java.lang.Object
- com.helger.commons.http.CHttpHeader

```
@Immutable
public final class CHttpHeader
extends Object
```
Predefined HTTP header names and values.

Author:

Philip Helger

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`ACCEPT`
`static String`	`ACCEPT_CHARSET`
`static String`	`ACCEPT_ENCODING`
`static String`	`ACCEPT_LANGUAGE`
`static String`	`ACCEPT_PATCH`
`static String`	`ACCESS_CONTROL_ALLOW_CREDENTIALS`
`static String`	`ACCESS_CONTROL_ALLOW_HEADERS`
`static String`	`ACCESS_CONTROL_ALLOW_METHODS`
`static String`	`ACCESS_CONTROL_ALLOW_ORIGIN`
`static String`	`ACCESS_CONTROL_EXPOSE_HEADERS`
`static String`	`ACCESS_CONTROL_MAX_AGE`
`static String`	`ACCESS_CONTROL_REQUEST_HEADERS`
`static String`	`ACCESS_CONTROL_REQUEST_METHOD`
`static String`	`AGE`
`static String`	`ALLOW`
`static String`	`AS2_FROM`
`static String`	`AS2_TO`
`static String`	`AS2_VERSION`
`static String`	`AUTHORIZATION`
`static String`	`CACHE_CONTROL`
`static String`	`CONNECTION`
`static String`	`CONTENT_DESCRIPTION`
`static String`	`CONTENT_DISPOSITION`
`static String`	`CONTENT_ENCODING`
`static String`	`CONTENT_ID`
`static String`	`CONTENT_LANGUAGE`
`static String`	`CONTENT_LENGTH`
`static String`	`CONTENT_SCRIPT_TYPE`
`static String`	`CONTENT_SECURITY_POLICY`
`static String`	`CONTENT_SECURITY_POLICY_REPORT_ONLY`
`static String`	`CONTENT_STYLE_TYPE`
`static String`	`CONTENT_TRANSFER_ENCODING`
`static String`	`CONTENT_TYPE`
`static String`	`COOKIE`
`static String`	`DATE`
`static String`	`DEFAULT_STYLE`
`static String`	`DISPOSITION_NOTIFICATION_OPTIONS`
`static String`	`DISPOSITION_NOTIFICATION_TO`	The URL where the async MDN should be send to - limited to RFC 2822
`static String`	`DNT`
`static String`	`EDIINT_FEATURES`	Defined by RFC 6017
`static String`	`ETAG`
`static String`	`EXPIRES`
`static String`	`EXT_CACHE`
`static String`	`FROM`
`static String`	`HOST`
`static String`	`IF_MATCH`
`static String`	`IF_MODIFIED_SINCE`
`static String`	`IF_NON_MATCH`
`static String`	`IF_UNMODIFIED_SINCE`
`static String`	`LAST_MODIFIED`
`static String`	`LOCATION`
`static String`	`MAN`
`static String`	`MESSAGE_ID`
`static String`	`MIME_VERSION`
`static String`	`OPT`
`static String`	`ORIGIN`
`static String`	`PICS_LABEL`
`static String`	`PRAGMA`
`static String`	`PROFILE`
`static String`	`PROFILE_DIFF`
`static String`	`PROXY`	The "Proxy" header famous from the Httpoxy attack. https://www.apache.org/security/asf-httpoxy-response.txt
`static String`	`PROXY_AUTHORIZATION`
`static String`	`RECEIPT_DELIVERY_OPTION`	The URL where the async MDN should be send to
`static String`	`RECIPIENT_ADDRESS`
`static String`	`REFERER`
`static String`	`REFERRER_POLICY`	https://scotthelme.co.uk/a-new-security-header-referrer-policy/ E.g.
`static String`	`REFRESH`
`static String`	`RETRY_AFTER`	The Retry-After response-header field can be used with a 503 (Service Unavailable) response to indicate how long the service is expected to be unavailable to the requesting client.
`static String`	`SERVER`
`static String`	`SET_COOKIE`
`static String`	`STRICT_TRANSPORT_SECURITY`	https://www.owasp.org/index.php/HTTP_Strict_Transport_Security e.g.
`static String`	`SUBJECT`
`static String`	`TRANSFER_ENCODING`
`static String`	`UA`
`static String`	`USER_AGENT`
`static String`	`VALUE_ALLOW_FROM`
`static String`	`VALUE_DENY`
`static String`	`VALUE_INCLUDE_SUBDOMAINS`
`static String`	`VALUE_NOSNIFF`
`static String`	`VALUE_SAMEORIGIN`
`static String`	`VARY`
`static String`	`WAP_PROFILE`
`static String`	`WAP_PROFILE_DIFF`
`static String`	`WARNING`
`static String`	`WINDOW_TARGET`
`static String`	`WWW_AUTHENTICATE`
`static String`	`X_CONTENT_SECURITY_POLICY`
`static String`	`X_CONTENT_SECURITY_POLICY_REPORT_ONLY`
`static String`	`X_CONTENT_TYPE_OPTIONS`	https://www.owasp.org/index.php/List_of_useful_HTTP_headers e.g.
`static String`	`X_DEVICE_USER_AGENT`
`static String`	`X_FRAME_OPTIONS`	https://www.owasp.org/index.php/List_of_useful_HTTP_headers e.g.
`static String`	`X_UA_COMPATIBLE`
`static String`	`X_WAP_PROFILE`
`static String`	`X_WAP_PROFILE_DIFF`
`static String`	`X_WEBKIT_CSP`
`static String`	`X_XSS_PROTECTION`	https://www.owasp.org/index.php/List_of_useful_HTTP_headers e.g.

