Binary package “lsh-server” in ubuntu bionic

Secure Shell v2 (SSH2) protocol server

 lsh is a GPLed implementation of the Secure SHell protocol version 2
 (SSH2), a secure replacement for rlogin, rsh, and rcp.
 .
 This package contains the lsh server, lshd. This package is required
 to allow SSH2 logins to the local machine.
 .
 In some countries it may be illegal to use any encryption
 at all without a special permit.