mobileFX WebSocketX
WebSocketX ActiveX DLL / WEBSOCKET_HEADER_FIELDS_ENUM Enumeration
In This Topic
    WEBSOCKET_HEADER_FIELDS_ENUM Enumeration
    In This Topic
    Description

    Enumeration of WebSocket HTTP header fields.

    Members
    MemberValueDescription
    HEADER_A_IM1RFC 3229: Delta encoding in HTTP
    HEADER_ACCEPT2RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_ACCEPT_ADDITIONS3RFC 2324: Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0)
    RFC 7168: The Hyper Text Coffee Pot Control Protocol for Tea Efflux Appliances (HTCPCP-TEA)
    HEADER_ACCEPT_CHARSET4RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_ACCEPT_DATETIME5RFC 7089: HTTP framework for time-based access to resource states - Memento
    HEADER_ACCEPT_ENCODING6RFC 7694: Hypertext Transfer Protocol (HTTP) Client-Initiated Content-Encoding
    HEADER_ACCEPT_FEATURES7RFC 2295: Transparent Content Negotiation in HTTP
    HEADER_ACCEPT_LANGUAGE8RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_ACCEPT_PATCH9RFC 5789: PATCH Method for HTTP
    HEADER_ACCEPT_POST10W3C TR http://www.w3.org/TR/ldp: Linked Data Platform 1.0 (LDP)
    HEADER_ACCEPT_RANGES11RFC 7233: Hypertext Transfer Protocol (HTTP/1.1): Range Requests
    HEADER_ACCESS_CONTROL12W3C TR http://www.w3.org/TR/cors: Cross-Origin Resource Sharing (CORS)
    HEADER_ACCESS_CONTROL_ALLOW_CREDENTIALS13W3C TR http://www.w3.org/TR/cors: Cross-Origin Resource Sharing (CORS)
    HEADER_ACCESS_CONTROL_ALLOW_HEADERS14W3C TR http://www.w3.org/TR/cors: Cross-Origin Resource Sharing (CORS)
    HEADER_ACCESS_CONTROL_ALLOW_METHODS15W3C TR http://www.w3.org/TR/cors: Cross-Origin Resource Sharing (CORS)
    HEADER_ACCESS_CONTROL_ALLOW_ORIGIN16W3C TR http://www.w3.org/TR/cors: Cross-Origin Resource Sharing (CORS)
    HEADER_ACCESS_CONTROL_EXPOSE_HEADERS17W3C TR http://www.w3.org/TR/cors: Cross-Origin Resource Sharing (CORS)
    HEADER_ACCESS_CONTROL_MAX_AGE18W3C TR http://www.w3.org/TR/cors: Cross-Origin Resource Sharing (CORS)
    HEADER_ACCESS_CONTROL_REQUEST_HEADERS19W3C TR http://www.w3.org/TR/cors: Cross-Origin Resource Sharing (CORS)
    HEADER_ACCESS_CONTROL_REQUEST_METHOD20W3C TR http://www.w3.org/TR/cors: Cross-Origin Resource Sharing (CORS)
    HEADER_AGE21RFC 7234: Hypertext Transfer Protocol (HTTP/1.1): Caching
    HEADER_ALLOW22RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_ALPN23RFC 7639: The ALPN HTTP Header Field
    HEADER_ALSO_CONTROL24 
    HEADER_ALT_SVC25RFC 7838: HTTP Alternate Services
    HEADER_ALT_USED26RFC 7838: HTTP Alternate Services
    HEADER_ALTERNATE_RECIPIENT27 
    HEADER_ALTERNATES28RFC 2295: Transparent Content Negotiation in HTTP
    HEADER_APPARENTLY_TO29 
    HEADER_APPLY_TO_REDIRECT_REF30RFC 4437: Web Distributed Authoring and Versioning (WebDAV): Redirect Reference Resources
    HEADER_APPROVED31 
    HEADER_ARCHIVE32 
    HEADER_ARCHIVED_AT33 
    HEADER_ARTICLE_NAMES34 
    HEADER_ARTICLE_UPDATES35 
