API version 2012-06-01 of the Amazon Elastic Load Balancing SDK configuration.

One or more of the specified policies do not exist.

The specified load balancer does not exist.

A policy with the specified name already exists for this load balancer.

The requested configuration change is not valid.

One or more of the specified subnets do not exist.

The specified load balancer attribute does not exist.

The specified VPC has no associated Internet gateway.

A tag key was specified more than once.

A listener already exists for the specified load balancer name and port, but with a different instance port, protocol, or SSL certificate.

The quota for the number of tags that can be assigned to a load balancer has been reached.

One or more of the specified policy types do not exist.

The specified protocol or signature version is not supported.

The specified load balancer name already exists for this account.

One or more of the specified security groups do not exist.

The load balancer does not have a listener configured at the specified port.

The specified endpoint is not valid.

This operation is not allowed.

A request made by Elastic Load Balancing to another service exceeds the maximum request rate permitted for your account.

The specified value for the schema is not valid. You can only specify a scheme for load balancers in a VPC.

The quota for the number of load balancers has been reached.

The quota for the number of policies for this load balancer has been reached.

The specified ARN does not refer to a valid SSL certificate in AWS Identity and Access Management (IAM) or AWS Certificate Manager (ACM). Note that if you recently uploaded the certificate to IAM, this error might indicate that the certificate is not fully available yet.

Information about the AccessLog attribute.

See: newAccessLog smart constructor.

Create a value of AccessLog with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:emitInterval:AccessLog', accessLog_emitInterval - The interval for publishing the access logs. You can specify an interval of either 5 minutes or 60 minutes.

Default: 60 minutes

$sel:s3BucketPrefix:AccessLog', accessLog_s3BucketPrefix - The logical hierarchy you created for your Amazon S3 bucket, for example my-bucket-prefix/prod. If the prefix is not provided, the log is placed at the root level of the bucket.

$sel:s3BucketName:AccessLog', accessLog_s3BucketName - The name of the Amazon S3 bucket where the access logs are stored.

$sel:enabled:AccessLog', accessLog_enabled - Specifies whether access logs are enabled for the load balancer.

The interval for publishing the access logs. You can specify an interval of either 5 minutes or 60 minutes.

Default: 60 minutes

The logical hierarchy you created for your Amazon S3 bucket, for example my-bucket-prefix/prod. If the prefix is not provided, the log is placed at the root level of the bucket.

The name of the Amazon S3 bucket where the access logs are stored.

Specifies whether access logs are enabled for the load balancer.

Information about additional load balancer attributes.

See: newAdditionalAttribute smart constructor.

Create a value of AdditionalAttribute with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:value:AdditionalAttribute', additionalAttribute_value - This value of the attribute.

$sel:key:AdditionalAttribute', additionalAttribute_key - The name of the attribute.

The following attribute is supported.

• elb.http.desyncmitigationmode - Determines how the load balancer handles requests that might pose a security risk to your application. The possible values are monitor, defensive, and strictest. The default is defensive.

This value of the attribute.

The name of the attribute.

The following attribute is supported.

• elb.http.desyncmitigationmode - Determines how the load balancer handles requests that might pose a security risk to your application. The possible values are monitor, defensive, and strictest. The default is defensive.

Information about a policy for application-controlled session stickiness.

See: newAppCookieStickinessPolicy smart constructor.

Create a value of AppCookieStickinessPolicy with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:policyName:AppCookieStickinessPolicy', appCookieStickinessPolicy_policyName - The mnemonic name for the policy being created. The name must be unique within a set of policies for this load balancer.

$sel:cookieName:AppCookieStickinessPolicy', appCookieStickinessPolicy_cookieName - The name of the application cookie used for stickiness.

The mnemonic name for the policy being created. The name must be unique within a set of policies for this load balancer.

The name of the application cookie used for stickiness.

Information about the configuration of an EC2 instance.

See: newBackendServerDescription smart constructor.

Create a value of BackendServerDescription with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:policyNames:BackendServerDescription', backendServerDescription_policyNames - The names of the policies enabled for the EC2 instance.

$sel:instancePort:BackendServerDescription', backendServerDescription_instancePort - The port on which the EC2 instance is listening.

The names of the policies enabled for the EC2 instance.

