What about iptables?
See this example from the Oracle trial install guide: https://meta.discourse.org/t/install-discourse-on-oracle-cloud-free-tier/215749#configure-ubuntus-firewall-iptables-11
What about iptables?
See this example from the Oracle trial install guide: https://meta.discourse.org/t/install-discourse-on-oracle-cloud-free-tier/215749#configure-ubuntus-firewall-iptables-11