Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6
Opened: Jun 17, 2017 Severity: 3-Major
When data arrives before final ACK of TCP 3whs or inside final ACK of TCP 3whs, TCP doesn't generate CLIENT_DATA event. TCP only generates event CLIENT_ACCEPTED.
Connection stalls. Performance degradation.
Whenever data arrives before final ACK of TCP 3whs or inside final ACK of TCP 3whs for a TCP connection.
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