# options set block-policy drop set loginterface $ext_if
# scrub scrub in all scrub out on $ext_if all random-id max-mss 1414
# nat all int -> ext nat on $ext_if from $int_if:network to any -> ($ext_if) rdr pass on $ext_if inet proto udp from any to any port sip -> 192.168.0.230 port sip