HAProxy

HAProxy is a high-performance load balancer and proxy server for TCP and HTTP applications.

What is HAProxy?

HAProxy is a free, open-source load balancer and proxy server for TCP and HTTP applications, known for high performance, reliability, and extensive features.

HAProxy features

Layer 4 and Layer 7 load balancing, Health checks, SSL termination, Rate limiting, ACLs.

Common misconceptions

"HAProxy is just a load balancer" — Full proxy server
"Nginx replaces HAProxy" — Different strengths
"HAProxy is hard to configure" — Well-documented