ABOUT COMANDS AND OPTIONS PF (PACKET FILTER) Commands and Options pfctl-e -> active PF pfctl-d -> disables PF pfctl-f -> if there are no syntax errors, new rules are loaded in PF Pf.conf file example # # Macros # Internal interface (connected to the local network). int_if = "xl0" # # Options # You set the default policy to return RSTs or ICMPs for traffic blocked September block-policy return # Ignore the loopback interface completely. September skip on lo0 # # Rules rerouting # NAT traffic on the interface group included within the default egress interface # (Which is assigned the output interface the default route) from the local network nat on egress from $ int_if: network to any -> (egress) # # Filter Rules # Default deny rule, all recorded in log blocked packets block log all # Pass all traffic to and from the local network, using quick to # After the rules are not assessed for this case. Some rules restrict # Local traffic more. pass quick on $ i...