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The SCP program [8] is a software tool implementing the SCP protocol as a service daemon or client. It is a program to perform secure copying. Perhaps the most widely used SCP program is the OpenSSH command line scp program, which is provided in most SSH implementations. The scp program is the secure analog of the rcp command.
Its main function is secure file transfer between a local computer and a remote server. [6] Beyond this, WinSCP offers basic file manager and file synchronization functionality. For secure transfers, it uses the Secure Shell protocol (SSH) and supports the SCP protocol in addition to SFTP. [7] Development of WinSCP started around March 2000 and ...
PuTTY user manual (copy from 2022) PuTTY (/ ˈ p ʌ t i /) [4] is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port. The name "PuTTY" has no official meaning.
SSH operates as a layered protocol suite comprising three principal hierarchical components: the transport layer provides server authentication, confidentiality, and integrity; the user authentication protocol validates the user to the server; and the connection protocol multiplexes the encrypted tunnel into multiple logical communication channels.
The SSH utility (when invoked with option -X or option ForwardX11) tunnels X11 traffic from remotely invoked clients to the local server. It does so by setting at the remote site the DISPLAY environment variable to point to a local TCP socket opened there by sshd, which then tunnels the X11 communication back to ssh.
It is possible, however, to run it over SSH-1 (and some implementations support this) or other data streams. Running an SFTP server over SSH-1 is not platform-independent as SSH-1 does not support the concept of subsystems. An SFTP client willing to connect to an SSH-1 server needs to know the path to the SFTP server binary on the server side.
An SSH server is a software program which uses the Secure Shell protocol to accept connections from remote computers. SFTP / SCP file transfers and remote terminal connections are popular use cases for an SSH server.
The CopSSH client can be used to initiate SSH/SFTP/SCP connections, while the CopSSH server is used as the SSH or SFTP server. CopSSH administration GUI has the following features: Service, connection, and event status; User Access Control with activation wizard; Public Key Administration with PKA wizard; SSH Server Configuration; SFTP Server ...