Bug ID 974245: With ssh-session-limit enabled, root user is unable to login via SSH

Last Modified: Aug 03, 2021

Bug Tracker

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

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 16.0.0,, 16.0.1,,, 16.1.0

Opened: Dec 15, 2020
Severity: 4-Minor


Root is unable to login to the device when the ssh-session-limit feature is enabled and the specified limit is reached.


Root user is denied SSH access when the session limit is exhausted by non-root users.


-- The ssh-session-limit feature is enabled: tmsh modify sys global-settings ssh-session-limit enabled -- A limit is set: tmsh modify sys global-settings ssh-max-session-limit 4 -- A non-root user consumes all of the sessions up to the session limit


Terminate non-root user SSH sessions.

Fix Information


Behavior Change