Bug ID 789085: When executing the ACCESS::session iRule command under a serverside event, tmm may crash

Last Modified: Nov 07, 2022

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

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 13.1.5,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,, 15.0.0, 15.0.1,,,,

Fixed In:

Opened: Jun 02, 2019

Severity: 2-Critical


Executing the ACCESS::session iRule command inside a serverside event, e.g., SERVER_CONNECTED, may cause tmm to crash.


Traffic disrupted while tmm restarts.


ACCESS::session iRule command invoked under a serverside event, for example: when SERVER_CONNECTED { log local0. "[ACCESS::session data get session.user.sessionid]" }



Fix Information

tmm no longer crashes during the execution of ACCESS::session iRule on a serverside event, e.g. SERVER_CONNECTED.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips