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 vote326 views1 answer
Install virtualenv ubuntu 18.04 stackoverflow
Shell/Bash
0 vote362 views1 answer
Unix:///var/run/supervisor.sock no such file
Shell/Bash
8 votes292 views1 answer
Tar gzip folder command line
Shell/Bash
0 vote292 views2 answers
How to unrar multiple files at once linux
Shell/Bash
117 votes311 views6 answers
Install latest node js ubuntu
Shell/Bash
0 vote301 views1 answer
How to list banned IP ubuntu
Shell/Bash
0 vote319 views1 answer
Show commit differences between branches git
Shell/Bash
0 vote318 views1 answer
Linux reset date on file
Shell/Bash
0 vote313 views1 answer
How to do a sudo reboot on raspberry pi
Shell/Bash
0 vote304 views1 answer
Vtex cli install
Shell/Bash