ufw

linux

Uncomplicated Firewall. Frontend for `iptables` aiming to make configuration of a firewall easier.

Examples (8)

Enable `ufw`

sudo ufw enable

Disable `ufw`

sudo ufw disable

Show `ufw` rules, along with their numbers

sudo ufw status numbered

Allow incoming traffic on port 5432 on this host with a comment identifying the service

sudo ufw allow 5432 comment "Service"

Allow only TCP traffic from 192.168.0.4 to any address on this host, on port 22

sudo ufw allow proto tcp from 192.168.0.4 to any port 22

Deny traffic on port 80 on this host

sudo ufw deny 80

Deny all UDP traffic to ports in range 8412:8500

sudo ufw deny proto udp from any to any port 8412:8500

Delete a particular rule. The rule number can be retrieved from the `ufw status numbered` command

sudo ufw delete rule_number