Internal Access to DMZ via WAN to LAN Issues

[B3Technology]

Hi,

We have a server on our DMZ that is accessed by the public via a Public web page (link). The server has a public IP of X.X.X.X. When outside users access the server via a Web link, everything work correctly. The issue we have is when a local/internal user on the LAN tries to access the same service via the same external WEB page link, it fails.

Our local/internal LAN users (Y.Y.Y.Y) can access the DMZ server via a direct IP of Z.Z.Z.Z. But we need to be able to grant local/internal LAN users access to the DMZ server via the public X.X.X.X IP address so that they may use the same WEB link.

Any thought would be greatly appreciated.

Thank you