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Node Security

Part of maintaing node security is keeping up to date with Linux firewall management, OS hardening, and SSH hardening.
The Node Security Micro-Certification will be awarded to students that show proficiency in the following areas.

Linux Firewall Managment

  • block producer rules
  • relay rules

Linux OS Hardening

SSH Hardening

  • keys
  • port change
  • intrusion prevention
  • 2 factor