FreeBSD Jail Permanent Port Forwarding

README.md

FreeBSD Jail Permanent Port Forwarding

Configures jail to forward external ports to a different loopback port within a given jail.

vi /etc/ipfw.rules       # Add ipfw.rules from gist
chmod +x /etc/ipfw.rules # Enable script execution
crontab -e               # Add crontab.conf from gist

References

• https://knowm.org/port-forwarding-80-to-8080-using-ipfw-on-mac-os-x/
• https://www.freebsd.org/doc/handbook/firewalls-ipfw.html
• https://unix.stackexchange.com/a/10791
• https://stackoverflow.com/a/697064/3220865

crontab.conf

@reboot /etc/ipfw.rules

ipfw.rules

ipfw -q -f flush # Delete existing rules
ipfw add 100 fwd 127.0.0.1,9091 tcp from any to any 80 in # Forward 80 -> 9091