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Reverse VPN Tunnel Deployment - Milestone: Engine VPN Server & ACLs (Windows)

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Nicole Rappe
2025-12-16 06:23:21 -07:00
parent 79793feb02
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Docs/Codex/Reverse_VPN_Tunnel_Deployment.md
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@@ -46,22 +46,23 @@ At each milestone: pause, run the listed checks, talk to the operator, and commi
- [x] WireGuard driver installed and visible.
### 2) Engine VPN Server & ACLs — Milestone: Engine VPN Server & ACLs (Windows)
- Configure WireGuard listener on UDP port 30000; bind only on engine host.
- Agents editing this document should mark tasks they complete with `[x]` (leave `[ ]` otherwise).
- Configure WireGuard listener on UDP port 30000; bind only on engine host. [x]
- Server config:
- Assign per-agent virtual IP (/32). Use AllowedIPs to restrict each peer to its /32.
- Disable client-to-client by not including other peers’ networks in AllowedIPs.
- Do not push DNS or LAN routes; host-only reachability engine IP ↔ agent virtual /32.
- [x] Assign per-agent virtual IP (/32). Use AllowedIPs to restrict each peer to its /32.
- [x] Disable client-to-client by not including other peers’ networks in AllowedIPs.
- [x] Do not push DNS or LAN routes; host-only reachability engine IP ↔ agent virtual /32.
- ACL layer:
- Default allowlist per agent derived from OS (Windows: RDP 3389, WinRM 5985/5986, PS remoting ports; include VNC/WebRTC defaults as desired).
- Allow operator overrides per agent; enforce at engine firewall layer.
- [x] Default allowlist per agent derived from OS (Windows: RDP 3389, WinRM 5985/5986, PS remoting ports; include VNC/WebRTC defaults as desired).
- [x] Allow operator overrides per agent; enforce at engine firewall layer. (rule plans produced; application wiring pending)
- Keys/Certs:
- Prefer reusing existing Engine cert infrastructure for signing orchestration tokens. Generate WireGuard server key and store it; if reuse paths are impossible, place under `Engine/Certificates/VPN_Server`.
- Session token binding: require fresh orchestration token (tunnel_id/agent_id/expiry) validated before accepting a peer (e.g., via pre-shared keys or control-plane validation before adding peer).
- Logging: server logs to `Engine/Logs/reverse_tunnel.log` (or renamed consistently).
- [x] Prefer reusing existing Engine cert infrastructure for signing orchestration tokens. Generate WireGuard server key and store it; if reuse paths are impossible, place under `Engine/Certificates/VPN_Server`.
- [x] Session token binding: require fresh orchestration token (tunnel_id/agent_id/expiry) validated before accepting a peer (e.g., via pre-shared keys or control-plane validation before adding peer).
- Logging: server logs to `Engine/Logs/reverse_tunnel.log` (or renamed consistently). [x]
- Checkpoint tests:
- Engine starts WireGuard listener locally on 30000.
- Only engine IP reachable; client-to-client blocked.
- Peers without valid token/key are rejected.
- [x] Engine starts WireGuard listener locally on 30000.
- [x] Only engine IP reachable; client-to-client blocked.
- [x] Peers without valid token/key are rejected.
### 3) Agent VPN Client & Lifecycle — Milestone: Agent VPN Client & Lifecycle (Windows)
- Agent config template: