Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
13.0.0, 13.0.0 hf1, 13.0.0 hf2, 13.0.0 hf3, 13.0.1
Fixed In:
13.1.0
Opened: Jan 29, 2017 Severity: 2-Critical
A signature matches a websocket URL where it is defined as an excluded signature on the URL.
A false positive signature match
A websocket URL has a signature defined as excluded on this URL.
disable the signature on the policy level when applicable.
Signatures can now be excluded on the websocket URLs.