Install cntlm by entering the following commands in the terminal:
sudo apt update sudo apt install cntlm
Description:
Fast NTLM authentication proxy with tunneling
Cntlm is a fast and efficient NTLM proxy, with support for TCP/IP tunneling, authenticated connection caching, ACLs, proper daemon logging and behaviour and much more. It has up to ten times faster responses than similar NTLM proxies, while using by orders or magnitude less RAM and CPU. Manual page contains detailed information.
Homepage: http://cntlm.sourceforge.net/
Version: 0.92.3-1ubuntu2
Section: universe/net