Answer for Telnet port accept outside connections
Yes, you can access the EMS via Telnet using a remote machine. To do this, you need to edit the EMS configuation file, config.lua, and modify the CLI acceptors section. The IP address for protocol "inboundJsonCli" should be set as shown below:
The comments can be omitted ("–" and the trailing text on the same line). Restart the EMS after saving the edited configuration file.
ip="0.0.0.0", -- the default is "127.0.0.1" for localhost access only