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remote login (rlogin)

Remote Login (rlogin) is the r command for the terminal emulation ofUnix, comparable to the Telnet protocol. The rlogin command allows logging into another computer over the network without password verification. Via rlogin, the user can access the command interpreter in Unix systems and start other programs

. The transfer of rlogin from the rlogin server to the rlogin client is done on a single TCP connection and is based on four commands. On the first command line, the rlogin client removes all unneeded data that the rlogin server has sent to the client, except for the command byte. The server sends this when it has received an interrupt key from the rlogin client. The client then terminates the executed flow control and resumes it with the following command byte. With the last command byte, the client reacts immediately and sends the current window size to

the server and can observe it in the window.During the communication of rlogin, the user ID, the password, the terminal type and the transmission speed of the terminal are transmitted to the server. The subsequent data transmission

is transparent. Remote Login was specified by the Internet Engineering Task Force (IETF) and is described in RFC 1282.

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Englisch: remote login - rlogin
Updated at: 09.07.2011
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