Firewall & Network Protection
Understanding the Concept
Endpoint security firewall policies in Intune manage Windows Defender Firewall settings. Policies configure firewall profiles (Domain, Private, Public), inbound/outbound rules, and firewall notifications.
Firewall rules can be created to allow or block specific applications, ports, protocols, and IP addresses. Rules can be imported from existing Group Policy firewall configurations using the migration tool.
Network protection extends firewall capabilities by blocking connections to dangerous domains and IP addresses. It works with Microsoft Defender SmartScreen to protect against phishing sites and malicious downloads.
Key Points
- Firewall policies manage Windows Defender Firewall profiles
- Configure Domain, Private, and Public network profiles
- Create inbound/outbound firewall rules for apps and ports
- Import existing GPO firewall rules using migration tool
- Network protection blocks malicious domains and IPs
- SmartScreen integration for web protection
Why This Matters in Real Organizations
Firewall management through Intune ensures consistent network security regardless of device location. Unlike GPO-based firewall management, Intune policies apply whether the device is on-premises, at home, or on public WiFi.
Common Mistakes to Avoid
Interview Tips
- Explain firewall management through Intune vs Group Policy
- Discuss network protection configuration
- Describe how you handle firewall rules for remote workers
Exam Tips (MD-102)
- Know firewall profile types and their default behaviors
- Understand firewall rule creation and conflict resolution
- Know network protection capabilities and configuration
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