In addition to the common features mentioned above (i.e. SSL Termination, Sticky Sessions), the ALB manages routing based on user-defined rules.

A request to a URL which resolves to a single ALB can in turn route traffic to different services based on either the host or the content of the path contained within that URL.

SSL Termination

While SSL termination is supported by both ELB and ALB, ALB is better suited to perform this.

WAF?

AWS WAF (Web Application Firewall) is available on the Application Load Balancer (ALB). You can now use AWS WAF directly on Application Load Balancers (both internal and external) in a VPC, to protect your websites and web services.

With this launch customers can now use AWS WAF on both Amazon CloudFront and Application Load Balancer. Also, origin EC2 servers can be

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