The remote SCP process can operate in one of two modes: Normally, a client initiates an SSH connection to the remote host, and requests an SCP process to be started on the remote server. Like RCP, there is no RFC that defines the specifics of the protocol. Clients can also request files or directories from a server (download). A client can send (upload) files to a server, optionally including their basic attributes (permissions, timestamps). SCP uses Secure Shell (SSH) for data transfer and uses the same mechanisms for authentication, thereby ensuring the authenticity and confidentiality of the data in transit. ![]() The SCP is a network protocol, based on the BSD RCP protocol, which supports file transfers between hosts on a network. As of OpenSSH version 9.0, scp client therefore uses SFTP for file transfers by default instead of the legacy SCP/RCP protocol. Īccording to OpenSSH developers in April 2019, SCP is outdated, inflexible and not readily fixed they recommend the use of more modern protocols like SFTP and rsync for file transfer. "SCP" commonly refers to both the Secure Copy Protocol and the program itself. It is based on the Secure Shell (SSH) protocol. 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. JSTOR ( July 2008) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Secure copy protocol" – news Please help improve this article by adding citations to reliable sources. ![]() This article needs additional citations for verification.
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