5 Steps to Secure Linux (protect from hackers)
Source: YouTube · NetworkChuck · published Mar 18, 2021 · 23:17
This video demonstrates five essential steps to harden your Linux server against hackers, including enabling automatic updates, creating secure user access, implementing key authentication, securing SSH, and configuring a firewall 0:13.
Key Takeaways:
• Enable automatic updates using unattended-upgrades package to ensure your server stays patched against vulnerabilities 2:55
• Create a limited user with sudo privileges instead of using root for daily operations 4:45
• Replace password authentication with secure public/private key pairs 7:04
• Harden SSH by changing the default port, disabling root login and password authentication 14:22
• Configure UFW firewall to restrict access and block ICMP requests to hide your server from discovery 17:01
While no system is completely unhackable, implementing these security best practices will significantly reduce your server's vulnerability to common attacks 21:48.
Sources:
- 0:13 Introduction to the five essential steps to secure a Linux server
- 2:55 Enabling automatic updates to keep server patched
- 4:45 Creating a new user with sudo privileges
- 7:04 Setting up public/private key authentication
- 14:22 Configuring SSH security settings
- 17:01 Setting up UFW firewall and blocking pings
- 21:48(https://www.youtube.com/watch?v=Z
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Transcript Preview
First 800 characters of the transcript
can linux servers be hacked yeah anything can be hacked especially if you've done nothing to protect and harden your linux server have you done that not sure good keep watching in this video i'm showing you five things you have to do to secure or harden your linux server from hackers from attacks now disclaimer actually no we're protecting ourselves no disclaimer you want to do this right now now here's a cool thing if you don't have a linux server to protect or harden or secure you can get one right now for free no really you can the sponsor of our video today lenode they are a cloud service provider and you can spin up a free linux virtual machine lab right now i'll show you how to do that here in a moment now in this video i got a little bit of help shout out to awol from my discord ser…