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Erebus, A VPN client that runs rootless in user space

Erebus, A VPN client that runs rootless in user space

by tlar·Jun 3, 2026·60 points·0 comments

AI Analysis

●●●BangerWizardryBig BrainSolve My Problem

User-space TCP/IP stack means VPN works in containers without privileged mode.

Strengths
  • Own TCP/IP stack in user space eliminates root requirements entirely
  • HTTP proxy interface integrates cleanly with existing tooling and curl
  • Solves real pain point: VPN access in locked-down containers and CI runners
Weaknesses
  • HTTP proxy model limits traffic types—won't handle non-HTTP protocols
  • Only OpenVPN static-key and IPsec/IKEv2, no full OpenVPN auth support
Target Audience

DevOps engineers, container users, CI/CD pipeline developers

Similar To

Tailscale · WireGuard · OpenVPN

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