Last Modified: May 14, 2019
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BIG-IP ASM, LTM
Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2
Opened: Feb 14, 2017
Websocket connection should be closed once an endpoint has both sent and received a Close control frame. BIG-IP closes connection on receiving a close frame from peer and does not wait for close frame from other endpoint. This results in data sent in the other direction to be dropped.
One endpoint sends a Websocket Close control frame. Other endpoint continues sending data which is dropped by BIG-IP.
Websocket and HTTP profile are attached to the virtual.
Half-close of connection will be triggered instead of closing the connection entirely.