rails_port_forwarding.md

Ref:https://apple.stackexchange.com/questions/230300/what-is-the-modern-way-to-do-port-forwarding-on-el-capitan-forward-port-80-to

Forward port 80 to 3000

echo "
rdr pass inet proto tcp from any to any port 80 -> 127.0.0.1 port 8080
" | sudo pfctl -ef -

Taken from https://salferrarello.com/mac-pfctl-port-forwarding/

To remove

sudo pfctl -F all -f /etc/pf.conf

Display your current port forwarding rules

sudo pfctl -s nat