Whether source/destination checking is enabled on the instance.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public bool SourceDestCheck { get; set; }
 Remarks
 Remarks
            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.