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ssh-keygen is a standard component of the Secure Shell (SSH) protocol suite found on Unix, Unix-like and Microsoft Windows computer systems used to establish secure shell sessions between remote computers over insecure networks, through the use of various cryptographic techniques. The ssh-keygen utility is used to generate, manage, and convert ...
Secure Shell (SSH) is a protocol allowing secure remote login to a computer on a network using public-key cryptography.SSH client programs (such as ssh from OpenSSH) typically run for the duration of a remote login session and are configured to look for the user's private key in a file in the user's home directory (e.g., .ssh/id_rsa).
The OpenSSH server can authenticate users using the standard methods supported by the SSH protocol: with a password; public-key authentication, using per-user keys; host-based authentication, which is a secure version of rlogin 's host trust relationships using public keys; keyboard-interactive, a generic challenge–response mechanism, which ...
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).
They provide a GUI as well as command-line interface to support SFTP, SSH, SCP, and VPN using the TCP/IP tunneling feature. [8] [9] [10] The software among other supports GSSAPI-enabled Kerberos 5 exchange and NTLM Kerberos 5 user authentication. [11] It provides two-factor authentication and compatibility with RFC 6238 authenticator apps. [12]
Cascadia Code is a purpose-built monospaced font by Aaron Bell of Saja Typeworks for the new command-line interface. It includes programming ligatures and was designed to enhance the look and feel of Windows Terminal, terminal applications and text editors such as Visual Studio and Visual Studio Code . [ 19 ]
The SCP is a network protocol, based on the BSD RCP protocol, [5] which supports file transfers between hosts on a network. 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 private key was saved in .ssh/id_rsa file which is the read-only file. No one else must see the content of that file, as it is used to decrypt all correspondence encrypted with the public key. This file should not be readable by anyone but the user.