set limit { states 100000, frags 5000 }
ext_if="fxp0"
int_if="fxp1"
all_ifs = "{" $ext_if $int_if pfsync0 pflog0 carp1 carp2 lo0 "}"

internal_net="10.11.12.0/24"
external_addr="192.168.1.17"

scrub in all

rdr on $ext_if proto tcp from any to any port 80 -> 10.11.12.13 port 80

pass in all
pass out all