Configuring Reverse Proxies and DMZs for EBS 12.2
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You may have end-users outside of your organization's firewall who need access to E-Business Suite. One way of doing that is to set up a reverse proxy server and a series of network segments separated by firewalls.
The outermost network segment that lies between the internet and an organization's intranet is often called a Demilitarized Zone (DMZ). DMZs are enforced by firewalls and other networking security devices.
Setting up a DMZ
Instructions for deploying EBS 12.2 in a DMZ-based architecture are published here: