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Uncomplicated Firewall - UFW

ufw service information​

check status​

ufw status

enable ufw​

ufw enable

disable ufw​

ufw disable

Firewall Policies​

default outgoing policy​

ufw default allow outgoing

default incoming policy​

ufw default deny incoming

Control traffic to services​

allow SSH​

ufw allow ssh
note

If ssh is not running on a default port 22 then apply the ufw command pointing to the port
Assuming ssh is running on port 2222
ufw allow 2222/tcp

dryrun​

       ufw [--dry-run] enable|disable|reload

       ufw [--dry-run] default allow|deny|reject [incoming|outgoing|routed]

       ufw [--dry-run] logging on|off|LEVEL

       ufw [--dry-run] reset

       ufw [--dry-run] status [verbose|numbered]

       ufw [--dry-run] show REPORT