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The HTTP header REMOTE_USER was sent twice (Doc ID 2734000.1)

Last updated on FEBRUARY 10, 2023

Applies to:

Oracle Application Express (APEX) - Version 19.2 and later
Oracle REST Data Services - Version 3.0 and later
Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

When using Kerberos Authentication and SiteMinder, the following error occurs:

The HTTP header REMOTE_USER was sent twice, this could be an attack. •1st value: "<USERNAME>" •2nd value: "apex"


Changes

 Upgrade APEX application from APEX 5 to APEX 19.2.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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