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CnCNet Server

Tunnel server for hosting Command and Conquer multiplayer games

Game Servers ★ 16 stars Medium setup GPL-3.0

CnCNet Server is the open-source tunnel server software behind the CnCNet community, enabling online multiplayer for classic Command and Conquer games. Running your own instance provides a private relay for matches.

Official siteSource code

Key features

  • Classic C&C multiplayer relay
  • Lightweight tunnel server
  • Private match hosting
  • Open-source

Strengths

  • Released under the GPL-3.0 license
  • Written in C#
  • Tiny footprint — runs in 256 MB RAM

Is CnCNet Server secure?

OSV.dev has no published security advisories for CnCNet Server's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

CnCNet Server replaces

Self-hosted proprietary game matchmaking servers alternatives

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