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Lambda within a VPCBrock TubreTECHNICAL INSTRUCTOR
Why Use AWS Lambda in a Custom VPC?LAMBDA WITHIN A VPC
Lambda within a VPC RequirementsLAMBDA WITHIN A VPC
Shared ENIs Are CreatedThe AWS Hyperplane creates a shared ENI (per AZ) when the Lambda function is first created.
You should use multiple subnets that span AZ for high availability.
Security GroupsOnce inside a VPC, security groups are used to control network access to each Lambda function.
There is a limit for inbound access built into the Lambda service for security reasons.
NAT for Internet AccessLambda functions cannot be assigned public IP addresses. NAT translation is required for internet access.
Choosing a VPCLAMBDA WITHIN A VPC
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