es muy bueno y super facil. (it's very good and super easy)
great to use with gufw
Nice, simple, free firewall for Linux!
The gui of this tool is gufw
Easy firewall. I use it with Gufw, the graphical interface. Works flawless.
UFW does start at boot as suppose too!
Easy and effective! Recommended.
easiest command line firewall config tool I know.