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

1 vote112 views1 answer
Batch copy silent
Shell/Bash
8 votes112 views2 answers
Ssh-keygen
Shell/Bash
0 vote143 views1 answer
How to reset local git credentials of android studio
Shell/Bash
0 vote113 views1 answer
How to use nohup
Shell/Bash
0 vote125 views1 answer
Bash command to move all files to a dir
Shell/Bash
1 vote128 views1 answer
How to open explorer in wsl linux directory
Shell/Bash
0 vote116 views1 answer
Error: refs/remotes/origin/PLAT-4366 does not point to a valid object!
Shell/Bash
30 votes110 views2 answers
How to upgrade in linux
Shell/Bash
0 vote110 views1 answer
How to update newer git version on ubuntu 18.04 by using command line terminal.
Shell/Bash
42 votes102 views3 answers
Cli check what is listening on port
Shell/Bash