haproxy The Response line

最新推荐文章于 2022-12-26 18:15:32 发布

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最新推荐文章于 2022-12-26 18:15:32 发布

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分类专栏： haproxy

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本文介绍了HTTP响应行的构成，包括版本标签、状态码和原因字段。详细解释了不同范围状态码的含义，如2xx表示成功，4xx表示客户端错误，5xx表示服务器错误。并提及了haproxy可能自动生成的一些特定状态码，如200、401、500等。

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1.3.1. The Response line
------------------------

Line 1 is the "response line". It is always composed of 3 fields :它总是由3个域组成

  - a version tag : HTTP/1.1   版本tag
  - a status code : 200        返回状态码
  - a reason      : OK

The status code is always 3-digit. The first digit indicates a general status :

状态代码总是三位数。第一位数字表示大致的状态


 - 1xx = informational message to be skipped (eg: 100, 101)
 - 2xx = OK, content is following   (eg: 200, 206)
 - 3xx = OK, no content following   (eg: 302, 304)
 - 4xx = error caused by the client (eg: 401, 403, 404)
 - 5xx = error caused by the server (eg: 500, 502, 503)

Please refer to RFC2616 for the detailed meaning of all such codes. The
"reason" field is just a hint, but is not parsed by clients. Anything can be
found there,

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