Last Modified: Mar 30, 2026
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1, 17.5.1.4, 17.5.1.5
Opened: Mar 20, 2026 Severity: 4-Minor
During a RST flood, BIG-IP displays the log message "Limiting closed port RST response from 251 to 250 packets/sec" even though no outgoing RST packets are sent in response.
Incorrect log message "Limiting closed port RST response from 251 to 250 packets/sec".
- BIG-IP Virtual Server listening on specific port e.g. 10.1.1.1:443 - BIG-IP receives a RST flood on the Virtual Server IP address and an unused port e.g. 10.1.1.1:9999 - Incoming RST flood does not match any listener
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