![]() ![]() The idle timeout interval you are setting is in seconds (360 secs = 6 minutes). Open your /etc/ssh/sshd_config file and add the following line: ClientAliveInterval 360 ![]() To avoid having an unattended SSH session, you can set an Idle timeout interval. A strong password will help win the fight against an attack! Use RDM Password Generator to generate strong and random passwords and use our list of Forbidden Passwords to prevent anyone from using 123456 or other such nonsense. A hacker will usually try to scan for port 22 (default port) to discover machines running SSH they will then try a heavy-handed attack against it. If you have SSH running and exposed to the outside world you will probably notice some log attempts made by hackers that are trying to guess your username and password. Here is our top 10 list for how to secure your Open SSH: 1. When running an SSH server, there are a few easy steps that will considerably increase the installation’s level of security. Still, using the default installation for SSH can have its own downfalls when it comes to security. It has made other protocols such as Telnet unnecessary since SSH encrypts your connection and passwords are no longer sent in plain text. When talking about remote access standard, Open SSH has become the norm. Well we might as well call this month our SSH month since we are full throttle on SSH! Following our “ Reverse SSH Port Forwarding” and “ How to Configure SSH Tunnel on Putty”, we thought it would be good to look at securing Open SSH, since security is RDM’s number one priority! ![]()
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