The port on which the EC2 instance is listening.

Information about the ConnectionDraining attribute.

See: newConnectionDraining smart constructor.

Create a value of ConnectionDraining with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:timeout:ConnectionDraining', connectionDraining_timeout - The maximum time, in seconds, to keep the existing connections open before deregistering the instances.

$sel:enabled:ConnectionDraining', connectionDraining_enabled - Specifies whether connection draining is enabled for the load balancer.

The maximum time, in seconds, to keep the existing connections open before deregistering the instances.

Specifies whether connection draining is enabled for the load balancer.

Information about the ConnectionSettings attribute.

See: newConnectionSettings smart constructor.

Create a value of ConnectionSettings with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:idleTimeout:ConnectionSettings', connectionSettings_idleTimeout - The time, in seconds, that the connection is allowed to be idle (no data has been sent over the connection) before it is closed by the load balancer.

The time, in seconds, that the connection is allowed to be idle (no data has been sent over the connection) before it is closed by the load balancer.

Information about the CrossZoneLoadBalancing attribute.

See: newCrossZoneLoadBalancing smart constructor.

Create a value of CrossZoneLoadBalancing with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:enabled:CrossZoneLoadBalancing', crossZoneLoadBalancing_enabled - Specifies whether cross-zone load balancing is enabled for the load balancer.

Specifies whether cross-zone load balancing is enabled for the load balancer.

Information about a health check.

See: newHealthCheck smart constructor.

Create a value of HealthCheck with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:target:HealthCheck', healthCheck_target - The instance being checked. The protocol is either TCP, HTTP, HTTPS, or SSL. The range of valid ports is one (1) through 65535.

TCP is the default, specified as a TCP: port pair, for example "TCP:5000". In this case, a health check simply attempts to open a TCP connection to the instance on the specified port. Failure to connect within the configured timeout is considered unhealthy.

SSL is also specified as SSL: port pair, for example, SSL:5000.

For HTTP/HTTPS, you must include a ping path in the string. HTTP is specified as a HTTP:port;/;PathToPing; grouping, for example "HTTP:80/weather/us/wa/seattle". In this case, a HTTP GET request is issued to the instance on the given port and path. Any answer other than "200 OK" within the timeout period is considered unhealthy.

The total length of the HTTP ping target must be 1024 16-bit Unicode characters or less.

$sel:interval:HealthCheck', healthCheck_interval - The approximate interval, in seconds, between health checks of an individual instance.

$sel:timeout:HealthCheck', healthCheck_timeout - The amount of time, in seconds, during which no response means a failed health check.

This value must be less than the Interval value.

$sel:unhealthyThreshold:HealthCheck', healthCheck_unhealthyThreshold - The number of consecutive health check failures required before moving the instance to the Unhealthy state.

$sel:healthyThreshold:HealthCheck', healthCheck_healthyThreshold - The number of consecutive health checks successes required before moving the instance to the Healthy state.

The instance being checked. The protocol is either TCP, HTTP, HTTPS, or SSL. The range of valid ports is one (1) through 65535.

TCP is the default, specified as a TCP: port pair, for example "TCP:5000". In this case, a health check simply attempts to open a TCP connection to the instance on the specified port. Failure to connect within the configured timeout is considered unhealthy.

SSL is also specified as SSL: port pair, for example, SSL:5000.

For HTTP/HTTPS, you must include a ping path in the string. HTTP is specified as a HTTP:port;/;PathToPing; grouping, for example "HTTP:80/weather/us/wa/seattle". In this case, a HTTP GET request is issued to the instance on the given port and path. Any answer other than "200 OK" within the timeout period is considered unhealthy.

The total length of the HTTP ping target must be 1024 16-bit Unicode characters or less.

The approximate interval, in seconds, between health checks of an individual instance.

The amount of time, in seconds, during which no response means a failed health check.

This value must be less than the Interval value.

The number of consecutive health check failures required before moving the instance to the Unhealthy state.

The number of consecutive health checks successes required before moving the instance to the Healthy state.

The ID of an EC2 instance.

See: newInstance smart constructor.

Create a value of Instance with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:instanceId:Instance', instance_instanceId - The instance ID.

The instance ID.

Information about the state of an EC2 instance.

See: newInstanceState smart constructor.

