Ubuntu is a popular Linux operating system that has its own firewall known as ufw (uncomplicated firewall). In Ubuntu we can enable or disable that firewall according to our requirements. It is recommended to keep the firewall turned on, but in some situations, such as troubleshooting or testing, you may need to disable the firewall. The firewall is the network security system
of an operating system that observes and maintains network traffic based on defined rules. The firewall also helps monitor networks, whether they are trusted or untrusted. In addition, they defend your computer from hackers by separating malicious network traffic. Ubuntu’s ufw firewall is an easy-to-use front-end for maintaining iptables firewall rules. Its main goal is to make firewall rule management much easier or hassle-free, as the name implies.
This article focuses on how to disable/turn off Ubuntu firewall. Use any of the approaches mentioned below to disable Ubuntu system ufw firewall successfully.
Method 1: Disable firewall in Ubuntu using
command line
To disable the firewall
using the terminal, follow the steps below
:
Step 1: Check the firewallstatus First check that the status of your ufw firewall, whether or not it is enabled to disable it, as the Ubuntu firewall is disabled by default, Run the command mentioned below to check its
status:
<img src
=”https://linuxhint.com/wp-content/uploads/2021/11/disable-firewall-ubuntu-01.png” alt=”” />
So, the status is “active”, this means that ufw is enabled on your Ubuntu system now you need to disable it.
Step 2: Disabling the firewall Now, if you are facing some major issues due to the firewall and want to disable it, run the command mentioned below on your Ubuntu system
:
<img src=
“https://linuxhint.com/wp-content/uploads/2021/11/disable-firewall-ubuntu-02.png” alt=””/> Now the firewall
is disabled as shown above and you can now perform the task that you could not do because the firewall was enabled.
Step 3 : Verification of the firewall status Now check the ufw firewall status again to confirm that the firewall is disabled using the following mentioned command
:
The firewall status is now disabled.
Method 2: Disable the firewall by gufw
The gufw utility is an easy-to-use graphical interface for ufw that allows you to manage your firewall without having to type ufw instructions on the command line. So if you want to disable ufw by graphical interface, follow the procedure below
: Step 1: Installing gufw Open the terminal and run the command mentioned below to install gufw:
<img src
=”https://linuxhint.com/wp-content/uploads/2021/11/disable-firewall-ubuntu-04.png” alt=”” /> Step 2: Start the gufw app Open “Activities” and type “gufw” in the
search bar and click on the gufwicon shown below
: 
An authentication dialog box will appear Enter your password and click “Authenticate
: 
A “Firewall” window opens
:
<img
src
=” https://linuxhint.com/wp-content/uploads/2021/11/disable-firewall-ubuntu-07.png” alt=”” />
Step 3: Disablingthe firewall Check its status
: <img src="https://linuxhint.com/wp-content/uploads/2021/11/disable-firewall-ubuntu-08.png"
alt=”” />
It is enabled at this time, turn it off by moving the bar to the left and the firewall will be disabled:
Conclusion
UFW or Uncomplicated FireWall is the Ubuntu firewall configuration tool that comes pre-installed. UFW has an easy-to-use front-end to maintain iptables firewall rules. Its main goal is to make firewall rule management easier or more simplistic, as the name implies. Sometimes it is necessary to disable this firewall due to testing purposes, in this article we describe two methods to disable / disable the firewall by command line interface and by gufw (graphical interface). You can follow any method that is easy for you.
