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README.md

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+1. **Initial Setup**:
+   - The script first checks if it's running as root (administrator), which is required for system changes
+   - It defines important variables like ports and file paths that will be used
+
+2. **ZeroTier Installation**:
+   - Installs ZeroTier One client using their official installer
+   - Joins your ZeroTier network (you'll need to put in ssh with your actual network ID)
+
+3. **Network Configuration**:
+   - Waits for the ZeroTier network connection to establish
+   - Gets your ZeroTier IP address (the address assigned to your server on the ZeroTier network)
+
+4. **Backup Creation**:
+   - Creates backup copies of your nginx configuration and database
+   - This is a safety measure in case you need to revert changes
+
+5. **Service Configuration**:
+   - Modifies the nginx configuration to only listen on your ZeroTier IP address
+   - Updates the firewall rules in the SQLite database to:
+     - Remove existing rules for SSH and CloudPanel ports
+     - Add new rules that only allow access from your ZeroTier IP
+
+6. **Service Restart**:
+   - Restarts nginx and SSH services to apply the changes
+   - Verifies ZeroTier connection status
+
+To use this script:
+
+1. Save it to a file (e.g., `setup-zerotier.sh`)
+2. Replace `YOUR_NETWORK_ID_HERE` with your actual ZeroTier network ID
+3. Make it executable: `chmod +x setup-zerotier.sh`
+4. Run it as root: `sudo ./setup-zerotier.sh`
+
+Important Notes:
+- Keep your backup files safe in case you need to restore
+- After running this script, you'll only be able to access SSH and CloudPanel through ZeroTier
+- Double-check your ZeroTier network ID before running
+- Make sure you have access to your server through ZeroTier before running this script
+- Test the connection through ZeroTier before logging out of your current session