How can I define a location on the Zscaler admin portal if I don't have a static public IP address?

The most common way to define a location in the Zscaler admin portal is by specifying a static public IP address. But if your organization does not have a static public IP address, you can still define a location by either subscribing to a dedicated proxy port or by configuring an IPsec VPN tunnel to forward Internet traffic to the Zscaler service and specifying an FQDN for the VPN credentials.