ufw [--dry-run] enable|disable|reload
ufw [--dry-run] default allow|deny|reject [incoming|outgoing]
ufw [--dry-run] logging on|off|LEVEL
toggle logging. Logged packets use the LOG_KERN syslog facility. Systems configured for rsyslog
support may also log to /var/log/ufw.log. Specifying a LEVEL turns logging on for the specified LEVEL.
