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HTTP_STATUS_NON_AUTH_INFORMATION
The request succeeded, but the representation was modified by a proxy between the client and origin. That distinction matters when a client later validates or reuses the representation through a different network path.
Investigate intermediary proxies, compression gateways, security products, or content filters when the payload differs from the origin response. Preserve the response headers when comparing results.
Operational meaning of HTTP 203 for HTTP_STATUS_NON_AUTH_INFORMATION
HTTP 203 (this result) is a successful response. AllStat records its meaning as “203 Non-Authoritative Information”. Interpret it with the request method, selected representation, response headers, and the specification or product that defines the code; the number alone does not prove that application work completed.
Client and server handling
- Verify what work the response representation says was completed; this result can still describe asynchronous or partial handling.
- use validators, location/status links, and application identifiers supplied by the server.
- do not retry a non-idempotent request merely because the client did not understand the response body.
For telemetry, record HTTP 203, method, authority, route template rather than secrets, response headers relevant to caching or retry, latency, upstream identity, and whether the response originated at the application or an intermediary.
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