Class HttpKnownHeaderNames
Provides most of the most commonly known HTTP headers for constants.
public static class HttpKnownHeaderNames- Inheritance
-
HttpKnownHeaderNames
- Inherited Members
Fields
- Accept
The HTTP Accept header.
Specifies the media types that are acceptable for the response, allowing the client to indicate its preferences.
- AcceptCharset
The HTTP Accept-Charset header.
Indicates the character sets that are acceptable for the response, allowing the client to specify its preferred encoding.
- AcceptEncoding
The HTTP Accept-Encoding header.
Specifies the content encodings that are acceptable for the response, allowing the client to indicate its preferences for compression.
- AcceptLanguage
The HTTP Accept-Language header.
Indicates the natural languages that are preferred for the response, allowing the client to specify its language preferences.
- AcceptPatch
The HTTP Accept-Patch header.
Indicates the patch document formats that are acceptable for the response, allowing the client to specify its preferences for patching resources.
- AcceptRanges
The HTTP Accept-Ranges header.
Indicates that the server supports range requests for the resource, allowing clients to request specific byte ranges.
- AccessControlAllowCredentials
The HTTP Access-Control-Allow-Credentials header.
Indicates whether the response to the request can expose credentials, allowing cross-origin requests to include credentials.
- AccessControlAllowHeaders
The HTTP Access-Control-Allow-Headers header.
Specifies which headers can be used when making the actual request in a cross-origin resource sharing (CORS) context.
- AccessControlAllowMethods
The HTTP Access-Control-Allow-Methods header.
Specifies the methods that are allowed when accessing the resource in a CORS context.
- AccessControlAllowOrigin
The HTTP Access-Control-Allow-Origin header.
Specifies which origins are allowed to access the resource in a CORS context, helping to control cross-origin requests.
- AccessControlExposeHeaders
The HTTP Access-Control-Expose-Headers header.
Indicates which headers can be exposed as part of the response to a cross-origin request.
- AccessControlMaxAge
The HTTP Access-Control-Max-Age header.
Specifies how long the results of a preflight request can be cached, reducing the number of preflight requests made.
- Age
The HTTP Age header.
Indicates the age of the object in a cache, helping clients understand how fresh the cached response is.
- Allow
The HTTP Allow header.
Lists the HTTP methods that are supported by the resource, informing clients about the available actions.
- AltSvc
The HTTP Alt-Svc header.
Indicates that an alternative service is available for the resource, allowing clients to connect to a different server or protocol.
- Authorization
The HTTP Authorization header.
Contains credentials for authenticating the client with the server, often used for basic or bearer token authentication.
- CacheControl
The HTTP Cache-Control header.
Directs caching mechanisms on how to cache the response, including directives for expiration and revalidation.
- Connection
The HTTP Connection header.
Controls whether the network connection stays open after the current transaction finishes, allowing for persistent connections.
- ContentDisposition
The HTTP Content-Disposition header.
Indicates if the content should be displayed inline in the browser or treated as an attachment to be downloaded.
- ContentEncoding
The HTTP Content-Encoding header.
Specifies the encoding transformations that have been applied to the response body, such as gzip or deflate.
- ContentLanguage
The HTTP Content-Language header.
Indicates the natural language(s) of the intended audience for the response, helping clients understand the content's language.
- ContentLength
The HTTP Content-Length header.
Indicates the size of the response body in bytes, allowing the client to know how much data to expect.
- ContentLocation
The HTTP Content-Location header.
Indicates an alternate location for the returned data, often used for redirecting clients to a different resource.
- ContentMD5
The HTTP Content-MD5 header.
Contains the MD5 hash of the response body, allowing clients to verify the integrity of the received data.
- ContentRange
The HTTP Content-Range header.
Indicates the part of a document that the server is returning, used in range requests to specify byte ranges.
- ContentSecurityPolicy
The HTTP Content-Security-Policy header.
Defines security policies for the content, helping to prevent cross-site scripting (XSS) and other code injection attacks.
- ContentType
The HTTP Content-Type header.
Indicates the media type of the resource, allowing the client to understand how to process the response body.
- Cookie
The HTTP Cookie header.
Contains stored HTTP cookies previously sent by the server, allowing the server to identify the client on subsequent requests.
- Cookie2
The HTTP Cookie2 header.
Used to send cookies in a more advanced format, primarily for compatibility with older versions of HTTP.
- Date
The HTTP Date header.
Indicates the date and time at which the message was sent, helping clients understand the freshness of the response.
- ETag
The HTTP ETag header.
Provides a unique identifier for a specific version of a resource, allowing clients to cache and validate resources efficiently.
- Expect
The HTTP Expect header.
Indicates that the client expects certain behaviors from the server, such as support for specific features or conditions.
- Expires
The HTTP Expires header.
Indicates the date and time after which the response is considered stale, helping clients manage caching.
- From
The HTTP From header.
Contains the email address of the user making the request, often used for identifying the requester.
- Host
The HTTP Host header.
Specifies the domain name of the server and the TCP port number on which the server is listening, allowing for virtual hosting.
- IfMatch
The HTTP If-Match header.
Used to make a conditional request, allowing the client to specify that the request should only be processed if the resource matches the given ETag.
- IfModifiedSince
The HTTP If-Modified-Since header.
Used to make a conditional request, allowing the client to specify that the resource should only be returned if it has been modified since the given date.
- IfNoneMatch
The HTTP If-None-Match header.
Used to make a conditional request, allowing the client to specify that the resource should only be returned if it does not match the given ETag.
- IfRange
The HTTP If-Range header.
Used to make a conditional range request, allowing the client to specify that the range should only be returned if the resource has not changed.
- IfUnmodifiedSince
The HTTP If-Unmodified-Since header.
Used to make a conditional request, allowing the client to specify that the resource should only be returned if it has not been modified since the given date.
- KeepAlive
The HTTP Keep-Alive header.
Used to specify parameters for persistent connections, allowing the client and server to maintain an open connection for multiple requests.
- LastModified
The HTTP Last-Modified header.
Indicates the date and time at which the resource was last modified, helping clients determine if they need to refresh their cached version.
- Link
The HTTP Link header.
Used to provide relationships between the current resource and other resources, often used for navigation and linking.
- Location
The HTTP Location header.
Used in redirection responses to indicate the URL to which the client should redirect.
- MaxForwards
The HTTP Max-Forwards header.
Used in OPTIONS requests to limit the number of times the request can be forwarded by proxies.
- Origin
The HTTP Origin header.
Indicates the origin of the request, helping servers implement CORS and manage cross-origin requests.
- P3P
The HTTP P3P header.
Used to indicate the privacy policy of the server, allowing clients to understand how their data will be handled.
- Pragma
The HTTP Pragma header.
Used to include implementation-specific directives that might apply to any recipient along the request/response chain.
- ProxyAuthenticate
The HTTP Proxy-Authenticate header.
Used by a proxy server to request authentication from the client, indicating the authentication method required.
- ProxyAuthorization
The HTTP Proxy-Authorization header.
Contains credentials for authenticating the client with a proxy server, allowing access to the requested resource.
- ProxyConnection
The HTTP Proxy-Connection header.
Used to control whether the network connection to the proxy server should be kept open after the current transaction.
- PublicKeyPins
The HTTP Public-Key-Pins header.
Used to prevent man-in-the-middle attacks by specifying which public keys are valid for the server's certificate.
- Range
The HTTP Range header.
Used to request a specific range of bytes from a resource, allowing clients to download large files in parts.
- Referer
The HTTP Referer header.
Indicates the URL of the resource from which the request originated, helping servers understand the source of traffic.
- RetryAfter
The HTTP Retry-After header.
Indicates how long the client should wait before making a follow-up request, often used in rate limiting scenarios.
- SecWebSocketAccept
The HTTP Sec-WebSocket-Accept header.
Used in the WebSocket handshake to confirm the server's acceptance of the connection request.
- SecWebSocketExtensions
The HTTP Sec-WebSocket-Extensions header.
Used to negotiate WebSocket extensions during the handshake, allowing for additional features and capabilities.
- SecWebSocketKey
The HTTP Sec-WebSocket-Key header.
Contains a base64-encoded value used to establish a WebSocket connection, ensuring the request is valid.
- SecWebSocketProtocol
The HTTP Sec-WebSocket-Protocol header.
Used to specify subprotocols that the client wishes to use during the WebSocket connection.
- SecWebSocketVersion
The HTTP Sec-WebSocket-Version header.
Indicates the version of the WebSocket protocol that the client wishes to use.
- Server
The HTTP Server header.
Contains information about the server software handling the request, often used for informational purposes.
- SetCookie
The HTTP Set-Cookie header.
Used to send cookies from the server to the client, allowing the server to store state information on the client.
- SetCookie2
The HTTP Set-Cookie2 header.
Used to send cookies in a more advanced format, primarily for compatibility with older versions of HTTP.
- StrictTransportSecurity
The HTTP Strict-Transport-Security header.
Enforces secure (HTTPS) connections to the server, helping to prevent man-in-the-middle attacks.
- TE
The HTTP TE header.
Indicates the transfer encodings that are acceptable for the response, allowing for content negotiation.
- TSV
The HTTP TSV header.
Used to indicate the type of data being sent in a transaction, often used in specific applications or protocols.
- Trailer
The HTTP Trailer header.
Indicates that the sender will include additional fields in the message trailer, which can be used for metadata.
- TransferEncoding
The HTTP Transfer-Encoding header.
Specifies the form of encoding used to safely transfer the payload body to the user.
- Upgrade
The HTTP Upgrade header.
Indicates that the client prefers to upgrade to a different protocol, such as switching from HTTP/1.1 to HTTP/2.
- UpgradeInsecureRequests
The HTTP Upgrade-Insecure-Requests header.
Indicates that the client prefers to receive an upgraded version of the resource over HTTPS instead of HTTP.
- UserAgent
The HTTP User-Agent header.
Contains information about the user agent (browser or application) making the request, including its version and platform.
- Vary
The HTTP Vary header.
Indicates that the response varies based on the value of the specified request headers, allowing for content negotiation.
- Via
The HTTP Via header.
Used to track message forwards and proxies, indicating the intermediate protocols and recipients involved in the request/response chain.
- WWWAuthenticate
The HTTP WWW-Authenticate header.
Used in response to a request for authentication, indicating the authentication method that should be used to access the resource.
- Warning
The HTTP Warning header.
Provides additional information about the status or transformation of a message, often used for caching and validation.
- XContentDuration
The HTTP X-Content-Duration header.
Specifies the duration of the content in seconds, often used for media files.
- XContentTypeOptions
The HTTP X-Content-Type-Options header.
Used to prevent MIME type sniffing, ensuring that the browser respects the declared content type.
- XForwardedFor
The HTTP X-Forwarded-For header.
Used to identify the originating IP address of a client connecting to a web server through an HTTP proxy or load balancer.
- XForwardedHost
The HTTP X-Forwarded-Host header.
Used to identify the original host requested by the client in the Host HTTP request header, often used in proxy setups.
- XFrameOptions
The HTTP X-Frame-Options header.
Used to control whether a browser should be allowed to render a page in a iframe, frame, embed or object tag, helping to prevent clickjacking attacks.
- XPoweredBy
The HTTP X-Powered-By header.
Indicates the technology or framework that powers the web application, often used for informational purposes.
- XRequestID
The HTTP X-Request-ID header.
Used to uniquely identify a request for tracking and debugging purposes, often generated by the client or server.
- XUACompatible
The HTTP X-UA-Compatible header.
Used to specify the document mode that Internet Explorer should use to render the page, helping to ensure compatibility with older versions.