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Telnet consists of two components: (1) the protocol itself and (2) the service component. The telnet protocol is a client-server protocol, based on a reliable connection-oriented transport. [2] This protocol is used to establish a connection to Transmission Control Protocol (TCP) port number 23 or 2323, where a Telnet server application is ...
The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. [3] They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the ...
the Telnet, rlogin, and SSH client itself, which can also connect to a serial port PSCP an SCP client, i.e. command-line secure file copy. Can also use SFTP to perform transfers PSFTP an SFTP client, i.e. general file transfer sessions much like FTP PuTTYtel a Telnet-only client Plink a command-line interface to the PuTTY back ends.
The Berkeley r-commands are a suite of computer programs designed to enable users of one Unix system to log in or issue commands to another Unix computer via TCP/IP computer network. [1] The r-commands were developed in 1982 by the Computer Systems Research Group at the University of California, Berkeley , based on an early implementation of ...
netcat (often abbreviated to nc) is a computer networking utility for reading from and writing to network connections using TCP or UDP.The command is designed to be a dependable back-end that can be used directly or easily driven by other programs and scripts.
Some examples of service ports used for banner grabbing are those used by Hyper Text Transfer Protocol , File Transfer Protocol , and Simple Mail Transfer Protocol ; ports 80, 21, and 587 respectively. Tools commonly used to perform banner grabbing are Telnet, Nmap and Netcat.
It supports Telnet, SSH 1 & 2 and serial port ... Posting in this forum was the best way to suggest new features for Tera Term or propose new commands for the Tera ...
For an example, telnet can be configured as follows (line taken from a machine running AIX version 5.1): telnet stream tcp6 nowait root /usr/sbin/telnetd telnetd -a The first word, telnet, is the official name of the service. It is resolved using the system database to map port numbers and protocols to service names.