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Træfik Hub Note Caddy-L4

Layer 4 proxy module for the Caddy server

Reverse Proxy & Gateways ★ 1.7k stars Medium setup Apache-2.0

Caddy-L4 is an experimental application-layer-aware Layer 4 proxy app for the Caddy server, enabling TCP and UDP routing alongside Caddy's HTTP features. It allows protocol multiplexing on a single port.

Official siteSource code

Key features

  • TCP and UDP proxying
  • Protocol multiplexing
  • Caddy integration
  • Connection matchers

Pros & cons

Strengths

  • Extends Caddy nicely
  • Port multiplexing

Trade-offs

  • Marked experimental
  • Requires Caddy knowledge

Træfik Hub Note Caddy-L4 replaces

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