How to enable & disable firewall on Ubuntu 18.04
The objective is to show you how to enable and disable firewall on Ubuntu 18.04. By default the UFW is disabled. You can check the status of your firewall by executing the following linux command given below.
Check a current firewall status Command:
$ sudo ufw status
Enable Firewall Command:
$ sudo ufw enable
Disable Firewall Command:
$ sudo ufw disable
Install UFW via graphical user interface Command:
$ sudo apt install gufw
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