Bug ID 1281637: When END_STREAM is delayed, HTTP detects a Content-Length header and raises HUDEVT_RESPONSE_DONE before HTTP/2 raises HUDEVT_RESPONSE_DONE

Last Modified: May 29, 2024

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

Known Affected Versions:
15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5

Fixed In:
17.1.1, 16.1.4, 15.1.9

Opened: Mar 28, 2023

Severity: 3-Major

Symptoms

A RST_STREAM is observed from BIG-IP to server after receiving response from server.

Impact

Once the server gets around to process the RST_STREAM, it stops accepting new requests on that connection.

Conditions

- HTTP/2 full proxy configuration. - Server to send a DATA_FRAME with END_STREAM flag with a delay.

Workaround

None

Fix Information

The message HUDEVT_RESPONSE_DONE is delayed until the HTTP completes EV_BODY_COMPLETE action.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips