Use the HAProxy Runtime API to update SSL certificates in HAProxy without a reload. When you route traffic through an HAProxy load balancer, you gain the ability to terminate SSL at the load balancer. HAProxy encrypts communication between the client and itself and then sends the decrypted messages to your backend servers, which means less CPU work on the servers because there’s no encryption work left to do.

HAProxy gives you an arsenal of sophisticated countermeasures including deny, tarpit, silent drop, reject, and shadowban to stop malicious users. There are two phases to stopping malicious users from abusing your website and online applications. Step one is detection, step two is deploying countermeasures. HAProxy is more powerful than nearly every other load balancer when it comes to both detection and countermeasures.

The HAProxy Kubernetes Ingress Controller integrates with cert-manager to provide Let’s Encrypt TLS certificates. When it comes to TLS in Kubernetes, the first thing to appreciate when you use the HAProxy Ingress Controller is that all traffic for all services travelling to your Kubernetes cluster passes through HAProxy. Requests are then routed towards the appropriate backend services depending on metadata in the request, such as the Host header.