How to use IPTABLES on Kali Linux
GUI for Uncomplicated Firewall (Gufw) is, as the name states, a graphical user interface for UFW (Uncomplicated Firewall). It has been designed for Ubuntu, but is also available in other Debian based distributions and in Arch Linux.
To install Gufw run from Terminal:
apt-get install gufw
To start GUFW from Terminal: