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Network Security Architecture Validator

Analyze firewall rules, segmentation, and VPN usage to report security gaps.

6|Updated Oct 25, 2025
Search Tags:#defense-in-depth#vpn#firewall#segmentation#network-policy#network-security#ips
One-click install
npx skills add https://github.com/williamzujkowski/cognitive-toolworks --skill network-security-architecture-validator
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Network Security Architecture Validator
Source: https://github.com/williamzujkowski/cognitive-toolworks/tree/main/skills/security-network-validator
Command: npx skills add https://github.com/williamzujkowski/cognitive-toolworks --skill network-security-architecture-validator

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Validate network security architecture with comprehensive firewall rule analysis, segmentation verification, and defense-in-depth assessments to prevent misconfigurations and reduce risk.

Core Features & Use Cases

  • Firewall rule documentation and default-deny validation to enforce least-privilege access.
  • Network segmentation review (DMZ, internal zones) to ensure proper isolation and controlled east-west traffic.
  • VPN and encrypted transit verification to guarantee secure remote access.
  • Intrusion Prevention System (IPS) coverage assessment and micro-segmentation for tighter control over assets.
  • Use Case: A production network with mixed on-prem and cloud resources can be validated for correct segmentation and rule alignment.

Quick Start

Provide a network identifier and architecture scope to kick off a validation and receive structured findings and remediation guidance.

Frequently Asked Questions about Network Security Architecture Validator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate firewall rules and network segmentation for security gaps?▼

Network segmentation analysis verifies isolation between DMZ and internal zones, ensuring controlled east-west traffic and proper micro-segmentation to prevent lateral movement across production networks.

What is defense-in-depth assessment for network architecture?▼

Yes, VPN security verification assesses encrypted transit and remote access configurations, identifying misconfigurations in VPN deployments that could expose production networks to unauthorized access.

How do I review network segmentation for DMZ and zero-trust models?▼

Provide a network identifier and architecture scope to initiate validation; the analysis processes firewall rules, segmentation configurations, and VPN usage to output findings, segmentation analysis, and remediation rules.

Can I assess IPS coverage and micro-segmentation for hybrid cloud networks?▼

The skill analyzes firewall rule documentation and default-deny configurations to enforce least-privilege access, identifying overly permissive rules that violate security architecture best practices.

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