ipkungfu software package provides iptables-based Linux firewall, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ipkungfu
ipkungfu is installed in your system.
Make ensure the ipkungfu package were installed using the commands given below,
$ sudo dpkg-query -l | grep ipkungfu *
You will get with ipkungfu package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Network |
| Package | ipkungfu |
| Version | 0.6.1-6ubuntu1 |
| Description | iptables-based Linux firewall |
| Sub Section | Net |