Skill UI

A comprehensive guide to configuring pfSense firewalls for robust network security. This skill covers setting up complex network segmentation across multiple zones (DMZ, internal, guest, IoT), implementing granular firewall rules, configuring NAT for port forwarding, and establishing site-to-site or remote-access VPN tunnels using IPsec or OpenVPN. Ideal for network engineers deploying perimeter or internal firewalls.

This tool analyzes historical network traffic baselines to design secure and functional segmentation architectures for Operational Technology (OT) environments. It helps map flat Purdue-model networks into secure zones (VLANs) and automatically generates required firewall rules based on observed legitimate communication paths, adhering to standards like IEC 62443. Ideal for IT/OT convergence and risk mitigation.

This skill covers the comprehensive design and implementation of network segmentation using layered security controls. It details how to establish isolated security zones (e.g., DMZ, PCI CDE, Management) using VLANs, firewall zones, and granular ACLs. The techniques advance from traditional Layer 2 VLAN separation to modern Layer 7 microsegmentation, enforcing zero-trust principles and meeting strict compliance standards like PCI DSS and HIPAA.