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Networking

Security Groups​

RDS Security Group​

Allows PostgreSQL (5432) from:

  • Access VPC CIDR (10.0.0.0/16)
  • Application VPC CIDR (10.2.0.0/16)

ALB Security Group​

  • Inbound: HTTPS (443) from anywhere
  • Outbound: All to Application VPC

Route Tables​

Each VPC has routes to peered VPCs via peering connections.