To debug a VPN,follow these steps:

1. Check if the VPN is Running: Use tools like Wireshark to inspect your internet connection. If you can't access the site, the VPN might be blocked.

2. Use a VPN Client: Connect to a VPN client (e.g., OpenVPN or VPN.com) to test the connection. This will help you determine if the VPN is functioning correctly.

3. Verify the IP Address: Find your local IP address and check if the VPN server is accessible on your network.

4. Check Port Numbers: Some VPNs use HTTPS in the default port (443) or a different port. Ensure the server is running on the expected port.

5. Inspect Website Connections: Avoid clicking links from the VPN that are part of its internal links. This helps protect your privacy.

6. Choose the Correct VPN Type: Select a public VPN for general use or a private VPN for restricted access, based on your needs.

By following these steps, you can effectively debug and use a VPN to access the internet securely.