AWS SDK for .NET Documentation
SourceDestCheck Property
AmazonAmazon.EC2.ModelModifyNetworkInterfaceAttributeRequestSourceDestCheck Did this page help you?   Yes   No    Tell us about it...
Whether source/destination checking is enabled on the instance.
Declaration Syntax
C#
public bool SourceDestCheck { get; set; }
Remarks
This attribute exists to enable a Network Address Translation (NAT) instance in a VPC to perform NAT. A value of true means checking is enabled, and false means checking is disabled. The value must be false for the instance to perform NAT. For more information, go to NAT Instances in the Amazon Virtual Private Cloud User Guide.

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)