5 Great Ways to Harden your Linux Server

In this video, I talk about why server hardening is important and I highlight 5 of the best ways to secure a Debian/Ubuntu or Red Hat based server. NOTE: On a RHEL-based system, you'll have to manually enable the fail2ban SSH jail. I forgot to do this in the video.

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Timestamps:
0:00 Intro
0:13 What is server hardening?
0:45 #1: Firewall
2:44 #2: Automatic Updates
5:36 #3: Securing SSH
9:10 #4: SELinux
10:56 #5: Lynis Auditing
12:45 Some other things
13:15 End

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