SSH Archives - necrux

The Anatomy of an SSH Connection

December 19, 2015 / Leave a Comment

Over the last couple of days I have become increasingly interested in unraveling the mysteries behind establishing an SSH connection. The process is very intricate and some of the documentation seems scattered, so I decided to write a bit about it in the hopes that someone else may benefit. Prior to writing this article I … [Read more…]

SSH Match Statements

September 17, 2015 / Leave a Comment

An often underused feature of OpenSSH is the Match statement. Match statements work on OpenSSH 4.4+; applicable versions ship with RHEL/CentOS 6+ and Ubuntu 12.04+. The Match directive accepts the following options: Match User Match Group Match Host Match LocalAddress Match LocalPort Match Address Match statements can be used to help harden SSH but can … [Read more…]