For me,don`t work
I copy and paste your config and :
No ALTQ support in kernel
ALTQ related functions disabled
/etc/pf.conf:41: syntax error
pfctl: Syntax error in config file: pf rules not loaded
The problems is at :
Rate limits, trial and error
pass in on $ext_if proto tcp to any port $service_ports flags S/SA keep state
(max-src-conn 30, max-src-conn-rate 15/5, overload flush)
pass in on $ext_if proto {tcp,udp} to any port $game_ports flags S/SA keep state
(max-src-conn 30, max-src-conn-rate 15/5, overload flush)