Bug ID 675367: The IMAP and POP3 monitors might fail if the mail server supports GSSAPI authentication

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5

Fixed In:
14.0.0, 13.1.3

Opened: Jul 24, 2017
Severity: 3-Major
Related AskF5 Article:
K95393925

Symptoms

The IMAP and POP3 monitors might fail if the mail server supports GSSAPI authentication.

Impact

The monitor fails and marks the server down, even when it might be available.

Conditions

An IMAP and POP3 monitor is configured and the server returns GSSAPI as an available authentication mechanism.

Workaround

If possible, use one of the following workarounds: -- Turn off GSSAPI authentication on the mail server. -- Use an alternate monitor type.

Fix Information

None

Behavior Change