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - ACCEPT
```
public static final String ACCEPT
```
    See Also:
    
    Constant Field Values
  - ACCEPT_CHARSET
```
public static final String ACCEPT_CHARSET
```
    See Also:
    
    Constant Field Values
  - ACCEPT_ENCODING
```
public static final String ACCEPT_ENCODING
```
    See Also:
    
    Constant Field Values
  - ACCEPT_LANGUAGE
```
public static final String ACCEPT_LANGUAGE
```
    See Also:
    
    Constant Field Values
  - ACCEPT_PATCH
```
public static final String ACCEPT_PATCH
```
    See Also:
    
    Constant Field Values
  - AGE
```
public static final String AGE
```
    See Also:
    
    Constant Field Values
  - ALLOW
```
public static final String ALLOW
```
    See Also:
    
    Constant Field Values
  - CACHE_CONTROL
```
public static final String CACHE_CONTROL
```
    See Also:
    
    Constant Field Values
  - CONNECTION
```
public static final String CONNECTION
```
    See Also:
    
    Constant Field Values
  - CONTENT_DESCRIPTION
```
public static final String CONTENT_DESCRIPTION
```
    See Also:
    
    Constant Field Values
  - CONTENT_DISPOSITION
```
public static final String CONTENT_DISPOSITION
```
    See Also:
    
    Constant Field Values
  - CONTENT_ENCODING
```
public static final String CONTENT_ENCODING
```
    See Also:
    
    Constant Field Values
  - CONTENT_ID
```
public static final String CONTENT_ID
```
    See Also:
    
    Constant Field Values
  - CONTENT_TYPE
```
public static final String CONTENT_TYPE
```
    See Also:
    
    Constant Field Values
  - COOKIE
```
public static final String COOKIE
```
    See Also:
    
    Constant Field Values
  - DATE
```
public static final String DATE
```
    See Also:
    
    Constant Field Values
  - ETAG
```
public static final String ETAG
```
    See Also:
    
    Constant Field Values
  - EXPIRES
```
public static final String EXPIRES
```
    See Also:
    
    Constant Field Values
  - HOST
```
public static final String HOST
```
    See Also:
    
    Constant Field Values
  - IF_NON_MATCH
```
public static final String IF_NON_MATCH
```
    See Also:
    
    Constant Field Values
  - IF_MATCH
```
public static final String IF_MATCH
```
    See Also:
    
    Constant Field Values
  - IF_MODIFIED_SINCE
```
public static final String IF_MODIFIED_SINCE
```
    See Also:
    
    Constant Field Values
  - IF_UNMODIFIED_SINCE
```
public static final String IF_UNMODIFIED_SINCE
```
    See Also:
    
    Constant Field Values
  - LAST_MODIFIED
```
public static final String LAST_MODIFIED
```
    See Also:
    
    Constant Field Values
  - LOCATION
```
public static final String LOCATION
```
    See Also:
    
    Constant Field Values
  - PRAGMA
```
public static final String PRAGMA
```
    See Also:
    
    Constant Field Values
  - REFERER
```
public static final String REFERER
```
    See Also:
    
    Constant Field Values
  - USER_AGENT
```
public static final String USER_AGENT
```
    See Also:
    
    Constant Field Values
  - VARY
```
public static final String VARY
```
    See Also:
    
    Constant Field Values
  - WARNING
```
public static final String WARNING
```
    See Also:
    
    Constant Field Values
  - AUTHORIZATION
```
public static final String AUTHORIZATION
```
    See Also:
    
    Constant Field Values
  - PROXY_AUTHORIZATION
```
public static final String PROXY_AUTHORIZATION
```
    See Also:
    
    Constant Field Values
  - WWW_AUTHENTICATE
```
public static final String WWW_AUTHENTICATE
```
    See Also:
    
    Constant Field Values
  - STRICT_TRANSPORT_SECURITY
```
public static final String STRICT_TRANSPORT_SECURITY
```
    https://www.owasp.org/index.php/HTTP_Strict_Transport_Security
    e.g. "max-age=16070400; includeSubDomains"
    
    See Also:
    
    Constant Field Values
  - X_FRAME_OPTIONS
```
public static final String X_FRAME_OPTIONS
```
    https://www.owasp.org/index.php/List_of_useful_HTTP_headers
    e.g. X-Frame-Options: deny
    
    See Also:
    
    Constant Field Values
  - X_XSS_PROTECTION
```
public static final String X_XSS_PROTECTION
```
    https://www.owasp.org/index.php/List_of_useful_HTTP_headers
    e.g. X-XSS-Protection: 1; mode=block
    
    See Also:
    
    Constant Field Values
  - X_CONTENT_TYPE_OPTIONS
```
public static final String X_CONTENT_TYPE_OPTIONS
```
    https://www.owasp.org/index.php/List_of_useful_HTTP_headers
    e.g. X-Content-Type-Options: nosniff
    
    See Also:
    
    Constant Field Values
  - REFERRER_POLICY
```
public static final String REFERRER_POLICY
```
    https://scotthelme.co.uk/a-new-security-header-referrer-policy/
    E.g. Referrer-Policy: strict-origin
    
    See Also:
    
    Constant Field Values
  - PROXY
```
public static final String PROXY
```
    The "Proxy" header famous from the Httpoxy attack.
    https://www.apache.org/security/asf-httpoxy-response.txt
    
    See Also:
    
    Constant Field Values
  - RETRY_AFTER
```
public static final String RETRY_AFTER
```
    The Retry-After response-header field can be used with a 503 (Service Unavailable) response to indicate how long the service is expected to be unavailable to the requesting client. This field MAY also be used with any 3xx (Redirection) response to indicate the minimum time the user-agent is asked wait before issuing the redirected request. The value of this field can be either an HTTP-date or an integer number of seconds (in decimal) after the time of the response
    
    See Also:
    
    Constant Field Values
  - DNT
```
public static final String DNT
```
    See Also:
    
    Constant Field Values
  - UA
```
public static final String UA
```
    See Also:
    
    Constant Field Values
  - X_DEVICE_USER_AGENT
```
public static final String X_DEVICE_USER_AGENT
```
    See Also:
    
    Constant Field Values
  - CONTENT_LANGUAGE
```
public static final String CONTENT_LANGUAGE
```
    See Also:
    
    Constant Field Values
  - CONTENT_SCRIPT_TYPE
```
public static final String CONTENT_SCRIPT_TYPE
```
    See Also:
    
    Constant Field Values
  - CONTENT_STYLE_TYPE
```
public static final String CONTENT_STYLE_TYPE
```
    See Also:
    
    Constant Field Values
  - DEFAULT_STYLE
```
public static final String DEFAULT_STYLE
```
    See Also:
    
    Constant Field Values
  - REFRESH
```
public static final String REFRESH
```
    See Also:
    
    Constant Field Values
  - WINDOW_TARGET
```
public static final String WINDOW_TARGET
```
    See Also:
    
    Constant Field Values
  - EXT_CACHE
```
public static final String EXT_CACHE
```
    See Also:
    
    Constant Field Values
  - PICS_LABEL
```
public static final String PICS_LABEL
```
    See Also:
    
    Constant Field Values
  - X_UA_COMPATIBLE
```
public static final String X_UA_COMPATIBLE
```
    See Also:
    
    Constant Field Values
  - CONTENT_LENGTH
```
public static final String CONTENT_LENGTH
```
    See Also:
    
    Constant Field Values
  - SET_COOKIE
```
public static final String SET_COOKIE
```
    See Also:
    
    Constant Field Values
  - TRANSFER_ENCODING
```
public static final String TRANSFER_ENCODING
```
    See Also:
    
    Constant Field Values
  - ACCESS_CONTROL_ALLOW_CREDENTIALS
```
public static final String ACCESS_CONTROL_ALLOW_CREDENTIALS
```
    See Also:
    
    Constant Field Values
  - ACCESS_CONTROL_ALLOW_HEADERS
```
public static final String ACCESS_CONTROL_ALLOW_HEADERS
```
    See Also:
    
    Constant Field Values
  - ACCESS_CONTROL_ALLOW_METHODS
```
public static final String ACCESS_CONTROL_ALLOW_METHODS
```
    See Also:
    
    Constant Field Values
  - ACCESS_CONTROL_ALLOW_ORIGIN
```
public static final String ACCESS_CONTROL_ALLOW_ORIGIN
```
    See Also:
    
    Constant Field Values
  - ACCESS_CONTROL_EXPOSE_HEADERS
```
public static final String ACCESS_CONTROL_EXPOSE_HEADERS
```
    See Also:
    
    Constant Field Values
  - ACCESS_CONTROL_MAX_AGE
```
public static final String ACCESS_CONTROL_MAX_AGE
```
    See Also:
    
    Constant Field Values
  - ACCESS_CONTROL_REQUEST_METHOD
```
public static final String ACCESS_CONTROL_REQUEST_METHOD
```
    See Also:
    
    Constant Field Values
  - ACCESS_CONTROL_REQUEST_HEADERS
```
public static final String ACCESS_CONTROL_REQUEST_HEADERS
```
    See Also:
    
    Constant Field Values
  - ORIGIN
```
public static final String ORIGIN
```
    See Also:
    
    Constant Field Values
  - CONTENT_SECURITY_POLICY
```
public static final String CONTENT_SECURITY_POLICY
```
    See Also:
    
    Constant Field Values
  - X_CONTENT_SECURITY_POLICY
```
public static final String X_CONTENT_SECURITY_POLICY
```
    See Also:
    
    Constant Field Values
  - X_WEBKIT_CSP
```
public static final String X_WEBKIT_CSP
```
    See Also:
    
    Constant Field Values
  - CONTENT_SECURITY_POLICY_REPORT_ONLY
```
public static final String CONTENT_SECURITY_POLICY_REPORT_ONLY
```
    See Also:
    
    Constant Field Values
  - X_CONTENT_SECURITY_POLICY_REPORT_ONLY
```
public static final String X_CONTENT_SECURITY_POLICY_REPORT_ONLY
```
    See Also:
    
    Constant Field Values
  - X_WAP_PROFILE
```
public static final String X_WAP_PROFILE
```
    See Also:
    
    Constant Field Values
  - PROFILE
```
public static final String PROFILE
```
    See Also:
    
    Constant Field Values
  - WAP_PROFILE
```
public static final String WAP_PROFILE
```
    See Also:
    
    Constant Field Values
  - MAN
```
public static final String MAN
```
    See Also:
    
    Constant Field Values
  - OPT
```
public static final String OPT
```
    See Also:
    
    Constant Field Values
  - X_WAP_PROFILE_DIFF
```
public static final String X_WAP_PROFILE_DIFF
```
    See Also:
    
    Constant Field Values
  - PROFILE_DIFF
```
public static final String PROFILE_DIFF
```
    See Also:
    
    Constant Field Values
  - WAP_PROFILE_DIFF
```
public static final String WAP_PROFILE_DIFF
```
    See Also:
    
    Constant Field Values
  - AS2_FROM
```
public static final String AS2_FROM
```
    See Also:
    
    Constant Field Values
  - AS2_TO
```
public static final String AS2_TO
```
    See Also:
    
    Constant Field Values
  - AS2_VERSION
```
public static final String AS2_VERSION
```
    See Also:
    
    Constant Field Values
  - CONTENT_TRANSFER_ENCODING
```
public static final String CONTENT_TRANSFER_ENCODING
```
    See Also:
    
    Constant Field Values
  - DISPOSITION_NOTIFICATION_OPTIONS
```
public static final String DISPOSITION_NOTIFICATION_OPTIONS
```
    See Also:
    
