Packet Filter (PF)

Packet Filter (PF) is OpenBSD’s system for filtering TCP/IP traffic and doing Network Address Translation. PF is also capable of normalizing and conditioning TCP/IP traffic and providing bandwidth control and packet prioritization. To enable PF, we have to edit /etc/rc.conf. pf=YES To be able to do NAT, we have to edit /etc/sysctl.conf as well. net.inet.ip.forwarding=1 […]