Cannot Access APEX Using EPG/XDB Other Than a URL with LOCALHOST (Doc ID 1997667.1)

Last updated on OCTOBER 27, 2016

Applies to:

Oracle Application Express (formerly HTML DB) - Version 4.2.5.00.08 and later
Information in this document applies to any platform.

Symptoms

Trying to access an APEX instance using a URL which does not use LOCALHOST fails and an error such as (or similar).

This webpage is not available 

In short the following URLs fail.

Where as the following works.
  
NOTE : Port 8080 is just an example of the the port the XDB HTTP Listener is listening on.
 
This makes it difficult to access the APEX instance from another end user / client machine. 

Cause

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