    Constant Field Values
  - DISPOSITION_NOTIFICATION_TO
```
public static final String DISPOSITION_NOTIFICATION_TO
```
    The URL where the async MDN should be send to - limited to RFC 2822
    
    See Also:
    
    Constant Field Values
  - FROM
```
public static final String FROM
```
    See Also:
    
    Constant Field Values
  - MESSAGE_ID
```
public static final String MESSAGE_ID
```
    See Also:
    
    Constant Field Values
  - MIME_VERSION
```
public static final String MIME_VERSION
```
    See Also:
    
    Constant Field Values
  - RECEIPT_DELIVERY_OPTION
```
public static final String RECEIPT_DELIVERY_OPTION
```
    The URL where the async MDN should be send to
    
    See Also:
    
    Constant Field Values
  - RECIPIENT_ADDRESS
```
public static final String RECIPIENT_ADDRESS
```
    See Also:
    
    Constant Field Values
  - SERVER
```
public static final String SERVER
```
    See Also:
    
    Constant Field Values
  - SUBJECT
```
public static final String SUBJECT
```
    See Also:
    
    Constant Field Values
  - EDIINT_FEATURES
```
public static final String EDIINT_FEATURES
```
    Defined by RFC 6017
    
    See Also:
    
    Constant Field Values
  - VALUE_ALLOW_FROM
```
public static final String VALUE_ALLOW_FROM
```
    See Also:
    
    Constant Field Values
  - VALUE_DENY
```
public static final String VALUE_DENY
```
    See Also:
    
    Constant Field Values
  - VALUE_INCLUDE_SUBDOMAINS
```
public static final String VALUE_INCLUDE_SUBDOMAINS
```
    See Also:
    
    Constant Field Values
  - VALUE_NOSNIFF
```
public static final String VALUE_NOSNIFF
```
    See Also:
    
    Constant Field Values
  - VALUE_SAMEORIGIN
```
public static final String VALUE_SAMEORIGIN
```
    See Also:
    
    Constant Field Values

Class CHttpHeader

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ACCEPT

ACCEPT_CHARSET

ACCEPT_ENCODING

ACCEPT_LANGUAGE

ACCEPT_PATCH

AGE

ALLOW

CACHE_CONTROL

CONNECTION

CONTENT_DESCRIPTION

CONTENT_DISPOSITION

CONTENT_ENCODING

CONTENT_ID

CONTENT_TYPE

COOKIE

DATE

ETAG

EXPIRES

HOST

IF_NON_MATCH

IF_MATCH

IF_MODIFIED_SINCE

IF_UNMODIFIED_SINCE

LAST_MODIFIED

LOCATION

PRAGMA

REFERER

USER_AGENT

VARY

WARNING

AUTHORIZATION

PROXY_AUTHORIZATION

WWW_AUTHENTICATE

STRICT_TRANSPORT_SECURITY

X_FRAME_OPTIONS

X_XSS_PROTECTION

X_CONTENT_TYPE_OPTIONS

REFERRER_POLICY

PROXY

RETRY_AFTER

DNT

UA

X_DEVICE_USER_AGENT

CONTENT_LANGUAGE

CONTENT_SCRIPT_TYPE

CONTENT_STYLE_TYPE

DEFAULT_STYLE

REFRESH

WINDOW_TARGET

EXT_CACHE

PICS_LABEL

X_UA_COMPATIBLE

CONTENT_LENGTH

SET_COOKIE

TRANSFER_ENCODING

ACCESS_CONTROL_ALLOW_CREDENTIALS

ACCESS_CONTROL_ALLOW_HEADERS

ACCESS_CONTROL_ALLOW_METHODS

ACCESS_CONTROL_ALLOW_ORIGIN

ACCESS_CONTROL_EXPOSE_HEADERS

ACCESS_CONTROL_MAX_AGE

ACCESS_CONTROL_REQUEST_METHOD

ACCESS_CONTROL_REQUEST_HEADERS

ORIGIN

CONTENT_SECURITY_POLICY

X_CONTENT_SECURITY_POLICY

X_WEBKIT_CSP

CONTENT_SECURITY_POLICY_REPORT_ONLY

X_CONTENT_SECURITY_POLICY_REPORT_ONLY

X_WAP_PROFILE

PROFILE

WAP_PROFILE

MAN

OPT

X_WAP_PROFILE_DIFF