libtelnet-utils 0.21-4 (amd64 binary) in ubuntu yakkety

 libtelnet is a small library for parsing the TELNET protocol,
 responding to TELNET commands via an event interface,
 and generating valid TELNET commands.
 .
 libtelnet includes support for the non-official MCCP, MCCP2, ZMP, and
 MSSP protocols used by MUD servers and clients.
 .
 This package contains a small set of utilities based on libtelnet for testing
 and debugging TELNET clients.