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Secure copy protocol (SCP) is a means of securely transferring computer files between a local host and a remote host or between two remote hosts. It is based on the Secure Shell (SSH) protocol. [1] "SCP" commonly refers to both the Secure Copy Protocol and the program itself. [2]
The advantage of FISH is that all it requires on the server-side is an SSH or RSH implementation, Unix shell, and a set of standard Unix utilities (like ls, cat or dd—unlike other methods of remote access to files via a remote shell, scp for example, which requires scp on the server side).
As an example, the sftp program supplied with OpenSSH implements this. [10] Some implementations of the scp program support both the SFTP and SCP protocols to perform file transfers, depending on what the server supports. The scp program supplied with OpenSSH 9.0 and higher defaults to using SFTP. [11]
SOCKS 4, 5; HTTP; Telnet; Local wolfSSH: no Yes No No Yes No No No No Yes simple Yes No ZOC Terminal: yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes [l] [m] SOCKS 4; 5; HTTP; Jumpserver Name SSH1 (insecure) SSH2 Additional protocols Tunneling Session multiplexing [a] Kerberos IPv6 Terminal SFTP/SCP Proxy client [b] TELNET rlogin Port forwarding ...
Remote copy: rcp? 1982: Internet protocol suite: No [22] Secure copy: SCP: Tatu Ylönen: 1995: Secure Shell: No [23] Secure Hypertext Transfer Protocol: S-HTTP: IETF Web Transaction Security Working Group: 1999 — RFC 2660 [24] Simple Asynchronous File Transfer: SAFT: Ulli Horlacher: 1995 — No [25] [26] Simple File Transfer Protocol: SFTP ...
SSH is typically used to log into a remote computer's shell or command-line interface (CLI) and to execute commands on a remote server. It also supports mechanisms for tunneling, forwarding of TCP ports and X11 connections and it can be used to transfer files using the associated SSH File Transfer Protocol (SFTP) or Secure Copy Protocol (SCP). [3]
For example, if the command rsync local-file user@remote-host:remote-file is run, rsync will use SSH to connect as user to remote-host. [14] Once connected, it will invoke the remote host's rsync and then the two programs will determine what parts of the local file need to be transferred so that the remote file matches the local one.
Transferring data from one remote system to another remote system under the control of a local system is called remote uploading or site-to-site transferring. This is used when a local computer has a slow connection to the remote systems, but these systems have a fast connection between them.