How do I activate Ip tables or UFW with ease. Also, use elevation to activate

Question

How do I activate Ip tables or UFW with ease. Also, use elevation to activate. Further once active how to I block all unsolicited incoming coneections and yet allow all outgoing connections

Answer 1

At it's simplest, enable ufw with sudo ufw enable and enter your password. That's it. By default, it will block all incoming connections, but allow outgoing.

I prefer gufw as a graphical interface to ufw. Do sudo apt-get install gufw and then run the application from the Dash by searching for "firewall".