Gateway Security Essentials: pfSense & GlobalProtect
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Gateway Security Essentials: pfSense & GlobalProtect

Security Ops
2026-01-06
5 min read

Guarding the Edge

The gateway is your network's front door. Phase 2 of our lab focuses on securing this critical perimeter using open-source powerhouses and enterprise standards.

pfSense Firewall

pfSense is the world's most trusted open-source firewall. Our simulator lets you interact with the pfctl command line tool directly.

  • Rule Management: View and manage pass/block rules.
  • State Table: Inspect active connections with pfctl -s state.
  • NAT: Understand how Network Address Translation hides internal IPs.

GlobalProtect VPN

For remote workers, a VPN is a lifeline. Our GlobalProtect simulator teaches you the user-side and gateway-side workflows of establishing a secure tunnel.

Practice checking tunnel status, user authentication, and split-tunneling configurations in a risk-free environment.

Ready to practice? Check out our Zscaler Labs.