How To Use a MiddleTier as a Reverse Proxy for Single Sign-On (2 Servers / Same Hostname) - Unique Domain Registered to the Internet? (Doc ID 430083.1)

Last updated on DECEMBER 23, 2016

Applies to:

Portal - Version 10.1.2.0.2 to 10.1.4.2 [Release 10gR2]
Information in this document applies to any platform.
Checked for relevance on 17-Feb-2015

Goal

Is it possible to use a Middle Tier as a Reverse Proxy for Single Sign-On - 2 servers / same hostname - with a unique domain registered to the internet?

There could be innumerous reasons why you'd like to have the setup as follows.

- There is an Infrastructure box -- www.abc.com
- There is a Middle Tier box -- infra.intranet

For a variety of reasons it can happen that only the domain for www.abc.com is registered over the internet. If the software is already installed in this way, it is not recommended, as both machines should share the same domain (ideally).

This note gives you a method to 'fake' the shared domain, without re-installing all the software. The example below illustrates a Unix case scenario and it is done in two parts, where the advantage of changing the port is taken as well.

Solution

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