Securing SSH Access on Your Ubuntu Server // Step-by-Step Tutorial

In this tutorial, Grant Knoetze walks you through essential tips to protect your server from unauthorized access. Learn how to disable root login, change the default SSH port, configure your firewall, and set up SSH key authentication for enhanced security. Plus, discover how to use Fail2Ban to block brute-force attacks automatically.

10 Steps for Securing SSH Access:
00:30 1) Update your server
01:08 2) Back up your SSH configuration
02:02 3) Disable root login
03:16 4) Change the default SSH port
04:00 5) Restart the SSH service
04:44 6) Update your firewall rules
06:17 7) Limit SSH access to specific IPs
07:01 8) Enable SSH key authentication
08:31 9) Disable password authentication
09:29 10) Install Fail2Ban
10:50 Conclusion

Grant Knoetze is a cybersecurity analyst with a special interest in DFIR, programming languages, incident response, red-teaming, and malware analysis. His full-time job includes teaching and instructing in various topics from basic Linux all the way through to malware incident response, and other advanced topics. He is also a speaker at various conferences worldwide.

Music by matthewmikemusic via Pixabay

#linuxsecurity #linuxtutorials #linuxadministration #linuxcommandline #ubuntu #ubuntuserver #itsecurity

[NotificheACP]

U did forget rule n°1, enable MFA! I use it everywhere with SSH connections