ufw disable/enable
ufw status verbose
ufw status numbered
ufw delete NUM
ufw delete deny NUM
ufw insert 1 deny in from XXX.XXX.XXX.XXX to any port 25 proto tcp
ufw app info 'OpenSSH' (see /etc/ufw/applications.d)
ufw allow proto tcp from XXX.XXX.XXX.XXX/24 to any port YYYY
ufw reload (to apply rules)
ufw allow in on eth0 to any port 22
ufw logging on/off/low/medium/high/full
fot NAT - /etc/ufw/before.rules
ufw status verbose
ufw status numbered
ufw delete NUM
ufw delete deny NUM
ufw insert 1 deny in from XXX.XXX.XXX.XXX to any port 25 proto tcp
ufw app info 'OpenSSH' (see /etc/ufw/applications.d)
ufw allow proto tcp from XXX.XXX.XXX.XXX/24 to any port YYYY
ufw reload (to apply rules)
ufw allow in on eth0 to any port 22
ufw logging on/off/low/medium/high/full
fot NAT - /etc/ufw/before.rules
ufw allow 22/tcp comment 'open port 22 for ssh'
ufw allow <PORTFROM>:<PORTTO>/udp