Create a value of InstanceState with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:instanceId:InstanceState', instanceState_instanceId - The ID of the instance.

$sel:state:InstanceState', instanceState_state - The current state of the instance.

Valid values: InService | OutOfService | Unknown

$sel:reasonCode:InstanceState', instanceState_reasonCode - Information about the cause of OutOfService instances. Specifically, whether the cause is Elastic Load Balancing or the instance.

Valid values: ELB | Instance | N/A

$sel:description:InstanceState', instanceState_description - A description of the instance state. This string can contain one or more of the following messages.

• N/A

• A transient error occurred. Please try again later.

• Instance has failed at least the UnhealthyThreshold number of health checks consecutively.

• Instance has not passed the configured HealthyThreshold number of health checks consecutively.

• Instance registration is still in progress.

• Instance is in the EC2 Availability Zone for which LoadBalancer is not configured to route traffic to.

• Instance is not currently registered with the LoadBalancer.

• Instance deregistration currently in progress.

• Disable Availability Zone is currently in progress.

• Instance is in pending state.

• Instance is in stopped state.

• Instance is in terminated state.

The ID of the instance.

The current state of the instance.

Valid values: InService | OutOfService | Unknown

Information about the cause of OutOfService instances. Specifically, whether the cause is Elastic Load Balancing or the instance.

Valid values: ELB | Instance | N/A

A description of the instance state. This string can contain one or more of the following messages.

• N/A

• A transient error occurred. Please try again later.

• Instance has failed at least the UnhealthyThreshold number of health checks consecutively.

• Instance has not passed the configured HealthyThreshold number of health checks consecutively.

• Instance registration is still in progress.

• Instance is in the EC2 Availability Zone for which LoadBalancer is not configured to route traffic to.

• Instance is not currently registered with the LoadBalancer.

• Instance deregistration currently in progress.

• Disable Availability Zone is currently in progress.

• Instance is in pending state.

• Instance is in stopped state.

• Instance is in terminated state.

Information about a policy for duration-based session stickiness.

See: newLBCookieStickinessPolicy smart constructor.

Create a value of LBCookieStickinessPolicy with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:policyName:LBCookieStickinessPolicy', lBCookieStickinessPolicy_policyName - The name of the policy. This name must be unique within the set of policies for this load balancer.

$sel:cookieExpirationPeriod:LBCookieStickinessPolicy', lBCookieStickinessPolicy_cookieExpirationPeriod - The time period, in seconds, after which the cookie should be considered stale. If this parameter is not specified, the stickiness session lasts for the duration of the browser session.

The name of the policy. This name must be unique within the set of policies for this load balancer.

The time period, in seconds, after which the cookie should be considered stale. If this parameter is not specified, the stickiness session lasts for the duration of the browser session.

Information about an Elastic Load Balancing resource limit for your AWS account.

See: newLimit smart constructor.

Create a value of Limit with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:max:Limit', limit_max - The maximum value of the limit.

$sel:name:Limit', limit_name - The name of the limit. The possible values are:

• classic-listeners
• classic-load-balancers
• classic-registered-instances

The maximum value of the limit.

The name of the limit. The possible values are:

• classic-listeners
• classic-load-balancers
• classic-registered-instances

Information about a listener.

For information about the protocols and the ports supported by Elastic Load Balancing, see Listeners for Your Classic Load Balancer in the Classic Load Balancers Guide.

See: newListener smart constructor.

Create a value of Listener with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:instanceProtocol:Listener', listener_instanceProtocol - The protocol to use for routing traffic to instances: HTTP, HTTPS, TCP, or SSL.

If the front-end protocol is TCP or SSL, the back-end protocol must be TCP or SSL. If the front-end protocol is HTTP or HTTPS, the back-end protocol must be HTTP or HTTPS.

If there is another listener with the same InstancePort whose InstanceProtocol is secure, (HTTPS or SSL), the listener's InstanceProtocol must also be secure.

If there is another listener with the same InstancePort whose InstanceProtocol is HTTP or TCP, the listener's InstanceProtocol must be HTTP or TCP.

$sel:sSLCertificateId:Listener', listener_sSLCertificateId - The Amazon Resource Name (ARN) of the server certificate.

$sel:protocol:Listener', listener_protocol - The load balancer transport protocol to use for routing: HTTP, HTTPS, TCP, or SSL.

