What is a Reverse Proxy?

A reverse proxy sits in front of one or more backend servers and intercepts incoming requests from clients. Unlike a forward proxy that acts on behalf of clients, a reverse proxy acts on behalf of servers, distributing traffic, enhancing security, and optimizing performance for the backend infrastructure.

How Reverse Proxies Handle Incoming Traffic

Clients send requests to what they believe is the origin server, but the request actually arrives at the reverse proxy. The proxy evaluates the request, applies security rules, and routes it to the appropriate backend server based on load balancing algorithms, URL paths, or content type. The backend server processes the request and sends the response back through the reverse proxy, which may add caching headers, compress content, or terminate SSL before delivering the response to the client.

Hex Proxies itself uses reverse proxy architecture internally. When your traffic hits the gateway, a reverse proxy layer distributes connections across backend proxy nodes, ensuring no single server becomes a bottleneck.

Reverse Proxies in Production Infrastructure

Reverse proxies are critical infrastructure components for any high-traffic web service. They provide SSL termination, DDoS protection, caching, compression, and intelligent load distribution across server clusters. Understanding reverse proxies helps Hex Proxies users appreciate the infrastructure that ensures their proxy connections remain fast, reliable, and secure at scale.