Your 'ufw status verbose' output shows that you have no application rules in your firewall. Packets are being blocked because you have a default 'deny' policy. While the default application policy is 'allow', you have no rules referencing the application in your firewall. You must do either: $ sudo ufw app update --add-new OpenSSH
*or*: $ sudo ufw allow OpenSSH -- ufw app profile not working https://bugs.launchpad.net/bugs/311894 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs