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Enhancing VPC Security with AWS Network Firewall

Alice the Architect
AWS in Plain English

Managing and protecting network traffic across diverse workloads and architectures is critical for cloud security. AWS Network Firewall offers a powerful, flexible way to secure your entire Amazon VPC at multiple levels (from Layer 3 to Layer 7) with fine-grained, scalable rule sets. Whether it’s inspecting traffic to and from the internet, other VPCs, or private networks via AWS Direct Connect or Site-to-Site VPN, AWS Network Firewall provides deep visibility and control over your network.

In this guide, I will walk you through the features of AWS Network Firewall, its integration with other AWS services, and practical configurations to help you secure your workloads.

What Is AWS Network Firewall?

AWS Network Firewall is a managed, scalable service designed to protect Amazon VPCs with network traffic filtering, intrusion prevention, and deep packet inspection (DPI) capabilities. It allows you to apply advanced security rules to all traffic entering, exiting, or moving within your VPC, securing it from a broad array of network threats.

Key Benefits

  • Comprehensive Protection: AWS Network Firewall filters traffic at multiple layers, from Layer 3 (network) to Layer 7 (application).
  • Flexible Inspection: It…

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