[jira] [Updated] (TS-2204) ts should not cache the response with unrecognized codes

["Jake Farrell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-2204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jake Farrell updated TS-2204:
-----------------------------

    Fix Version/s:     (was: 5.0.0)
    
> ts should not cache the response with unrecognized codes
> --------------------------------------------------------
>
>                 Key: TS-2204
>                 URL: https://issues.apache.org/jira/browse/TS-2204
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Cache, HTTP
>            Reporter: Zhao Yongming
>
> according to RFC 2616:  6.1.1
>    HTTP status codes are extensible. HTTP applications are not required
>    to understand the meaning of all registered status codes, though such
>    understanding is obviously desirable. However, applications MUST
>    understand the class of any status code, as indicated by the first
>    digit, and treat any unrecognized response as being equivalent to the
>    x00 status code of that class, with the exception that an
>    unrecognized response MUST NOT be cached. For example, if an
>    unrecognized status code of 431 is received by the client, it can
>    safely assume that there was something wrong with its request and
>    treat the response as if it had received a 400 status code. In such
>    cases, user agents SHOULD present to the user the entity returned
>    with the response, since that entity is likely to include human-
>    readable information which will explain the unusual status.
> and we should not cache any of the unknown response.

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