ModifyLoadBalancerAttributes
Modifies the specified attributes of the specified Application Load Balancer, Network Load Balancer, or Gateway Load Balancer.
If any of the specified attributes can't be modified as requested, the call fails. Any existing attributes that you do not modify retain their current values.
Request Parameters
For information about the parameters that are common to all actions, see Common Parameters.
- Attributes.member.N
-
The load balancer attributes.
Type: Array of LoadBalancerAttribute objects
Array Members: Maximum number of 20 items.
Required: Yes
- LoadBalancerArn
-
The Amazon Resource Name (ARN) of the load balancer.
Type: String
Required: Yes
Response Elements
The following element is returned by the service.
- Attributes.member.N
-
Information about the load balancer attributes.
Type: Array of LoadBalancerAttribute objects
Array Members: Maximum number of 20 items.
Errors
For information about the errors that are common to all actions, see Common Errors.
- InvalidConfigurationRequest
-
The requested configuration is not valid.
HTTP Status Code: 400
- LoadBalancerNotFound
-
The specified load balancer does not exist.
HTTP Status Code: 400
Examples
Enable deletion protection
This example enables deletion protection for the specified load balancer.
Sample Request
https://elasticloadbalancing.amazonaws.com/?Action=ModifyLoadBalancerAttributes
&LoadBalancerArn=arn:aws:elasticloadbalancing:us-west-2:123456789012:loadbalancer/app/my-load-balancer/50dc6c495c0c9188
&Attributes.member.1.Key=deletion_protection.enabled
&Attributes.member.1.Value=true
&Version=2015-12-01
&AUTHPARAMS
Sample Response
<ModifyLoadBalancerAttributesResponse xmlns="http://elasticloadbalancing.amazonaws.com/doc/2015-12-01/">
<ModifyLoadBalancerAttributesResult>
<Attributes>
<member>
<Value>true</Value>
<Key>deletion_protection.enabled</Key>
</member>
<member>
<Value>false</Value>
<Key>access_logs.s3.enabled</Key>
</member>
<member>
<Value>60</Value>
<Key>idle_timeout.timeout_seconds</Key>
</member>
<member>
<Value />
<Key>access_logs.s3.prefix</Key>
</member>
<member>
<Value />
<Key>access_logs.s3.bucket</Key>
</member>
</Attributes>
</ModifyLoadBalancerAttributesResult>
<ResponseMetadata>
<RequestId>b2066529-f42c-11e5-b543-9f2c3fbb9bee</RequestId>
</ResponseMetadata>
</ModifyLoadBalancerAttributesResponse>
Change the idle timeout
This example changes the idle timeout value for the specified Application Load Balancer.
Sample Request
https://elasticloadbalancing.amazonaws.com/?Action=ModifyLoadBalancerAttributes
&LoadBalancerArn=arn:aws:elasticloadbalancing:us-west-2:123456789012:loadbalancer/app/my-load-balancer/50dc6c495c0c9188
&Attributes.member.1.Key=idle_timeout.timeout_seconds
&Attributes.member.1.Value=30
&Version=2015-12-01
&AUTHPARAMS
Sample Response
<ModifyLoadBalancerAttributesResponse xmlns="http://elasticloadbalancing.amazonaws.com/doc/2015-12-01/">
<ModifyLoadBalancerAttributesResult>
<Attributes>
<member>
<Value>30</Value>
<Key>idle_timeout.timeout_seconds</Key>
</member>
<member>
<Value>false</Value>
<Key>access_logs.s3.enabled</Key>
</member>
<member>
<Value />
<Key>access_logs.s3.prefix</Key>
</member>
<member>
<Value>false</Value>
<Key>deletion_protection.enabled</Key>
</member>
<member>
<Value />
<Key>access_logs.s3.bucket</Key>
</member>
</Attributes>
</ModifyLoadBalancerAttributesResult>
<ResponseMetadata>
<RequestId>d3f6e6dc-f42c-11e5-b5ae-8bfaf16614ac</RequestId>
</ResponseMetadata>
</ModifyLoadBalancerAttributesResponse>
Enable access logs
This example enables access logs for the specified Application Load Balancer. The S3 bucket must exist in the same Region as the load balancer and must have a bucket policy that grants Elastic Load Balancing permissions to write to the bucket.
Sample Request
https://elasticloadbalancing.amazonaws.com/?Action=ModifyLoadBalancerAttributes
&LoadBalancerArn=arn:aws:elasticloadbalancing:us-west-2:123456789012:loadbalancer/app/my-load-balancer/50dc6c495c0c9188
&Attributes.member.1.Key=access_logs.s3.enabled
&Attributes.member.1.Value=true
&Attributes.member.2.Key=access_logs.s3.bucket
&Attributes.member.2.Value=my-loadbalancer-logs
&Attributes.member.3.Key=access_logs.s3.prefix
&Attributes.member.3.Value=myapp
&Version=2015-12-01
&AUTHPARAMS
Sample Response
<ModifyLoadBalancerAttributesResponse xmlns="http://elasticloadbalancing.amazonaws.com/doc/2015-12-01/">
<ModifyLoadBalancerAttributesResult>
<Attributes>
<member>
<Value>true</Value>
<Key>access_logs.s3.enabled</Key>
</member>
<member>
<Value>my-loadbalancer-logs</Value>
<Key>access_logs.s3.bucket</Key>
</member>
<member>
<Value>myapp</Value>
<Key>access_logs.s3.prefix</Key>
</member>
<member>
<Value>60</Value>
<Key>idle_timeout.timeout_seconds</Key>
</member>
<member>
<Value>false</Value>
<Key>deletion_protection.enabled</Key>
</member>
</Attributes>
</ModifyLoadBalancerAttributesResult>
<ResponseMetadata>
<RequestId>095cb76d-f52e-11e5-bb98-57195a6eb84a</RequestId>
</ResponseMetadata>
</ModifyLoadBalancerAttributesResponse>
Enable connection logs.
This example enables connection logs, setting the specified S3 bucket and prefix location.
Sample Request
https://elasticloadbalancing.amazonaws.com/?Action=ModifyLoadBalancerAttributes
&LoadBalancerArn=arn:aws:elasticloadbalancing:us-west-2:123456789012:loadbalancer/app/my-load-balancer/50dc6c495c0c9188
&Attributes.member.1.Key=connection_logs.s3.enabled
&Attributes.member.1.Value=true
&Attributes.member.2.Key=connection_logs.s3.bucket
&Attributes.member.2.Value=my-loadbalancer-connection-logs
&Attributes.member.3.Key=connection_logs.s3.prefix
&Attributes.member.3.Value=myapp-connections
&Version=2015-12-01
&AUTHPARAMS
See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following: