Personal documentation


ufw is an uncomplicated firewall used to block and allow traffic


You can install ufw with apt

apt install ufw

Using ufw

To allow or deny ports you can use following commands

ufw allow 22 # to allow port 22

ufw deny 53 # to deny port 53

You can later start and enable ufw

ufw enable

To see status of ufw you can use the following command

ufw status

Status: active

To                         Action      From
--                         ------      ----
22                         ALLOW       Anywhere                  
53                         DENY        Anywhere                  
22 (v6)                    ALLOW       Anywhere (v6)             
53 (v6)                    DENY        Anywhere (v6)

Title: UFW

Author: Flaxplax

Publish Date: 23, Apr 2024

Last updated: 23, Apr 2024