Some backend services (e.g., Azure Relay) are customizing HTTP reason phrases. This should be considered as misuse of the HTTP protocol but that info may need to be kept at the proxying time to keep the integrity of the origin messages.
An example response:
401 MissingToken: Relay security token is required. TrackingId:988e8147-c5ed-473c-a679-fb2c0d400ee4_G11, SystemTracker:hdirelay-uswe-d4c1893d-0.servicebus.windows.net:a21a0c87558b411bb098f8a8c7cad92a, Timestamp:2023-03-07T03:52:29
Some backend services (e.g., Azure Relay) are customizing HTTP reason phrases. This should be considered as misuse of the HTTP protocol but that info may need to be kept at the proxying time to keep the integrity of the origin messages.
An example response: