How To Protect Your Linux Server From Hackers!

2021-04-15

[public] 103K views, 15.1K likes, 119 dislikes audio only

Do you have a linux server and do you know how to prevent getting hacked? In this video we will critically discuss a few best practices. The video can be summarized as: "a lot of fluff, not much use".

Prefer to read? Blog article version: https://liveoverflow.com/protect-linux-server-from-hackers/

Very scientific analysis: https://docs.google.com/spreadsheets/d/1cKaO7qH3EZbrEJR7F5Df0ObvJOhw3RdOMCERuroWrBc

Other Opinions:

- Enable unattended updates: https://blog.filippo.io/psa-enable-automatic-updates-please/

Chapters:

00:00 - Intro and Motivation

01:47 - 1. Disable SSH Password Login

03:47 - Detour: Password Login for Websites (https)

04:39 - Password Recommendations

05:33 - 2. Disable Direct root SSH Login

07:07 - Creating user and add to sudo

08:47 - 3. Change Default SSH Port

10:42 - 4. Disable IPv6 for SSH

13:40 - 5. Setup a Basic Firewall

15:43 - 6. Unattended Server Auto Upgrade

19:04 - Conclusion

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