Azure NSG Rule Editor

👋 Welcome to NSG Rule Editor

Easily manage Azure Network Security Group rules

  • 📂 Import — BICEP, ARM, Terraform, CSV, parameter files
  • ⬇️ Export / Convert — 6 formats with companion param files
  • ✏️ Edit — Add, modify, duplicate with 20+ templates
  • 🛡️ Analyse — Security score & rule conflicts
  • 🧰 Tools — CIDR calculator & What-If simulator
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Drop a BICEP, ARM JSON, Terraform, or CSV file here

Drag & drop or click to select — supports .bicep, .json, .tf, and .csv files

Parameters and variables are automatically resolved when possible.

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No data loaded yet

Go to the Import tab to drop a Bicep / ARM / Terraform / JSON file, or start fresh — your rule summary will appear here.

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No data loaded yet

Go to the Import tab to load an NSG, or start fresh — security rules will appear here for editing.

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🔍 What-If Traffic Simulator

Test whether specific traffic would be allowed or denied by your NSG rules.

👆 Fill in the fields above, then click Simulate to test your rules
📚 Learn More
  • 🔗 NSG Security Rules — Properties, evaluation order, and how Azure processes inbound and outbound rules
  • 🔗 Default Outbound Access — Understand Azure's default outbound connectivity and how NSGs interact with it
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🔢 CIDR / Subnet Calculator

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📖 Azure Service Tag Reference

34 tags
📚 Learn More
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📡 Common Port Reference

📚 Learn More
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No data loaded yet

Go to the Import tab to load an NSG, or start fresh — every change you make will be tracked here.