Linux Secure VPS
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Linux Secure VPS

Best Practices

About the Book

Starting a Linux Server (VPS) is easy, one click. But how do you secure it? If you don't secure it, you have a chance of high unexpected costs due to malicious use. This books goes into some of the best practices for securing your Linux VPS.

About the Author

Frank Anemaet
Frank Anemaet

Sharing my experience in Software Development here on Leanpub. I have a background in Computer Science and worked with nearly every programming language on the planet. I graduated with highest distinction during my masters program. I've worked on projects ranging from Robotics, Web Apps, Mobile Apps to Embedded Systems.

Table of Contents

  • Introduction
    • Who is this book for?
    • What is Linux?
  • Chapter 1: Updates and SSH
    • OpenSSH
    • Update and upgrade
    • Summary
  • Chapter 2: SSH Connectivity
    • SSH key pairs
    • Secure sshd_config
    • What is 2FA?
  • Chapter 3: Access
    • Limit Root login
    • NTP client
  • Chapter 4: Firewalls
    • What is a Firewall?
    • iptables
    • UFW firewall
    • psad
  • Chapter 5: Blocking bad traffic
    • fail2ban
    • psad
  • Chapter 6: Monitoring
    • Syslog
    • Syslog on Linux
    • tcpdump

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