The telnet protocol is a member of the TCP/IP protocol family and is the standard protocol and main method for Internet remote login services. It provides users with the ability to complete remote host work on their local computer. Use the telnet program on the end user's computer to connect to the server.
Terminal users can enter commands in the telnet program, and these commands will be run on the server, just like entering them directly on the server's console, and they can control the server locally. To start a telnet session, you must enter your username and password to log in to the server. Telnet is a commonly used method of remotely controlling Web servers.
When using the Telnet protocol for remote login, the following conditions need to be met: the client program containing the Telnet protocol must be installed on the local computer, the IP address or domain name of the remote host must be known, and the login ID and password must be known.
Extended information:
Basic content: Telnet is a protocol located on layer 7 of the OSI model - the application layer. It is a protocol created by Virtual Terminal provides a TCP/IP protocol for terminal emulation connected to a remote host. This protocol requires authentication through user name and password, and is a standard protocol for Internet remote login services.
Using the Telnet protocol can turn the computer used by the local user into a terminal of the remote host system.
Remote login: Telnet is used for remote login on the Internet. It allows the user to sit in front of the keyboard of a computer that has access to the Internet and access another computer through the network, allowing them to connect to each other. This kind of connectivity This can occur on computers in the same room or on computers connected to the Internet around the world.
Conventionally speaking, the computer that is connected and provides services to all users on the network is called the server (Server), and the machine you are using is called the client (Client). Once connected, the client can enjoy all services provided by the server, and the user can run the usual interactive process (register, execute commands).
You can also enter many special servers such as searching for book indexes, and various services provided by different hosts on the Internet can be used.
The above is the detailed content of What does telnet mean?. For more information, please follow other related articles on the PHP Chinese website!

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