    HEADER_AUTHENTICATION_CONTROL36RFC 8053: HTTP Authentication Extensions for Interactive Clients
    HEADER_AUTHENTICATION_INFO37RFC 7615: The Hypertext Transfer Protocol (HTTP) Authentication-Info and Proxy-Authentication-Info Response Header Fields
    HEADER_AUTHENTICATION_RESULTS38 
    HEADER_AUTHORIZATION39RFC 7235: Hypertext Transfer Protocol (HTTP/1.1): Authentication
    RFC 5849: The OAuth 1.0 Protocol
    HEADER_AUTO_SUBMITTED40 
    HEADER_AUTOFORWARDED41 
    HEADER_AUTOSUBMITTED42 
    HEADER_BASE43 
    HEADER_BCC44 
    HEADER_BODY45 
    HEADER_C_EXT46RFC 2774: An HTTP Extension Framework
    HEADER_C_MAN47RFC 2774: An HTTP Extension Framework
    HEADER_C_OPT48RFC 2774: An HTTP Extension Framework
    HEADER_C_PEP49W3C TR http://www.w3.org/TR/WD-http-pep: PEP - An Extension Mechanism for HTTP
    HEADER_C_PEP_INFO50W3C TR http://www.w3.org/TR/WD-http-pep: PEP - An Extension Mechanism for HTTP
    HEADER_CACHE_CONTROL51RFC 7234: Hypertext Transfer Protocol (HTTP/1.1): Caching
    HEADER_CALDAV_TIMEZONES52 
    HEADER_CANCEL_KEY53 
    HEADER_CANCEL_LOCK54 
    HEADER_CC55 
    HEADER_CLOSE56RFC 7230: Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing
    HEADER_COMMENTS57 
    HEADER_COMPLIANCE58 
    HEADER_CONNECTION59RFC 7230: Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing
    HEADER_CONTENT_ALTERNATIVE60 
    HEADER_CONTENT_BASE61RFC 2068: Hypertext Transfer Protocol - HTTP/1.1
    HEADER_CONTENT_DESCRIPTION62 
    HEADER_CONTENT_DISPOSITION63RFC 6266: Use of the Content-Disposition Header Field in the Hypertext Transfer Protocol (HTTP)
    HEADER_CONTENT_DURATION64 
    HEADER_CONTENT_ENCODING65RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_CONTENT_FEATURES66 
    HEADER_CONTENT_ID67 
    HEADER_CONTENT_IDENTIFIER68 
    HEADER_CONTENT_LANGUAGE69RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_CONTENT_LENGTH70RFC 7230: Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing
    HEADER_CONTENT_LOCATION71RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_CONTENT_MD572 
    HEADER_CONTENT_RANGE73Internet Draft combs-http-indeterminate-range: HTTP/1.1: Range Responses of Indeterminate Length
    HEADER_CONTENT_RETURN74 
    HEADER_CONTENT_SCRIPT_TYPE75 
    HEADER_CONTENT_STYLE_TYPE76 
    HEADER_CONTENT_TRANSFER_ENCODING77 
    HEADER_CONTENT_TYPE78RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_CONTENT_VERSION79RFC 2068: Hypertext Transfer Protocol - HTTP/1.1
    HEADER_CONTROL80 
    HEADER_CONVERSION81 
    HEADER_CONVERSION_WITH_LOSS82 
    HEADER_COOKIE83Internet Draft ietf-httpbis-rfc6265bis: HTTP State Management Mechanism
    HEADER_COOKIE284RFC 2965: HTTP State Management Mechanism
    HEADER_COST85 
    HEADER_DASL86RFC 5323: Web Distributed Authoring and Versioning (WebDAV) SEARCH
    HEADER_DATE87RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_DATE_RECEIVED88 
    HEADER_DAV89RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)
    HEADER_DEFAULT_STYLE90 
    HEADER_DEFERRED_DELIVERY91 
    HEADER_DELIVERY_DATE92 
    HEADER_DELTA_BASE93 
    HEADER_DEPTH94 
    HEADER_DERIVED_FROM95 
    HEADER_DESTINATION96RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)
    HEADER_DIFFERENTIAL_ID97 
    HEADER_DIGEST98RFC 3230: Instance Digests in HTTP
    HEADER_DISCARDED_X400_IPMS_EXTENSIONS99 
    HEADER_DISCARDED_X400_MTS_EXTENSIONS100 
    HEADER_DISCLOSE_RECIPIENTS101 
    HEADER_DISPOSITION_NOTIFICATION_OPTIONS102 
    HEADER_DISPOSITION_NOTIFICATION_TO103 
    HEADER_DISTRIBUTION104 
    HEADER_DKIM_SIGNATURE105 
    HEADER_DL_EXPANSION_HISTORY106 
    HEADER_DOWNGRADED_BCC107 
    HEADER_DOWNGRADED_CC108 
    HEADER_DOWNGRADED_DISPOSITION_NOTIFICATION_TO109 
    HEADER_DOWNGRADED_FINAL_RECIPIENT110 
    HEADER_DOWNGRADED_FROM111 
    HEADER_DOWNGRADED_IN_REPLY_TO112 
    HEADER_DOWNGRADED_MAIL_FROM113 
    HEADER_DOWNGRADED_MESSAGE_ID114 
    HEADER_DOWNGRADED_ORIGINAL_RECIPIENT115 
    HEADER_DOWNGRADED_RCPT_TO116 
    HEADER_DOWNGRADED_REFERENCES117 
    HEADER_DOWNGRADED_REPLY_TO118 
    HEADER_DOWNGRADED_RESENT_BCC119 
    HEADER_DOWNGRADED_RESENT_CC120 
    HEADER_DOWNGRADED_RESENT_FROM121 
    HEADER_DOWNGRADED_RESENT_REPLY_TO122 
    HEADER_DOWNGRADED_RESENT_SENDER123 
    HEADER_DOWNGRADED_RESENT_TO124 
    HEADER_DOWNGRADED_RETURN_PATH125 
    HEADER_DOWNGRADED_SENDER126 
    HEADER_DOWNGRADED_TO127 
    HEADER_EDIINT_FEATURES128RFC 6017: Electronic Data Interchange - Internet Integration (EDIINT) Features Header Field
    HEADER_EESST_VERSION129 
    HEADER_ENCODING130 
    HEADER_ENCRYPTED131 
    HEADER_ERRORS_TO132 
    HEADER_ETAG133RFC 7232: Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
    HEADER_EXPECT134RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_EXPIRES135RFC 7234: Hypertext Transfer Protocol (HTTP/1.1): Caching
    HEADER_EXPIRY_DATE136 
    HEADER_EXT137RFC 2774: An HTTP Extension Framework
    HEADER_FOLLOWUP_TO138 
    HEADER_FORWARDED139RFC 7239: Forwarded HTTP Extension
    HEADER_FROM140 
    HEADER_GENERATE_DELIVERY_REPORT141 
    HEADER_GETPROFILE142 
    HEADER_HOBAREG143RFC 7486: HTTP Origin-Bound Authentication (HOBA)
    HEADER_HOST144RFC 7230: Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing
    HEADER_HTTP2_SETTINGS145RFC 7540: Hypertext Transfer Protocol Version 2
    HEADER_IF_146RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)
    HEADER_IF_MATCH147RFC 7232: Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
    HEADER_IF_MODIFIED_SINCE148RFC 7232: Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
    HEADER_IF_NONE_MATCH149RFC 7232: Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
    HEADER_IF_RANGE150RFC 7233: Hypertext Transfer Protocol (HTTP/1.1): Range Requests
    HEADER_IF_SCHEDULE_TAG_MATCH151RFC 6638: Scheduling Extensions to CalDAV
    HEADER_IF_UNMODIFIED_SINCE152RFC 7232: Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
    HEADER_IM153 
    HEADER_IMPORTANCE154 
