EW50 Industrial LTE Cellular Gateway
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6.1.4 Telnet with CLI
A command-line interface (CLI), also known as command-line user interface, and console user interface are
means of interacting with a computer program where the user (or client) issues commands to the program in
the form of successive lines of text (command lines). The interface is usually implemented with a command
line shell, which is a program that accepts commands as text input and converts commands to appropriate
operating system functions. Programs with command-line interfaces are generally easier to automate via
scripting. The device supports both Telnet and SSH (Secure Shell) CLI with default service port 23 and 22,
respectively.
Telnet & SSH Scenario
Scenario Application Timing
When the administrator of the gateway wants to manage it from remote site in the Intranet or
Internet, he/she may use "Telnet with CLI" function to do that by using Telnet or SSH utility.
Scenario Description
The Local Admin or the Remote Admin can manage the Gateway by using Telnet or SSH utility with
privileged user name and password.
The data packets between the Local Admin and the Gateway or between the Remote Admin and the
Gateway can be plain text or encrypted text. It is suggested to use plain text in the Intranet for Local
Admin to use Telnet, and encrypted text in the Internet for Remote Admin to use SSH.
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General