$sel:loadBalancerPort:Listener', listener_loadBalancerPort - The port on which the load balancer is listening. On EC2-VPC, you can specify any port from the range 1-65535. On EC2-Classic, you can specify any port from the following list: 25, 80, 443, 465, 587, 1024-65535.

$sel:instancePort:Listener', listener_instancePort - The port on which the instance is listening.

The protocol to use for routing traffic to instances: HTTP, HTTPS, TCP, or SSL.

If the front-end protocol is TCP or SSL, the back-end protocol must be TCP or SSL. If the front-end protocol is HTTP or HTTPS, the back-end protocol must be HTTP or HTTPS.

If there is another listener with the same InstancePort whose InstanceProtocol is secure, (HTTPS or SSL), the listener's InstanceProtocol must also be secure.

If there is another listener with the same InstancePort whose InstanceProtocol is HTTP or TCP, the listener's InstanceProtocol must be HTTP or TCP.

The Amazon Resource Name (ARN) of the server certificate.

The load balancer transport protocol to use for routing: HTTP, HTTPS, TCP, or SSL.

The port on which the load balancer is listening. On EC2-VPC, you can specify any port from the range 1-65535. On EC2-Classic, you can specify any port from the following list: 25, 80, 443, 465, 587, 1024-65535.

The port on which the instance is listening.

The policies enabled for a listener.

See: newListenerDescription smart constructor.

Create a value of ListenerDescription with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:policyNames:ListenerDescription', listenerDescription_policyNames - The policies. If there are no policies enabled, the list is empty.

$sel:listener:ListenerDescription', listenerDescription_listener - The listener.

The policies. If there are no policies enabled, the list is empty.

The listener.

The attributes for a load balancer.

See: newLoadBalancerAttributes smart constructor.

Create a value of LoadBalancerAttributes with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:crossZoneLoadBalancing:LoadBalancerAttributes', loadBalancerAttributes_crossZoneLoadBalancing - If enabled, the load balancer routes the request traffic evenly across all instances regardless of the Availability Zones.

For more information, see Configure Cross-Zone Load Balancing in the Classic Load Balancers Guide.

$sel:accessLog:LoadBalancerAttributes', loadBalancerAttributes_accessLog - If enabled, the load balancer captures detailed information of all requests and delivers the information to the Amazon S3 bucket that you specify.

For more information, see Enable Access Logs in the Classic Load Balancers Guide.

$sel:additionalAttributes:LoadBalancerAttributes', loadBalancerAttributes_additionalAttributes - Any additional attributes.

$sel:connectionSettings:LoadBalancerAttributes', loadBalancerAttributes_connectionSettings - If enabled, the load balancer allows the connections to remain idle (no data is sent over the connection) for the specified duration.

By default, Elastic Load Balancing maintains a 60-second idle connection timeout for both front-end and back-end connections of your load balancer. For more information, see Configure Idle Connection Timeout in the Classic Load Balancers Guide.

$sel:connectionDraining:LoadBalancerAttributes', loadBalancerAttributes_connectionDraining - If enabled, the load balancer allows existing requests to complete before the load balancer shifts traffic away from a deregistered or unhealthy instance.

For more information, see Configure Connection Draining in the Classic Load Balancers Guide.

If enabled, the load balancer routes the request traffic evenly across all instances regardless of the Availability Zones.

For more information, see Configure Cross-Zone Load Balancing in the Classic Load Balancers Guide.

If enabled, the load balancer captures detailed information of all requests and delivers the information to the Amazon S3 bucket that you specify.

For more information, see Enable Access Logs in the Classic Load Balancers Guide.

Any additional attributes.

If enabled, the load balancer allows the connections to remain idle (no data is sent over the connection) for the specified duration.

By default, Elastic Load Balancing maintains a 60-second idle connection timeout for both front-end and back-end connections of your load balancer. For more information, see Configure Idle Connection Timeout in the Classic Load Balancers Guide.

If enabled, the load balancer allows existing requests to complete before the load balancer shifts traffic away from a deregistered or unhealthy instance.

For more information, see Configure Connection Draining in the Classic Load Balancers Guide.

Information about a load balancer.

See: newLoadBalancerDescription smart constructor.