This connection uses VPN over an existing Internet connection to connect from the HMC to your service provider.
Because some companies restrict this type of high-speed connection for security reasons, work with your network administrator to ensure that your company's security policy permits this type of connection before you select this option.
If you plan to use VPN for service support, the HMC must be able to connect to the Internet to these IP addresses:
Work with your network administrator to ensure that the following protocols and ports are open in both directions: