AWS SDK Version 3 for .NET
API Reference

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Associates one or more security groups with your load balancer in a virtual private cloud (VPC). The specified security groups override the previously associated security groups.

For more information, see Security Groups for Load Balancers in a VPC in the Classic Load Balancer Guide.


For .NET Core and PCL this operation is only available in asynchronous form. Please refer to ApplySecurityGroupsToLoadBalancerAsync.

Namespace: Amazon.ElasticLoadBalancing
Assembly: AWSSDK.ElasticLoadBalancing.dll
Version: 3.x.y.z


public abstract ApplySecurityGroupsToLoadBalancerResponse ApplySecurityGroupsToLoadBalancer(
         ApplySecurityGroupsToLoadBalancerRequest request
Type: Amazon.ElasticLoadBalancing.Model.ApplySecurityGroupsToLoadBalancerRequest

Container for the necessary parameters to execute the ApplySecurityGroupsToLoadBalancer service method.

Return Value
The response from the ApplySecurityGroupsToLoadBalancer service method, as returned by ElasticLoadBalancing.


AccessPointNotFoundException The specified load balancer does not exist.
InvalidConfigurationRequestException The requested configuration change is not valid.
InvalidSecurityGroupException One or more of the specified security groups do not exist.


This example associates a security group with the specified load balancer in a VPC.

To associate a security group with a load balancer in a VPC

var response = client.ApplySecurityGroupsToLoadBalancer(new ApplySecurityGroupsToLoadBalancerRequest 
    LoadBalancerName = "my-load-balancer",
    SecurityGroups = new List {

List securityGroups = response.SecurityGroups;


Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

See Also