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AWS VPC (Gateways (NAT Gateway (Out -IPv4, Security Groups Do Not Apply,…
AWS VPC
Gateways
Internet Gateway (IGW)
In and Out
NAT Gateway
Out -IPv4
Security Groups Do Not Apply
Redundant within an AZ
Maintained by AWS
Egress Only IGW
Out - IPv6
NAT Instance
Based on AMI - EC2
Security Group Apply
Maintained by Customer
Must Disable Source/Destination check
Default VPC Objects:
A Route Table
A Network ACL
A Security Group
Subnets
Use the Private 10.0.0.0/16 network
Can be assigned to a VPC
Each can only be assigned to one region
VPC Peering
One Way
Specify Requester and Accepter
Can Peer to VPC from other AWS accounts
Route Tables
Record has a subnet address and a target
The target must be a gateway or bastion host
Security
Network Access Control Lists
Are Stateless
Apply to Subnet
Security Groups
Are Stateful
Apply to Instance