According to a 2020 CNCF Survey, the NGINX Kubernetes Ingress Controller is the most used Ingress Controller with over 60% of participants using it. Find out what features we provide that our customers love the most. As the gateway to your Kubernetes Clusters, it is important to ensure that you are able to not only support and secure your Web Applications, but also your TCP/UDP applications. With advanced Custom Resource Definitions (CRD) configuring your NGINX Kubernetes Ingress Controller is much simpler than you may think.