cryptcat software package provides A lightweight version netcat extended with twofish encryption, 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 cryptcat
cryptcat is installed in your system.
Make ensure the cryptcat package were installed using the commands given below,
$ sudo dpkg-query -l | grep cryptcat *
You will get with cryptcat package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Network |
| Package | cryptcat |
| Version | 20031202-4 |
| Description | A lightweight version netcat extended with twofish encryption |
| Sub Section | Net |