Protocol: tcp udp
Enable Firewall
sudo ufw enable
Disable Firewall
sudo ufw disable
View Firewall Status
# Simplesudo ufw status# Verbosesudo ufw status verbose
Firewall Rules
# Display Firewall Rule Numberssudo ufw status numbered# Delete Firewall Rule by Numbersudo ufw delete [Number]
View Firewall Default Policy
ufw status verbose | grep -i default
Change Firewall Default Policy
ufw default allow|deny|reject [incoming|outgoing|routed]
Allow IP Address/Range
ufw allow from [Remote IP] to [Local IP] proto [Protocol] port [Incoming Port]
Deny IP Address/Range
ufw deny from [Remote IP] to [Local IP] proto [Protocol] port [Incoming Port]
Allow port
ufw allow [Incoming Port]/[Protocol]
Deny port
ufw deny [Incoming Port]/[Protocol]
Delete Firewall Rule
ufw delete allow ...ufw delete deny ...
Remove all Firewall Rules
ufw reset