Listener configurations for Classic Load Balancers
The following table describes possible configurations for HTTP and HTTPS listeners for a Classic Load Balancer.
| Use case | Front-end protocol | Front-end options | Back-end protocol | Back-end options | Notes | 
|---|---|---|---|---|---|
| Basic HTTP load balancer | HTTP | NA | HTTP | NA | 
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| Secure website or application using Elastic Load Balancing to offload SSL decryption | HTTPS | SSL negotiation | HTTP | NA | 
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| Secure website or application using end-to-end encryption | HTTPS | SSL negotiation | HTTPS | Back-end authentication | 
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The following table describes possible configurations for TCP and SSL listeners for a Classic Load Balancer.
| Use case | Front-end protocol | Front-end options | Back-end protocol | Back-end options | Notes | 
|---|---|---|---|---|---|
| Basic TCP load balancer | TCP | NA | TCP | NA | 
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| Secure website or application using Elastic Load Balancing to offload SSL decryption | SSL | SSL negotiation | TCP | NA | 
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| Secure website or application using end-to-end encryption with Elastic Load Balancing | SSL | SSL negotiation | SSL | Back-end authentication | 
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