d

+ disable permanent, need reboot the system

vi /etc/rc.conf.local
## add the line:
pf=NO

 
:: Links
+ Google
+ OpenBSD