gufw
Uncomplicated Firewall
An easy, intuitive, way to manage your Linux firewall. It supports common tasks such as allowing or blocking pre-configured, common p2p, or individual ports port(s), and many others!
There is no official package available for openSUSE Leap 15.1Distributions
openSUSE Tumbleweed
openSUSE Leap 15.2
openSUSE Leap 15.1
SUSE SLE-15
Debian 10
Debian 9.0
Ubuntu 18.04
Ubuntu 16.04
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.