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 ufw

$ sudo ufw status
Status: inactive

Source: linuxconfig.org

Similar codes

0 vote302 views1 answer
Cmd line install team viever
Shell/Bash
3 votes302 views2 answers
Git remove file from repo that has been added to gitignore
Shell/Bash
0 vote297 views1 answer
Install gitlab runner on centos
Shell/Bash
0 vote320 views1 answer
Powershell write UnauthorizedAccessException
Shell/Bash
0 vote344 views2 answers
Sudo apt install xfce4 xfce4-goodies -y
Shell/Bash
15 votes344 views6 answers
Wine install ubuntu
Shell/Bash
1 vote317 views1 answer
Load new etc rules
Shell/Bash
2 votes330 views2 answers
A template was not provided. This is likely because you're using an outdated version of create-react-app. Please note that global installs of create-react-app are no longer supported.
Shell/Bash
1 vote370 views1 answer
Show weather top bar in ubuntu
Shell/Bash
11 votes322 views3 answers
Git log one line
Shell/Bash