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Iceline Shield – Game Tunnel Installation Guide (Windows & Linux)

Iceline Hosting
Iceline Hosting
February 16, 2026 4 min read
Iceline Shield – Game Tunnel Installation Guide (Windows & Linux)

Our Game Tunnel is an enterprise-grade DDoS protection solution built specifically for game servers. It filters malicious traffic in real time at the edge, ensuring your server remains online even during heavy attacks.

Key Benefits:

  • One-Line Install – Run a single script; no complex GRE or firewall configuration required.
  • Live in Under 60 Seconds – Purchase, deploy, and activate protection instantly.
  • Up to 5Gbps Uplink Protection – Full traffic scrubbing before reaching your server.
  • GRE + XDP Edge Filtering – Kernel-level mitigation with no added latency.
  • Always-On Protection – 24/7 real-time mitigation.
  • No Infrastructure Changes Required – No hardware upgrades or firewall modifications.
  • All malicious traffic is filtered before it reaches your game instance, ensuring clean, optimized performance with no noticeable latency impact.

Step 1 – Purchase Iceline DDoS Tunnel

Before installation, you must activate the Tunnel service.

  1. Visit the product page:
    https://iceline-hosting.com/ddos-protection/tunnel

2. Select your desired plan.

3. Select your preferred server location
(The system will automatically recommend the lowest latency option.)

4. Choose your billing cycle.

5. Complete checkout and payment.

1. Open the setup page:
https://shield.iceline-hosting.com/setup

2. Select your service from the list.

3. Verify your server’s public IP address.

4. Click Connect Server.

5. You will be redirected to your Iceline Shield Dashboard.

Step 3 – Access the Game Tunnel Section

From the left-hand menu, select Game Tunnel.

Choose your preferred operating system:

  • Linux
  • Windows

🐧 Linux Installation

Step 1 – Run the Installation Command

Execute the command shown in your installation tab in your server terminal:

Linux Tunnel Installation

curl -sSL https://shield.iceline-hosting.com/api/tunnel/remote-config/180?token=0xxx0xx0-xX00-xxxX-0xx0-000x0x0xxx00 | sudo bash

This will:

  • Install the tunnel
  • Configure routing
  • Apply the protected GRE configuration

Step 2 – Verify Tunnel Status

Once installation completes successfully:

  • The DDoS-Protected Tunnel status in your Shield dashboard will change to Online.

🔄 Remove the Tunnel (Linux)

If you need to uninstall the tunnel:

Linux Tunnel Installation

curl -sSL https://shield.iceline-hosting.com/api/tunnel/remote-unconfig/180 | sudo bash

🪟 Windows Installation

Step 1 – Register the Machine

Open PowerShell as Administrator and run the following (copy the command in your installation tab):

Replace the example values with your actual details.
Linux Tunnel Installation

$apiBase = "https://shield.iceline-hosting.com"
$tunnelId = 61
$installToken = "0xxx0xx0-xX00-xxxX-0xx0-000x0x0xxx00"
$remoteName = "client-windows"
$remoteIp = "YOUR_PUBLIC_IP"

$body = @{
  tunnel_id     = $tunnelId
  install_token = $installToken
  remote_name   = $remoteName
  remote_ip     = $remoteIp
  remote_os     = "windows"
} | ConvertTo-Json

Invoke-RestMethod -Uri "$apiBase/api/tunnel/backend/register" -Method Post -Body $body -ContentType "application/json"

This step registers your Windows machine with Iceline Shield.

Step 2 – Download GRE Tunnel Client

Download the latest release of GRETunnel.exe from:

GitHub
Repository: GRE Tunnel

After downloading:

  1. Extract the ZIP file.

2. Open the extracted folder.

3. In the address bar, type cmd and press Enter to open Command Prompt directly inside the folder

Step 3 – Start the Tunnel

Run the following command:

Linux Tunnel Installation

GRETunnel.exe TUNNEL_IP PUBLIC_IP 10.10.10.2 10.10.10.1 30

Replace:

TUNNEL_IP → Your assigned tunnel IP

PUBLIC_IP → Your VPS public IP

This command:

  • Establishes the GRE tunnel
  • Routes protected traffic
  • Activates DDoS protection

To simplify startup after a VPS reboot:

  1. Create a new Notepad file.

2. Paste the GRE command inside.

3. Save it as a .bat file (example: start_tunnel.bat).

4. Place it in:

Linux Tunnel Installation

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup

This ensures the tunnel starts automatically when Windows boots.

🛡 Managing Protection Filters

To adjust your firewall and filtering rules:

  1. Open your Iceline Shield Dashboard.

2. Click on the Firewall section.

From there, you can:

  • Add filters
  • Edit filters
  • Delete filters
  • Adjust protection levels

Support

If assistance is required at any stage, you can contact Iceline Support or use the integrated Iceline AI for guided help.

DDoS Protection