Telnet Server Overview (1)

Telnet, as we all know, is a remote control protocol. We can use the settings of the Telnet server to effectively manage this function. Now we will introduce the basic concepts of the Telnet server. Hope to help you.

Telnet Server Overview

The Telnet server is the gateway of the Telnet client. when a MicrosoftTelnet server is running on a computer, you can use Telnet client to connect to the Telnet server from a remote computer. when a Telnet client connects to the Telnet server, the system requires a remote user to enter the user name and password. by default, only valid user names and passwords on the local server can be used to log on to the server.

After logging on, the user will receive a command prompt, and then the user can use it like in the Command Prompt window opened locally. however, by default, users cannot use applications that can interact with the desktop.

Telnet using the Telnet protocol part of the TCP/IP protocol suite) through the network to connect to a remote computer.

Telnet protocol license

Each set of Windows 2000 Server is installed with a Telnet Server installation protocol license.

The following table shows the maximum number of connections to the Telnet server at the same time:

Maximum number of connections installed on the Telnet Server

Windows 2000 Server 2

Windows XP Professional 2

The TelnetTelnet client works with the Telnet server to allow users to communicate with remote computers.

Telnet allows you to connect to a remote computer and interact with the computer through a terminal window.

The Telnet server allows a Telnet user to log on to the computer on which the Telnet server is running and run character-Mode Applications on the computer. the Telnet server acts as a gateway through which the client can communicate with each other. the Telnet server with Windows XP supports up to two Telnet clients at the same time. if you need an additional license, use "Microsoft Windows service Telnet server for UNIX products ".

The Telnet client section contains the following information:

1. Authentication

2. Telnet command

3. Session mode and command mode

4. Manage Telnet from the command line

1. Authentication:

You can use the local Windows user name and password or domain account information to access the Telnet server.

If the NTLM authentication option is not used, the user name and password will be sent to the Telnet server in plaintext.

If NTLM authentication is used, Telnet users will use the Windows XP security environment for authentication, and do not prompt users to provide the user name and password. the user name and password are encrypted.

If you set the password option to "Change Password Upon next login", you cannot use NTLM authentication to log on to the Telnet server. to make the logon successful, you must directly log on to the server, change the password, and then log on through Telnet.

If you use NTLM authentication to connect to the Telnet server, you cannot access other network resources due to this authentication restriction. to access network resources through Telnet sessions, you need to re-provide the user name and password to access the network drive.

2. Telnet command:

Telnet client command prompt to accept the following command:

Command description

Open uses open hostname portnumber to establish a Telnet connection to the host.

Use the close command to close the existing Telnet connection.

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

The command display can list the current operation parameters. if you are using a Telnet session to connect to the Telnet server, press CTRL +} to modify the parameters. this will exit the Telnet session. to return the Telnet session, press ENTER .) the available operation parameters are as follows:

Will auth (NTLM Authentication)

WONT AUTH

WILL TERM TYPE

WONT TERM TYPE

LOCALECHO off