7 Steps To Securing Your Linux Server
opensouce.com, October 7th, 2019
October 20, 2019,
Volume 259, Issue 3

This primer will introduce you to basic Linux server security. While it focuses on Debian/Ubuntu, you can apply everything presented here to other Linux distributions

Patrick H. Mullins writes in opensouce.com:

  • Update your server
  • Create a new privileged user account
  • Upload your SSH key
  • Secure SSH
  • Enable a firewall
  • Install Fail2ban
  • Remove unused network-facing services

"This tutorial presents the bare minimum needed to harden a Linux server. Additional security layers can and should be enabled depending on how a server is used..."

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