There are more AWS SDK examples available in the [AWS Doc SDK Examples](https://github.com/awsdocs/aws-doc-sdk-examples) GitHub repo. # Use `ApplySecurityGroupsToLoadBalancer` with a CLI The following code examples show how to use `ApplySecurityGroupsToLoadBalancer`. ------ #### [ CLI ] **AWS CLI** **To associate a security group with a load balancer in a VPC** This example associates a security group with the specified load balancer in a VPC. Command: ``` aws elb apply-security-groups-to-load-balancer --load-balancer-name my-load-balancer --security-groups sg-fc448899 ``` Output: ``` { "SecurityGroups": [ "sg-fc448899" ] } ``` + For API details, see [ApplySecurityGroupsToLoadBalancer](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/elb/apply-security-groups-to-load-balancer.html) in *AWS CLI Command Reference*. ------ #### [ PowerShell ] **Tools for PowerShell V4** **Example 1: This example replaces the current security group for the specified load balancer with the specified security group.** ``` Join-ELBSecurityGroupToLoadBalancer -LoadBalancerName my-load-balancer -SecurityGroup sg-87654321 ``` **Output:** ``` sg-87654321 ``` **Example 2: To keep the current security group and specify an additional security group, specify both the existing and new security groups.** ``` Join-ELBSecurityGroupToLoadBalancer -LoadBalancerName my-load-balancer -SecurityGroup @("sg-12345678", "sg-87654321") ``` **Output:** ``` sg-12345678 sg-87654321 ``` + For API details, see [ApplySecurityGroupsToLoadBalancer](https://docs.aws.amazon.com/powershell/v4/reference) in *AWS Tools for PowerShell Cmdlet Reference (V4)*. **Tools for PowerShell V5** **Example 1: This example replaces the current security group for the specified load balancer with the specified security group.** ``` Join-ELBSecurityGroupToLoadBalancer -LoadBalancerName my-load-balancer -SecurityGroup sg-87654321 ``` **Output:** ``` sg-87654321 ``` **Example 2: To keep the current security group and specify an additional security group, specify both the existing and new security groups.** ``` Join-ELBSecurityGroupToLoadBalancer -LoadBalancerName my-load-balancer -SecurityGroup @("sg-12345678", "sg-87654321") ``` **Output:** ``` sg-12345678 sg-87654321 ``` + For API details, see [ApplySecurityGroupsToLoadBalancer](https://docs.aws.amazon.com/powershell/v5/reference) in *AWS Tools for PowerShell Cmdlet Reference (V5)*. ------