How To Enable or Disable Firewall on Ubuntu 22.04 or 20.04 In 2024

How To Enable or Disable firewall on Ubuntu 22.04/20.04

Firewall is all about protecting your system from any possible threats. Without any further explanation, let’s go through the process where we will you the method to enable or disable firewall on Ubuntu based operating systems.

Enable or Disable Firewall on Ubuntu 22.04 or 20.04

Run the following command to find out the status of UFW firewall in your Ubuntu using the command.

sudo ufw status

Output:

steve@ubuntu-linux:~$ sudo ufw status
Status: inactive
steve@ubuntu-linux:~$

The firewall in your Ubuntun is inactive, as Ubuntu distro does not enable this by default for new installations.

Enable UFW Firewall on Ubuntu

Now to enable firewall in Ubuntu, You can add UFW rules while the service is inactive, allowing the SSH service.

sudo ufw allow ssh

Example output:

steve@ubuntu-linux:~$ sudo ufw allow ssh
Rules updated
Rules updated (v6)

Now run the following command to enable the firewall.

sudo ufw <enable

Example output:

steve@ubuntu-linux:~$ sudo ufw enable
Firewall is active and enabled on system startup

Next, You can run the following command to check your Ubuntu firewall by re-using the ufw status command.

sudo ufw status

Example output:

steve@ubuntu-linux:~$ sudo ufw status
Status: active

To                         Action      From
--                          ------         ----
22/tcp                 ALLOW    Anywhere                  
22/tcp (v6)            ALLOW    Anywhere (v6)

Disable UFW Firewall on Ubuntu Linux

Run the following command to disable the UFW firewall on Ubuntu.

sudo ufw disable

Example output:

steve@ubuntu-linux:~$ sudo ufw disable
Firewall stopped and disabled on system startup

Conclusion

In this Ubuntu tutorial, We taught you how to enable or disable the UFW firewall on Ubuntu Linux from  the command line . Let us know if you have any other way to enable or disable firewall in Ubuntu Linux.

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