For all telnet options, re-implement the default telnetlib behaviour
        and refuse to handle any options. If the server expresses interest in
        'terminal type' option, then reply back with 'xterm' terminal type.

def _process_option(self, tsocket, command, option):
        """
        For all telnet options, re-implement the default telnetlib behaviour
        and refuse to handle any options. If the server expresses interest in
        'terminal type' option, then reply back with 'xterm' terminal type.
        """
        if command == DO and option == TTYPE:
            tsocket.sendall(IAC + WILL + TTYPE)
            tsocket.sendall(IAC + SB + TTYPE + b"\0" + b"xterm" + IAC + SE)
        elif command in (DO, DONT):
            tsocket.sendall(IAC + WONT + option)
        elif command in (WILL, WONT):
            tsocket.sendall(IAC + DONT + option)