Bug ID 532022: tmm can crash when the reply pkt to a service flow request is a DoS pkt

Last Modified: Nov 07, 2022

Affected Product(s):
BIG-IP AFM(all modules)

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6

Opened: Jul 07, 2015

Severity: 3-Major


tmm can crash


Traffic disrupted while tmm restarts.


If a service flow (or any flow which does not have a listener) sends a request out and we get back a packet which needs to be counted towards a network DoS vector, it can cause the tmm to crash.


Don't configure AFM DoS vectors.

Fix Information

A crash bug in DoS protection has been fixed.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips