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Internet Gateway

Allow talk to internet via Internet Gateway

Route Table (Public Subnet)

Destination Target
10.0.0.0/16 local
0.0.0.0/0 internet-gateway-id

NAT Gateway

NAT Gateway is located in Public subnet.

  • Need to attach Elastic IP
  • Need to update Route Table

    • Route Table (Private Subnet)

    Destination Target
    10.0.0.0/16 local
    0.0.0.0/0 nat-gateway-id

    Security Group (Public Subnet)

    Web-Server-SG

    Destination Target Source
    HTTP 80 0.0.0.0/0
    HTTPS 443 0.0.0.0/0

    Security Group (Public Subnet)

    Backend-Server-SG

    Destination Target Source
    ALL TCP 4000 Web-Server-SG