In a clustering environment, applying SSL does not seem as straightforward as in a single-server environment. We have a load balancer and worker nodes in a cluster, so we need to decide in which place we should enable SSL. Here are the two possible places:
In practice, we usually enable SSL between users and the load balancer to secure their communication, and use cleartext communication between the load balancer and the worker nodes. Here is the deployment diagram:
This is reasonable because the ...
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