How to Setup VPN on DrayTek Router - Security Warning

Last updated: January 11, 2025
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DrayTek Vigor series routers are popular in business environments for their robust VPN capabilities. While these routers support multiple VPN protocols, it's crucial to understand the security implications of each option, especially regarding the severely compromised PPTP protocol.

🚨 CRITICAL PPTP SECURITY WARNING 🚨

PPTP is completely broken and should NEVER be used:

  • 💀 Cracked in minutes using basic tools
  • 💀 MS-CHAPv2 authentication is compromised
  • 💀 Provides NO real security
  • 💀 Your business data WILL be exposed

USE IPsec OR OpenVPN INSTEAD!

DrayTek Router Compatibility

Model Series IPsec Support OpenVPN WireGuard Recommendation
Vigor 2960/2962 ✅ Full ✅ Client/Server Use IPsec
Vigor 2865/2866 ✅ Full ✅ Client Use IPsec
Vigor 2830/2832 ✅ Full ⚠️ Limited Use IPsec
Vigor 2760/2762 ✅ Full IPsec only

Secure VPN Protocol Options

✅ Use These Secure Protocols Instead of PPTP

Protocol Security Speed DrayTek Support
IPsec ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐ All models
OpenVPN ⭐⭐⭐⭐⭐ ⭐⭐⭐ Selected models
L2TP/IPsec ⭐⭐⭐⭐ ⭐⭐⭐ All models
PPTP ❌ BROKEN ⭐⭐⭐⭐⭐ Never use!

Recommended: IPsec VPN Setup

Step 1: Access DrayTek Web Interface

  1. Connect to router via Ethernet
  2. Navigate to 192.168.1.1 (default)
  3. Login with admin credentials

Step 2: Create IPsec Profile

  1. Go to VPN and Remote AccessLAN to LAN
  2. Click an empty profile index
  3. Configure as follows:

Common Settings:

  • Profile Name: TorGuard IPsec
  • Enable this profile: ✓ Checked
  • Call Direction: Dial-Out
  • Always On: ✓ Checked

Dial-Out Settings (IPsec):

  • Type: IPsec Tunnel
  • Server IP: TorGuard server address
  • IKE Authentication: Pre-Shared Key
  • Pre-Shared Key: torguard
  • Security Protocol: ESP
  • Encryption: AES256
  • Authentication: SHA256

TCP/IP Network Settings:

  • Remote Network IP: 10.8.0.0
  • Remote Mask: 255.255.0.0
  • RIP Direction: Disable
  • NAT: Enable
  • Change default route: ✓ Enable

Legacy PPTP Setup (NEVER RECOMMENDED)

⚠️ FINAL WARNING: PPTP provides NO security. Your data WILL be compromised!

If you absolutely must use PPTP (why?!), here's the configuration:

  1. Select VPN and Remote AccessLAN to LAN
  2. Click empty entry
  3. Profile name: TG PPTP (INSECURE!)
  4. Enable profile:
  5. Call Direction: Dial-Out
  6. Always on:
  7. Type: PPTP (NOT SECURE!)
  8. Server: TorGuard server
  9. Username/Password: Your credentials
  10. RIP Direction: Disable
  11. NAT: From first subnet to remote
  12. Change default route:

Remember: This provides ZERO encryption!

OpenVPN Setup (Where Supported)

For DrayTek models with OpenVPN support:

  1. Go to VPN and Remote AccessRemote Access Control
  2. Select OpenVPN tab
  3. Enable OpenVPN Remote Dial-in Client
  4. Import TorGuard .ovpn config file
  5. Enter credentials
  6. Apply settings

Business VPN Considerations

Requirement Solution Protocol
Compliance (HIPAA/PCI) Strong encryption required IPsec/OpenVPN
Site-to-Site VPN Permanent tunnel IPsec
Remote Workers Client access OpenVPN/IPsec
Legacy Support Upgrade immediately Never PPTP

DrayTek VPN Performance

Model IPsec Throughput Concurrent Tunnels
Vigor 2960 800 Mbps 200
Vigor 2865 300 Mbps 50
Vigor 2830 100 Mbps 32
Vigor 2760 50 Mbps 16

Troubleshooting VPN Issues

IPsec Connection Failures

  • Phase 1 Errors: Check pre-shared key
  • Phase 2 Errors: Verify encryption settings
  • NAT-T Issues: Enable NAT traversal
  • Firewall: Open UDP 500, 4500

Performance Issues

  • Check WAN bandwidth
  • Monitor CPU usage
  • Reduce encryption if needed (AES128)
  • Update firmware

Routing Problems

  • Verify subnet configuration
  • Check NAT settings
  • Review routing table
  • Test with traceroute

VPN Monitoring on DrayTek

Monitor your VPN connection:

  1. System Status: Check VPN status
  2. VPN Status: View active connections
  3. System Log: Review VPN events
  4. Traffic Graph: Monitor throughput

DrayTek VPN Best Practices

  1. Use IPsec: Best balance of security and compatibility
  2. Strong PSK: Use complex pre-shared keys
  3. Regular Updates: Keep firmware current
  4. Backup Config: Save VPN configurations
  5. Monitor Logs: Check for intrusion attempts
  6. Test Failover: Verify backup connections

When to Consider Alternatives

💡 Consider Dedicated VPN Appliances If:

  • Need more than 100 concurrent users
  • Require advanced VPN features
  • Want WireGuard support
  • Need centralized management
  • Require high-availability setup

Need DrayTek VPN Help?

Our support team can help configure secure VPN connections on your DrayTek router and migrate away from insecure protocols.

Get Business VPN Support

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