Changeset 2058 for draft-ietf-httpbis/latest/p2-semantics.xml
- Timestamp:
- 27/12/12 16:55:15 (10 years ago)
- File:
-
- 1 edited
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draft-ietf-httpbis/latest/p2-semantics.xml
r2057 r2058 3128 3128 <x:anchor-alias value="403 (Forbidden)"/> 3129 3129 <t> 3130 The <x:dfn>403 (Forbidden)</x:dfn> status code indicates that the origin3130 The <x:dfn>403 (Forbidden)</x:dfn> status code indicates that the 3131 3131 server understood the request but refuses to authorize it. 3132 3132 A server that wishes to make public why the request has been forbidden … … 3134 3134 </t> 3135 3135 <t> 3136 If authentication credentials were provided in the request, the origin3136 If authentication credentials were provided in the request, the 3137 3137 server considers them insufficient to grant access. 3138 3138 The client &SHOULD-NOT; repeat the request with the same credentials. … … 3378 3378 <x:anchor-alias value="500 (Internal Server Error)"/> 3379 3379 <t> 3380 The server encountered an unexpected condition which prevented it 3381 from fulfilling the request. 3380 The <x:dfn>500 (Internal Server Error)</x:dfn> status code indicates that 3381 the server encountered an unexpected condition which prevented it from 3382 fulfilling the request. 3382 3383 </t> 3383 3384 </section> … … 3387 3388 <x:anchor-alias value="501 (Not Implemented)"/> 3388 3389 <t> 3389 The server does not support the functionality required to fulfillthe3390 request. This is the appropriate response when the server does not3391 recognize the request method and is not capable of supporting it for3392 any resource.3390 The <x:dfn>501 (Not Implemented)</x:dfn> status code indicates that the 3391 server does not support the functionality required to fulfill the request. 3392 This is the appropriate response when the server does not recognize the 3393 request method and is not capable of supporting it for any resource. 3393 3394 </t> 3394 3395 </section> … … 3398 3399 <x:anchor-alias value="502 (Bad Gateway)"/> 3399 3400 <t> 3400 The server, while acting as a gateway or proxy, received an invalid3401 response from the upstream server it accessed in attempting to3402 fulfill the request.3401 The <x:dfn>502 (Bad Gateway)</x:dfn> status code indicates that the server, 3402 while acting as a gateway or proxy, received an invalid response from an 3403 inbound server it accessed while attempting to fulfill the request. 3403 3404 </t> 3404 3405 </section> … … 3408 3409 <x:anchor-alias value="503 (Service Unavailable)"/> 3409 3410 <t> 3410 The server is currently unable to handle the request due to a 3411 temporary overloading or maintenance of the server. 3412 </t> 3413 <t> 3414 The implication is that this is a temporary condition which will be 3415 alleviated after some delay. If known, the length of the delay &MAY; be 3416 indicated in a <x:ref>Retry-After</x:ref> header field 3417 (<xref target="header.retry-after"/>). If no Retry-After is given, the 3418 client &SHOULD; handle the response as it would for a <x:ref>500 (Internal 3419 Server Error)</x:ref> response. 3411 The <x:dfn>503 (Service Unavailable)</x:dfn> status code indicates that the 3412 server is currently unable to handle the request due to a temporary overload 3413 or scheduled maintenance, which will likely be alleviated after some delay. 3414 The server &MAY; send a <x:ref>Retry-After</x:ref> header field 3415 (<xref target="header.retry-after"/>) to suggest an appropriate 3416 amount of time for the client to wait before retrying the request. 3420 3417 </t> 3421 3418 <x:note> 3422 3419 <t> 3423 3420 &Note; The existence of the 503 status code does not imply that a 3424 server has to use it when becoming overloaded. Some servers might wish3425 tosimply refuse the connection.3421 server has to use it when becoming overloaded. Some servers might 3422 simply refuse the connection. 3426 3423 </t> 3427 3424 </x:note> … … 3432 3429 <x:anchor-alias value="504 (Gateway Timeout)"/> 3433 3430 <t> 3434 The server, while acting as a gateway or proxy, did not receive a 3435 timely response from the upstream server specified by the URI (e.g., 3436 HTTP, FTP, LDAP) or some other auxiliary server (e.g., DNS) it needed 3437 to access in attempting to complete the request. 3438 </t> 3439 <x:note> 3440 <t> 3441 <x:h>Note</x:h> to implementers: some deployed proxies are known to 3442 send <x:ref>400 (Bad Request)</x:ref> or <x:ref>500 (Internal Server 3443 Error)</x:ref> when DNS lookups time out. 3444 </t> 3445 </x:note> 3431 The <x:dfn>504 (Gateway Timeout)</x:dfn> status code indicates that the 3432 server, while acting as a gateway or proxy, did not receive a timely 3433 response from an upstream server it needed to access in order to 3434 complete the request. 3435 </t> 3446 3436 </section> 3447 3437 … … 3450 3440 <x:anchor-alias value="505 (HTTP Version Not Supported)"/> 3451 3441 <t> 3452 The server does not support, or refuses to support, the protocol 3453 version that was used in the request message. The server is 3454 indicating that it is unable or unwilling to complete the request 3455 using the same major version as the client, as described in &http-version;, 3456 other than with this error message. The response &SHOULD; contain 3457 a representation describing why that version is not supported and what other 3442 The <x:dfn>505 (HTTP Version Not Supported)</x:dfn> status code indicates 3443 that the server does not support, or refuses to support, the protocol 3444 version that was used in the request message. The server is indicating that 3445 it is unable or unwilling to complete the request using the same major 3446 version as the client, as described in &http-version;, other than with this 3447 error message. The server &SHOULD; generate a representation for the 505 3448 response that describes why that version is not supported and what other 3458 3449 protocols are supported by that server. 3459 3450 </t>
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