networking

What is HAProxy?

A high-performance TCP/HTTP load balancer and proxy. In Kubernetes setups, HAProxy is commonly used as a reverse proxy to terminate TLS and forward traffic to ingress controller NodePorts.

Related Calculators

K8s Bandwidth

Estimate internal pod-to-pod bandwidth, external egress, and recommended NIC size for your Kubernetes cluster. Accounts for service mesh overhead and Hetzner egress pricing.

Related Generators

HAProxy Config

Generate a production-ready haproxy.cfg for load balancing the Kubernetes API server and Ingress controller. Supports 1–3 control plane nodes with TCP passthrough.

Related Comparisons

NGINX Ingress vs HAProxy Ingress

NGINX Ingress Controller vs HAProxy Ingress — performance, TCP load balancing, active health checks, and hot reload. Which ingress is better for high-traffic Kubernetes?

Keepalived vs MetalLB

Keepalived vs MetalLB for bare metal Kubernetes load balancing — when to use VRRP Floating IPs with HAProxy vs MetalLB's BGP/L2 mode for in-cluster load balancing.

Traefik vs HAProxy Ingress

Traefik vs HAProxy Kubernetes ingress controllers — configuration UX, performance, TCP/UDP routing, middleware, and use case fit for self-hosted clusters.

Related Terms

Ingress Controller Keepalived