Securing Service Communications: Combining VPC Lattice with Network Firewall

This article explores how to secure service communications in AWS using a combined approach of VPC Lattice and Network Firewall. The key strategies include:

• Using Network Firewall for deep packet inspection of critical traffic
• Implementing VPC Lattice for HTTP/HTTPS and TCP service-to-service communication
• Providing identity-based access controls and simplified connectivity management
• Optimizing routing based on different security requirements

The solution demonstrates a flexible architecture that:

• Enables granular security controls
• Reduces network complexity
• Offers potential cost savings by minimizing unnecessary network hops
• Supports zero-trust authentication using AWS IAM

Ultimately, the article recommends choosing security controls based on traffic type, balancing security, performance, and operational efficiency.