UFW
ufw route allow proto tcp from any to any port 22
ufw route delete allow proto tcp from any to any port 22
ufw route allow proto tcp from any to 172.20.0.2 port 22
ufw route delete allow proto tcp from any to 172.20.0.2 port 22
ufw route allow proto tcp from any to any port 22
ufw route delete allow proto tcp from any to any port 22
ufw route allow proto tcp from any to 172.20.0.2 port 22
ufw route delete allow proto tcp from any to 172.20.0.2 port 22