Security

How to Secure SSH with Google Authenticator’s Two-Factor Authentication

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Source: http://www.howtogeek.com/121650/how-to-secure-ssh-with-google-authenticators-two-factor-authentication/ Also, for CentOS: http://www.tecmint.com/ssh-two-factor-authentication/ Want to secure your SSH server with easy-to-use two-factor authentication? Google provides the necessary software to integrate Google Authenticator’s time-based one-time password (TOTP) system with your SSH server. You’ll have to enter the code from your phone when you connect.

Root Compromised

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Check the server if it is root compromised. Root compromised output. All of those files are set to immutable and append only. That’s what the “ia” you see is. Non root compromised Other checks: I would check the following: Logs. If you have root access you should check things like history which will give you … Read more