Disable ubuntu firewall

Disable ufw

$ sudo ufw disable
Firewall stopped and disabled on system startup

Source: linuxconfig.org

Firewall in ubuntu 18.04

Managing UFW from command line
UFW ( Uncomplicated Firewall ) firewall is a default firewall on Ubuntu 18.04 Bionic Beaver Linux.
Check a current firewall status
By default the UFW is disabled. You can check the status of your firewall by executing the following linux command:

$ sudo ufw status
[sudo] password for linuxconfig: 
Status: inactive

For more verbose output append word verbose to the above command:

$ sudo ufw status verbose

Enable Firewall
To enable firewall execute:

$ sudo ufw enable
Command may disrupt existing ssh connections. Proceed with operation (y|n)? y
Firewall is active and enabled on system startup

Firewall, is now enabled:

$ sudo ufw status
Status: active

Source: linuxconfig.org

Disable ubuntu firewall

sudo ufw enable
sudo ufw disable

Source: linuxconfig.org

Similar codes

0 vote311 views10 answers
What is the different from Git and GitHub
Shell/Bash
1 vote326 views1 answer
Cp folder ubuntu include git
Shell/Bash
18 votes355 views2 answers
Download teamviewer for ubuntu using terminal
Shell/Bash
0 vote492 views1 answer
Unsupported upgrade request.
Shell/Bash
17 votes347 views3 answers
Delete a github repository using bash
Shell/Bash
5 votes359 views2 answers
List groups of an user Linux
Shell/Bash
0 vote405 views1 answer
Brew installs slack homebew
Shell/Bash
5 votes333 views2 answers
More than one DbContext was found. Specify which one to use. Use the '-Context' parameter for PowerShell commands and the '--context' parameter for dotnet commands.
Shell/Bash
1 vote342 views1 answer
Group of user ubuntu
Shell/Bash
0 vote376 views1 answer
Eclipse in ubuntu snap
Shell/Bash