Last Modified: Mar 31, 2025
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
16.1.5, 16.1.5.1, 16.1.5.2, 17.1.2, 17.1.2.1, 17.5.0
Opened: Feb 18, 2025 Severity: 2-Critical
In-tmm TCP monitor with no RCV and RCVdisable string might lead to a crash.
Traffic disrupted while tmm restarts.
This happens when TCP in-tmm monitor is configured without any matching disable/enable string ltm monitor tcp TCP { adaptive disabled defaults-from tcp interval 5 ip-dscp 0 recv none <<<< ! recv-disable none <<<< ! send "GET /check HTTP/1.0\r\n\r\n" time-until-up 0 timeout 16 } Bigd monitoring is not affected.
- Disable in-tmm monitoring. - OR, configure in-tmm TCP monitor with any string match.
None