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Home > Guides > Dashboard Users Guide > Clouds > AWS Regions > Load Balancing > Actions > Add Listeners to an Elastic Load Balancer

Add Listeners to an Elastic Load Balancer


To add listeners to an existing Amazon Elastic Load Balancer (ELB).

Table of Contents


  • An existing ELB
  • 'actor' user role privileges
  • To add a Listener for SSL communications, you'll need a Server Certificate.


When you first create a new Elastic Load Balancer, it's automatically set up with one listener already predefined.  By default, an ELB will be configured to listen over HTTP on port 80 and forward traffic to port 80 on the receiving EC2 instances, which are typically your application servers.

  • HTTP; 80->80

To add additional listeners or make changes to existing ones, use the Listeners tab of the ELB. 


Go to Clouds > AWS Region > Load Balancing.

Select an existing ELB from the list.

Click Add Listener.

To add a Listener, specify the following information:

  • Load Balancer Protocol - The routing transport protocol that will be used by the ELB.
    • HTTP
    • HTTPS
    • TCP
    • SSL
  • Load Balancer Port - External port that the ELB will listen on to accept client requests.  Valid ports are 80, 443, 1024-65535.
  • Instance Protocol - The front end protocol used by the instance.
  • Instance Port - The port that the ELB will use to send traffic to the application instances.  Valid ports are 1 to 65535.  The Instance Port does not have to match the Load Balancer Port.
  • Certificate (for HTTPS and SSL only) - Select or upload the Server Certificate that will be used for encryption purposes.  See Server Certificates.
  • Stickiness - (HTTP and HTTPS only) - Use stickiness to bind a user's session to a specific application instance. Also known as session affinity. 
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Last modified
14:43, 22 May 2013


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