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telnet用法(Telnet usage)
telnet用法(Telnet usage)
DOS command of the use of Telnet commands Daquan detailed
The application of Telnet not only facilitates our remote login, but also provides another intrusion means and back door for hacker. Telnet service is a client / server model service, but its greater significance lies in the realization of remote login protocol based on Telnet (remote interactive computing), then let us know your remote login! The following statement is to help you better understand... If you know something, lets have a rough idea of it!
1 basic concepts of Telnet
First look at what is called login: time-sharing system allows multiple users to use a computer at the same time, in order to ensure the safety of the system and the accounting system is convenient, require each user a separate account for login identity system for each user to specify a password. Before users use the system, enter the identification and password, which is called login \.
Telnet refers to the process in which a user uses the Telnet command to temporarily make his computer a simulation terminal of a remote host. The simulation terminal is equivalent to a non intelligent machine that is responsible for passing each character that the user enters to the host, and then returning each information that the host outputs to the screen.
2, the emergence and development of remote login
We can first think of a service that provides remote text editing, which requires a server that accepts and edits file requests and data, and a client that sends the request. The client will establish a from the local machine to the server TCP connection, which requires the server response, and then sent to the server type information (file editing information), and read the output from the server. The above is a standard and common client / server model service.
It seems that with the client / server model, all remote problems can be solved. However, is not as easy as you think, if we only need to edit the file remote, s
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