Bug ID 1756697: Sec-WebSocket-Extensions header is not stripped when Compression is disabled

Last Modified: Mar 13, 2025

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
17.1.1.4, 17.1.2, 17.1.2.1

Opened: Nov 28, 2024

Severity: 4-Minor

Symptoms

When compression mode is 'Typed' and compression is 'disabled' in websocket profile, BIG-IP should strip Sec-WebSocket-Extensions header but it is not happening.

Impact

Sec-WebSocket-Extensions header is seen in server side.

Conditions

Compression mode is 'Typed' and compression is 'disabled' in websocket profile

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips