firefox | The HProxy Blog

Topic firefox

The Proxy Server Is Refusing Connections: How to Fix It

The proxy server is refusing connections in Firefox or Tor? Here is what the error means and how to fix every cause, from a dead proxy to the wrong protocol.

July 3, 2026 · 9 min read

Proxies that don't die mid-job

Residential, ISP, datacenter and mobile, verified by the same engine that runs tens of millions of checks. They read as a real device and hold up under load. Pay as you go, and your balance never expires.

See plans & pricing→ Or grab free proxies to test

47M+ proxy checks run · 100+ countries · HTTP / HTTPS / SOCKS · re-checked every few minutes · no signup