In this video we are going to see what are the steps to secure a Linux server and how to protect from hackers.
If you just hire or buy your server and it is connected to the Internet the very first steps that you should before installing any service is apply some security measures to prevent unauthorized accesses or uses in the future.
In this basic tutorial video I'll show you a total of 8 simple steps you could do right now to securing your Linux server.
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📖 Useful resources:
- Putty (SSH client for Windows)
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⏳ Timecodes:
00:00 - Introduction
02:03 - Step 1: Access and update
03:17 - Step 2: Change the default SSH port
04:41 - Step 3: Enable Firewall (ufw)
05:22 - Step 4: Change root password
05:47 - Step 5: Replace the default user
06:34 - Step 6: Apply restrictions to the SSH service
07:07 - Step 7: Force login with SSH key
09:09 - Step 8: Install fail2ban
09:38 - Conclusion
