Tailscale WireGuard VPN: Zero-config P2P 100 Devices Free ACL Subnet Router

Tailscale: WireGuard P2P VPN ใช้งานง่าย - เชื่อมทุกเครื่องเหมือน LAN เดียวกัน

Tailscale สร้าง Zero-Config VPN ด้วย WireGuard รองรับ Win/Linux/Mac/iOS/Android Identity-based access Subnet router เน็ตต่ำ ฟรี 100 devices

Tailscale vs Traditional VPN

Core Architecture

Internet → Tailscale Coordination Server → WireGuard P2P
                           ↓
                DERP relays (if direct blocked)

Quick Setup (2 mins)

# Linux
curl -fsSL https://tailscale.com/install.sh | sh
sudo tailscale up

# Windows/Mac: Download → Login → Done

# iOS/Android: App Store → Login

ACL Policies (JSON)

{
  "acls": [
    {"action": "accept", "src": ["user:[email protected]"], "dst": ["*:80", "*:443"]},
    {"action": "accept", "src": ["tag:server"], "dst": ["*:*"]}
  ],
  "tagOwners": {
    "tag:server": ["user:[email protected]"]
  }
}

Production Use Cases

🏠 Home Lab: Mac → Home Server (SSH/RDP)
💻 Remote Dev: Laptop → Office K8s
👥 Team VPN: 50 devs → Internal tools
🌐 Headless: Pi → Monitoring dashboard
🛠️ IoT: Phone → Raspberry Pi sensors

Subnet Router Magic

Office Router (no Tailscale):
192.168.1.0/24 → Tailscale Linux box → Your laptop

SSH 192.168.1.100 from anywhere
RDP 192.168.1.50 from iPhone

Pricing Tiers

Security Model

✅ WireGuard end-to-end encryption
✅ Noise protocol handshake
✅ Short-lived keys (24h)
✅ Identity-first (OAuth/OIDC)
✅ Device approval workflow
✅ Audit logs (Enterprise)

MagicDNS

tailnet.ts.net → 100.64.x.x (CGNAT)
phone.tail123.ts.net → iPhone
server.tail123.ts.net → Ubuntu
db.tail123.ts.net → PostgreSQL

Advanced Features

🔒 ACL: User/group/tag-based
🌐 Exit Node: Route all traffic
🔄 SSH: Built-in (no keys)
📱 Mobile: Always-on VPN
⚙️ Exit Node: PiVPN replacement

Migration from Competitors

ZeroTier → Tailscale: 10 mins
OpenVPN → Tailscale: Kill server
WireGuard → Tailscale: Remove configs
Hysteria → Tailscale: NAT works
ngrok → Tailscale: TCP/UDP + SSH