Cheatography
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This is a cheat sheet for basic AWS Networking terminology.
Definitions
VPC |
Private network within AWS |
Subnet |
Private/Public sub network within VPC |
Security
Network Firewall |
Security of VPC |
Network Access Control List |
Security of Subnet (Stateless. Allow + Deny rules) |
Security Groups |
Security of EC2 (Stateful. Allow rules only) |
Shield |
Security of Application (Layer 3/4) |
Web Application Firewall |
Security of Application (Layer 7) |
Internet Connectivity
Internet Gateway |
Connect VPC to Internet |
NAT Gateway |
Connect Private Subnet to Internet (AWS Managed) |
NAT Instance |
Connect Private Subnet to Internet (Self Managed) |
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Private Connectivity
VPC Peering |
Connect VPC to VPC privately |
Transit Gateway |
Connect multiple VPCs |
PrivateLink |
Connect VPC to AWS services privately |
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VPC Endpoint Gateway |
S3, DynamoDB |
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VPC Endpoint Interface |
Rest of AWS services |
Hybrid Connectivity
Direct Connect |
Connect on-premises to VPC privately |
VPN |
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Site-to-Site VPN |
Connect on-premises to VPC publicly |
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Customer Gateway |
Within on-premises |
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Virtual Private Gateway |
Within VPC |
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Client VPN |
Connect users to VPC publicly |
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