Bug ID 474157: AFM DoS Sweep&Flood vector could log attacks from non-attacking IP

Last Modified: Mar 12, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP AFM(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, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9

Opened: Aug 01, 2014
Severity: 3-Major
Related AskF5 Article:
K69592033

Symptoms

The log message in the AFM DoS Sweep & Flood Vectors could contain IP addresses which have not reached the attack threshold.

Impact

Misleading logs saying that innocent IPs are bad IPs.

Conditions

If AFM DoS Sweep & Flood vectors are configured and attacks have been triggered and we have non-attacking IPs also sending us similar traffic below the threshold, then they could also be logged as attacking IPs.

Workaround

Do not configure the AFM DoS Sweep & Flood vectors.

Fix Information

None

Behavior Change