Bug ID 514061: False positive scenario causes SMTP transactions to hang and eventually reset.

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8

Fixed In:
12.0.0, 11.6.1, 11.5.3 HF2

Opened: Mar 24, 2015
Severity: 3-Major
Related Article:
K17562

Symptoms

Upon specific SMTP traffic, connection hangs and eventually resets.

Impact

Connection hangs and eventually resets.

Conditions

SMTP profile with 'protocol security' turned on is attached to the virtual server, and the response is processed in bulk.

Workaround

None.

Fix Information

This release fixes a scenario in which SMTP transactions were hanging and blocked upon specific traffic.

Behavior Change