Top 20 OpenSSH Server Best Security Practices

in Categories CentOS, Debian Linux, fedora linux, FreeBSD, Gentoo Linux, Howto, Linux, Networking, package management, RedHat/Fedora Linux, Security, Suse Linux, Sys admin, Ubuntu Linux, UNIX last updated January 17, 2018
OpenSSH Security Tips

OpenSSH is the implementation of the SSH protocol. OpenSSH is recommended for remote login, making backups, remote file transfer via scp or sftp, and much more. SSH is perfect to keep confidentiality and integrity for data exchanged between two networks and systems. However, the main advantage is server authentication, through the use of public key cryptography. From time to time there are rumors about OpenSSH zero day exploit. This page shows how to secure your OpenSSH server running on a Linux or Unix-like system to improve sshd security.

OpenSSH Tip: Check Syntax Errors before Restarting SSHD Server

in Categories Linux, Networking, OpenBSD, RedHat/Fedora Linux, Security, Sys admin, Tips, Troubleshooting, UNIX last updated June 17, 2017
OpenSSH - SSHD Logo

OOpenSSH (OpenBSD Secure Shell) is a default secure shell for encrypted communication sessions over a computer network using the ssh protocol. Usually, you log in using ssh and makes changes to its configuration file /etc/ssh/sshd_conf over a remote session. If there is an error in configuration, the server may not start (i.e. no remote login allowed). This will result in a disaster; if you didn’t have access to the remote console. But how do you find out a syntax error for the sshd_config file?
Continue reading “OpenSSH Tip: Check Syntax Errors before Restarting SSHD Server”