How to Enable or Disable Firewall on Ubuntu 18.04 LTS?
UFW ( Uncomplicated Firewall ) firewall is a default Firewall on ubuntu 18.04 LTS.
By Default, UFW is disabled.
To Enable UFW:-
Step 1: Check current firewall status:-
sudo ufw status
Step 2: To Enable Firewall:-
sudo ufw enable
Step 3: To check Status:-
sudo ufw status
To Disable UFW:-
Step 1: To Disable Firewall:-
sudo ufw disable
Step 2: To check Status:-
sudo ufw status
It's done
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