Advanced Stake Pool Security (SSH Root Login, 2-Factor Authentication, Fail2Ban)

After covering basic server security in a previous video, I wanted to expand more on that matter and show you how to make your servers even sturdier. In this video, I cover disabling SSH root login, setting up 2-Factor Authentication, and installing Fail2Ban, a software package that automatically bans attackers IP addresses.

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Details for howto setup 2FA for ssh:

additionally if you want to avoid the process for users who connecting from local subnet then sshd can be configured to allow using only publickey as well.

Match Address *,!
  AuthenticationMethods "password"
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