HttpResponseHeader Enum
Definition
Important
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The HTTP headers that can be specified in a server response.
public enum class HttpResponseHeaderpublic enum HttpResponseHeadertype HttpResponseHeader = Public Enum HttpResponseHeader- Inheritance
Fields
| AcceptRanges | 20 | The Accept-Ranges header, which specifies the range that is accepted by the server. |
| Age | 21 | The Age header, which specifies the time, in seconds, since the response was generated by the originating server. |
| Allow | 10 | The Allow header, which specifies the set of HTTP methods that are supported. |
| CacheControl | 0 | The Cache-Control header, which specifies caching directives that must be obeyed by all caching mechanisms along the request/response chain. |
| Connection | 1 | The Connection header, which specifies options that are desired for a particular connection. |
| ContentEncoding | 13 | The Content-Encoding header, which specifies the encodings that have been applied to the accompanying body data. |
| ContentLanguage | 14 | The Content-Language header, which specifies the natural language or languages of the accompanying body data. |
| ContentLength | 11 | The Content-Length header, which specifies the length, in bytes, of the accompanying body data. |
| ContentLocation | 15 | The Content-Location header, which specifies a URI from which the accompanying body can be obtained. |
| ContentMd5 | 16 | The Content-MD5 header, which specifies the MD5 digest of the accompanying body data, for the purpose of providing an end-to-end message integrity check. Due to collision problems with MD5, Microsoft recommends a security model based on SHA256 or better. |
| ContentRange | 17 | The Range header, which specifies the subrange or subranges of the response that the client requests be returned in lieu of the entire response. |
| ContentType | 12 | The Content-Type header, which specifies the MIME type of the accompanying body data. |
| Date | 2 | The Date header, which specifies the date and time at which the response originated. |
| ETag | 22 | The Etag header, which specifies the current value for the requested variant. |
| Expires | 18 | The Expires header, which specifies the date and time after which the accompanying body data should be considered stale. |
| KeepAlive | 3 | The Keep-Alive header, which specifies a parameter to be used to maintain a persistent connection. |
| LastModified | 19 | The Last-Modified header, which specifies the date and time at which the accompanying body data was last modified. |
| Location | 23 | The Location header, which specifies a URI to which the client is redirected to obtain the requested resource. |
| Pragma | 4 | The Pragma header, which specifies implementation-specific directives that might apply to any agent along the request/response chain. |
| ProxyAuthenticate | 24 | The Proxy-Authenticate header, which specifies that the client must authenticate itself to a proxy. |
| RetryAfter | 25 | The Retry-After header, which specifies a time (in seconds), or a date and time, after which the client can retry its request. |
| Server | 26 | The Server header, which specifies information about the originating server agent. |
| SetCookie | 27 | The Set-Cookie header, which specifies cookie data that is presented to the client. |
| Trailer | 5 | The Trailer header, which specifies that the indicated header fields are present in the trailer of a message that is encoded with chunked transfer-coding. |
| TransferEncoding | 6 | The Transfer-Encoding header, which specifies what (if any) type of transformation has been applied to the message body. |
| Upgrade | 7 | The Upgrade header, which specifies additional communications protocols that the client supports. |
| Vary | 28 | The Vary header, which specifies the request headers that are used to determine whether a cached response is fresh. |
| Via | 8 | The Via header, which specifies intermediate protocols to be used by gateway and proxy agents. |
| Warning | 9 | The Warning header, which specifies additional information about that status or transformation of a message that might not be reflected in the message. |
| WwwAuthenticate | 29 | The WWW-Authenticate header, which specifies that the client must authenticate itself to the server. |
Remarks
The appropriate contents of various headers are described in detail in the HTTP/1.1 specification.
