Block UDP traffic in macOS

traffic-control-macos.sh

#!/bin/bash

# kbit
LINK_BW="800"

RAND_LOSS="0.00"

# ms
DELAY=0

# ms
QDELAY=1000

TB_QSIZE=`expr $LINK_BW \* $QDELAY / 8000` # K

start()
{
    #dnctl pipe 1 config bw 500Kbit/s
    #dnctl pipe 1 config plr 0.12 bw 1000Kbit/s
    echo "block out proto udp from any to any port 9000" > /tmp/rules
    echo "block out proto udp from any to any port 8801" >> /tmp/rules
    echo "block out proto udp from any to any port 5004" >> /tmp/rules
    #echo "block out proto tcp from any to any port 5004" >> /tmp/rules
    echo "block out proto udp from any to any port 33434" >> /tmp/rules
    echo "block out proto udp from any to 192.168.1.240" >> /tmp/rules
    echo "block out proto udp from any to 192.168.1.130" >> /tmp/rules
    echo "block out proto udp from any to 10.22.132.171" >> /tmp/rules
    echo "block out proto udp from 10.22.132.17 to any" >> /tmp/rules
    #echo "block out proto tcp from any to any port 8801" >> /tmp/rules
    #echo "block out proto tcp from any to 171.71.196.137" >> /tmp/rules
    #echo "block out proto tcp from any to 216.58.195.69" >> /tmp/rules
    #echo "block out proto tcp from any to 13.59.223.245" >> /tmp/rules
    #echo "block out proto tcp from any to 69.174.108.151" >> /tmp/rules
    #echo "block out proto tcp from any to 52.8.121.152" >> /tmp/rules
    
    #dnctl pipe 1 config delay 300 plr 0.00
    #echo "dummynet out from any to any pipe 1" >> /tmp/rules
    
    #dnctl pipe 1 config delay $DELAY bw "$LINK_BW"Kbit/s plr $RAND_LOSS queue "$TB_QSIZE"KB
    #echo "dummynet out from any to any pipe 1" >> /tmp/rules
    #dnctl pipe 2 config delay $DELAY bw "$LINK_BW"Kbit/s plr $RAND_LOSS queue "$TB_QSIZE"KB
    #echo "dummynet in from any to any pipe 2" >> /tmp/rules

    #dnctl pipe 1 config delay $DELAY bw "$LINK_BW"Kbit/s plr $RAND_LOSS
    #echo "dummynet out from any to any pipe 1" >> /tmp/rules
    #dnctl pipe 2 config delay $DELAY bw "$LINK_BW"Kbit/s plr $RAND_LOSS
    #echo "dummynet in from any to any pipe 2" >> /tmp/rules

    #dnctl pipe 2 config delay 50 bw 500Kbit/s
    #dnctl pipe 3 config delay 50 bw 500Kbit/s
    #echo "dummynet out from any to 69.174.108.151 pipe 2" >> /tmp/rules
    #echo "dummynet out from any to 173.36.203.67 pipe 3" >> /tmp/rules

    #dnctl pipe 2 config delay 50 bw 500Kbit/s
    #dnctl pipe 3 config delay 50 bw 500Kbit/s
    #echo "dummynet out from any to 69.174.108.189 pipe 2" >> /tmp/rules
    #echo "dummynet out from any to 66.114.162.38 pipe 3" >> /tmp/rules

    sudo pfctl -f /tmp/rules
    #echo "block in proto udp from any to any"  | sudo pfctl -f -
    #dnctl pipe 1 config plr 0.15
    #echo "dummynet out proto udp from any to any pipe 1" | sudo pfctl -f -
    pfctl -e
    dnctl show
}

stop()
{
    pfctl -f /etc/pf.conf 
    pfctl -d
    dnctl -q flush
    dnctl show
}

case "$1" in

start)
        start
        ;;

stop)
        stop
        ;;
restart)
        stop
	start
        ;;
esac