Bug ID 915969: Truncated QUIC connection close reason

Last Modified: Jul 12, 2023

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

Fixed In:

Opened: Jun 10, 2020

Severity: 4-Minor


The connection close reason in QUIC is limited to 5 bytes prior to the path being validated. This makes it difficult to debug early connection failures.


Connection close reason is limited to 5 bytes before the path is validated.


A connection close is sent in QUIC before the path is validated.



Fix Information

Reason string limits are now derived from the amount of credit we have remaining to send. This should allow a longer reason string in almost all cases.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips