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Add infrastructure documentation

2026-01-18 16:57:25 +02:00

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Phase 5: Hardened RustDesk Self-Hosted Setup

Status: ✅ SERVER-SIDE COMPLETE

Last Verified: 2026-01-18

Goal

Deploy a high-security, self-hosted RustDesk infrastructure with custom ID server, relay server, and end-to-end encryption using your own keypair.

Current State

Server Components

Component	Container	Status	Ports
ID Server	rustdesk-hbbs	✅ Running	TCP 21115-21116, UDP 21116, WS 21118-21119
Relay Server	rustdesk-hbbr	✅ Running	TCP 21117

Configuration

Parameter	Value
Public Key	`+Xlxh96tqwh9tD58ctOmB05Qpfs0ByCoLQcF+yCw0J8=`
ID Server	rustdesk.xtrm-lab.org:21116
Relay Server	rustdesk.xtrm-lab.org:21117
DNS	rustdesk.xtrm-lab.org → 62.73.120.142
Data Path	/mnt/user/appdata/rustdesk-server

MikroTik NAT Rules

Rule	Protocol	WAN Port	Destination
RustDesk NAT Test	TCP	21115	192.168.31.2:21115
RustDesk ID Server	TCP	21116	192.168.31.2:21116
RustDesk ID Server	UDP	21116	192.168.31.2:21116
RustDesk Relay	TCP	21117	192.168.31.2:21117

Port Connectivity (Verified)

Port	Protocol	Status
21116	TCP	✅ Accessible
21117	TCP	✅ Accessible

Client Configuration

To connect RustDesk clients to your self-hosted server:

Settings

ID Server: rustdesk.xtrm-lab.org
Relay Server: rustdesk.xtrm-lab.org
Key: +Xlxh96tqwh9tD58ctOmB05Qpfs0ByCoLQcF+yCw0J8=

Connection String (for quick setup)

rustdesk.xtrm-lab.org,+Xlxh96tqwh9tD58ctOmB05Qpfs0ByCoLQcF+yCw0J8=

Verification Checklist

Server-Side (Complete)

Keypair generated: /mnt/user/appdata/rustdesk-server/id_ed25519*
hbbs container running
hbbr container running
MikroTik NAT rules configured (4 rules)
DNS resolves: rustdesk.xtrm-lab.org → 62.73.120.142
Port 21116 accessible from external
Port 21117 accessible from external

Client-Side (Pending User Testing)

Client connects with public key
Remote session works between two clients
Relay works when direct P2P fails

Architecture

                              Internet
                                 │
                    ┌────────────▼────────────┐
                    │  MikroTik (62.73.120.142)│
                    │  NAT Rules:             │
                    │  TCP 21115-21117        │
                    │  UDP 21116              │
                    └────────────┬────────────┘
                                 │
              ┌──────────────────┼──────────────────┐
              │                  │                  │
              ▼                  ▼                  ▼
    ┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
    │ hbbs (ID Server)│ │ hbbr (Relay)    │ │ RustDesk Client │
    │ TCP 21115-21116 │ │ TCP 21117       │ │ Your devices    │
    │ UDP 21116       │ │                 │ │                 │
    │ WS 21118-21119  │ │                 │ │                 │
    └─────────────────┘ └─────────────────┘ └─────────────────┘

Container Details

hbbs (ID/Rendezvous Server)

Image: rustdesk/rustdesk-server:latest
Command: hbbs -r rustdesk.xtrm-lab.org:21117 -k _
Volume: /mnt/user/appdata/rustdesk-server:/root
Ports: 21115, 21116 (TCP+UDP), 21118, 21119

hbbr (Relay Server)

Image: rustdesk/rustdesk-server:latest
Command: hbbr -k _
Volume: /mnt/user/appdata/rustdesk-server:/root
Ports: 21117

Note: The -k _ flag enforces encrypted connections using the keypair.

Security Features

End-to-End Encryption: All connections encrypted with Ed25519 keypair
Key Verification: Clients must have correct public key to connect
Self-Hosted: No third-party servers involved
Encrypted-Only Mode: Unencrypted connections rejected

Maintenance

View Logs

docker logs rustdesk-hbbs --tail 50
docker logs rustdesk-hbbr --tail 50

Restart Services

docker restart rustdesk-hbbs rustdesk-hbbr

Key Rotation

# Generate new keypair
docker run --rm -v /mnt/user/appdata/rustdesk-server:/data rustdesk/rustdesk-server hbbs -g

# Restart containers
docker restart rustdesk-hbbs rustdesk-hbbr

# Update all clients with new public key

Rollback Procedure

# Stop and remove containers
docker stop rustdesk-hbbs rustdesk-hbbr
docker rm rustdesk-hbbs rustdesk-hbbr

# Remove MikroTik NAT rules (via SSH)
/ip/firewall/nat remove [find comment~RustDesk]

00-CURRENT-STATE.md - Infrastructure overview
04-PHASE4-REMOTE-GAMING.md - Sunshine/Moonlight setup

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