Usually this file is /etc/ssh/sshd_config , but the location can be changed using the -f command line option when starting sshd.
What is sshd_config file?
The /etc/ssh/sshd_config file is the system-wide configuration file for OpenSSH which allows you to set options that modify the operation of the daemon. This file contains keyword-value pairs, one per line, with keywords being case insensitive.
Where is ssh config file in Linux?
The ssh program on a host receives its configuration from either the command line or from configuration files ~/. ssh/config and /etc/ssh/ssh_config .
What is the default sshd_config?
The default is 3600 (seconds). If port is not specified, sshd will listen on the address and all prior Port options specified. The default is to listen on all local addresses. Multiple ListenAddress options are permitted.
What is StrictModes in SSH?
The SSH configuration option StrictModes protects public and private key files against the opposite problem, when security is too permissive.
What is ciphers in SSH?
The ciphers command specifies the cipher suites that the DataPower Gateway uses to communicate with an SFTP server when the DataPower Gateway acts as an SSH client when the SFTP request matches no SFTP client policy in the referenced user agent of the XML manager.
How do I configure ssh?
Complete these steps in order to configure the SSH server to perform RSA based authentication.
- Specify the Host name. …
- Define a default domain name. …
- Generate RSA key pairs. …
- Configure SSH-RSA keys for user and server authentication. …
- Configure the SSH username. …
- Specify the RSA public key of the remote peer.
How do I find my ssh config?
Steps to test OpenSSH configuration file:
Open terminal application. Open your sshd_config file using your favorite text editor. $ sudo vi /etc/ssh/sshd_config [sudo] password for user: Make changes, save and exit editor.
What is ssh configuration in Linux?
SSH stands for Secure Shell, a cryptographic network protocol used for connecting to Linux/Unix servers remotely via a command line interface. The default port on which SSH service works is 22 (which is configurable) to exchange data between the remote users and the server.
What is AuthorizedKeysCommand?
AuthorizedKeysCommand. Specifies a program to be used to look up the user’s public keys. The program must be owned by root, not writable by group or others and specified by an absolute path.
What is LoginGraceTime in SSH?
Description. The LoginGraceTime parameter specifies the time allowed for successful authentication to the SSH server. The longer the Grace period is the more open unauthenticated connections can exist.
What is MaxStartups in SSH?
The MaxStartups setting specifies the maximum number of concurrent unauthenticated connections to the SSH daemon. Additional connections are dropped until authentication succeeds or the LoginGraceTime expires for a connection.