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