Bug ID 825805: NTLM Auth may fail due to incorrect handling of EPM response

Last Modified: Nov 28, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP APM, Install/Upgrade(all modules)

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 15.0.0, 15.0.1

Opened: Sep 13, 2019
Severity: 3-Major

Symptoms

NTLM passthrough authentication may stop working after upgrade.

Impact

APM end users cannot login.

Conditions

-- NTLM authentication configured. -- Upgraded to a BIG-IP software version that contains the implementation for the Microsoft Internet Explorer feature, 'Enhanced protected mode' (EPM). -- There are more than two protocol sequence towers included in the EPM response.

Workaround

None.

Fix Information

None

Behavior Change