This might give you a nice idea of how HAProxy provides the feature. https://www.haproxy.com/blog/use-a-load-balancer-as-a-first-row-of-defense-against-ddos/ ht

This might give you a nice idea of how HAProxy provides the feature. https://www.haproxy.com/blog/use-a-load-balancer-as-a-first-row-of-defense-against-ddos/ https://www.haproxy.com/blog/use-a-load-balancer-as-a-first-...