cntlm software package provides Fast NTLM authentication proxy with tunneling, 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 cntlm
cntlm is installed in your system.
Make ensure the cntlm package were installed using the commands given below,
$ sudo dpkg-query -l | grep cntlm *
You will get with cntlm package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Network |
| Package | cntlm |
| Version | 0.92.3-1ubuntu1 |
| Description | Fast NTLM authentication proxy with tunneling |
| Sub Section | Net |