1. Install and Configure the VPN Server:

   • Install Nmap or Zscaler on your computer.
   • Create a server profile with the IP address and port number (e.g., nmap -s 1.1.1.1:2222 or zscaler -s 1.1.1.1:2222).
   • Use the server's IP and password to access the VPN server.

2. Configure Remote Desktop Client:

   • Open the remote desktop client and enter the VPN server's IP and password.
   • Use sshd to connect to the VPN.

3. Configure the VPN Server:

   • Open the server's log file and ensure all relevant ports (22, 25, 53) are forwarded.
   • Use port -p 22 or similar commands to configure port forwarding.

4. Configure SSH Keys:

   • Generate or update SSH keys if necessary.
   • Create a keyring entry with your SSH key for authentication.
   • Ensure SSH keys have write permissions in the keyring.

5. Test the VPN Setup:

   • Connect to the remote desktop client and type sshd to start the session.
   • Verify the connection to ensure the VPN is working.

6. Access from Local Machine:

   If the VPN server is on your local machine, update the remote host URL to your local IP in the server's log file.

7. Update SSH Keys:

   Regularly check and update your SSH keys to prevent security issues.

By following these steps, you should successfully set up a SSH客户端 VPN, securely connecting your local machine to your VPN server.