Win10 system Ping port and Ping port with telnet command

Enable the Telnet client component to prepare for Ping ports

1. Under Program interface, select "Turn Windows features on or off" as shown in:
2. In the dialog box that opens, locate the Telnet client and tick. Finally click "OK", wait a few minutes, the system will open the Telnet client service for you, as shown in:

Ways to Ping ports with the Telnet command

1. Enter the Telnet test port command: "telnet IP port or telnet domain name port" and enter as shown:

2. If the port is closed or cannot be connected, a link to the host cannot be opened, and the window prompts: The connection failed, as shown in:

3. If the port is open, the link succeeds and then goes to the Telnet page (All Black), proving that the port is available, as shown in:

4. There are other common commands for Telnet:

   Open: Use Openhostname to establish a Telnet connection to the host.

   Close: Use the command Close command to close an existing Telnet connection.

   Display: Use the display command to view the current settings of the Telnet client.

   Send: Use the Send command to send commands to the Telnet server. The following commands are supported:

   AO: Discards the output command.

   Ayt: "Is You There" command.

   ESC: Sends the current escape character.

   IP: Interrupt process command.

   Synch: Performs a Telnet synchronization operation.

   BRK: Sends a signal.

   Quit: Use the QUIT command to exit the Telnet client.

Win10 system Ping port and Ping port with telnet command