    HEADER_IN_REPLY_TO155 
    HEADER_INCOMPLETE_COPY156 
    HEADER_INJECTION_DATE157 
    HEADER_INJECTION_INFO158 
    HEADER_JABBER_ID159 
    HEADER_KEEP_ALIVE160 
    HEADER_KEYWORDS161 
    HEADER_LABEL162RFC 3253: Versioning Extensions to WebDAV (Web Distributed Authoring and Versioning)
    HEADER_LANGUAGE163 
    HEADER_LAST_MODIFIED164RFC 7232: Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
    HEADER_LATEST_DELIVERY_TIME165 
    HEADER_LINES166 
    HEADER_LINK167RFC 8288: Web Linking
    HEADER_LIST_ARCHIVE168 
    HEADER_LIST_HELP169 
    HEADER_LIST_ID170 
    HEADER_LIST_OWNER171 
    HEADER_LIST_POST172 
    HEADER_LIST_SUBSCRIBE173 
    HEADER_LIST_UNSUBSCRIBE174 
    HEADER_LIST_UNSUBSCRIBE_POST175 
    HEADER_LOCATION176RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_LOCK_TOKEN177RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)
    HEADER_MAN178RFC 2774: An HTTP Extension Framework
    HEADER_MAX_FORWARDS179RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_MEMENTO_DATETIME180RFC 7089: HTTP framework for time-based access to resource states - Memento
    HEADER_MESSAGE_CONTEXT181 
    HEADER_MESSAGE_ID182 
    HEADER_MESSAGE_TYPE183 
    HEADER_METER184 
    HEADER_METHOD_CHECK185 
    HEADER_METHOD_CHECK_EXPIRES186 
    HEADER_MIME_VERSION187 
    HEADER_MMHS_ACP127_MESSAGE_IDENTIFIER188 
    HEADER_MMHS_AUTHORIZING_USERS189 
    HEADER_MMHS_CODRESS_MESSAGE_INDICATOR190 
    HEADER_MMHS_COPY_PRECEDENCE191 
    HEADER_MMHS_EXEMPTED_ADDRESS192 
    HEADER_MMHS_EXTENDED_AUTHORISATION_INFO193 
    HEADER_MMHS_HANDLING_INSTRUCTIONS194 
    HEADER_MMHS_MESSAGE_INSTRUCTIONS195 
    HEADER_MMHS_MESSAGE_TYPE196 
    HEADER_MMHS_ORIGINATOR_PLAD197 
    HEADER_MMHS_ORIGINATOR_REFERENCE198 
    HEADER_MMHS_OTHER_RECIPIENTS_INDICATOR_CC199 
    HEADER_MMHS_OTHER_RECIPIENTS_INDICATOR_TO200 
    HEADER_MMHS_PRIMARY_PRECEDENCE201 
    HEADER_MMHS_SUBJECT_INDICATOR_CODES202 
    HEADER_MT_PRIORITY203 
    HEADER_NEGOTIATE204RFC 2295: Transparent Content Negotiation in HTTP
    HEADER_NEWSGROUPS205 
    HEADER_NNTP_POSTING_DATE206 
    HEADER_NNTP_POSTING_HOST207 
    HEADER_NON_COMPLIANCE208 
    HEADER_OBSOLETES209 
    HEADER_OPT210RFC 2774: An HTTP Extension Framework
    HEADER_OPTIONAL211 
    HEADER_OPTIONAL_WWW_AUTHENTICATE212RFC 8053: HTTP Authentication Extensions for Interactive Clients
    HEADER_ORDERING_TYPE213 
    HEADER_ORGANIZATION214 
    HEADER_ORIGIN215W3C TR http://www.w3.org/TR/cors: Cross-Origin Resource Sharing (CORS)
    HEADER_ORIGINAL_ENCODED_INFORMATION_TYPES216 
    HEADER_ORIGINAL_FROM217 
    HEADER_ORIGINAL_MESSAGE_ID218 
    HEADER_ORIGINAL_RECIPIENT219 
    HEADER_ORIGINAL_SENDER220 
    HEADER_ORIGINAL_SUBJECT221 
    HEADER_ORIGINATOR_RETURN_ADDRESS222 
    HEADER_OVERWRITE223RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)
    HEADER_P3P224W3C TR http://www.w3.org/TR/P3P: The Platform for Privacy Preferences 1.0 (P3P1.0) Specification
    HEADER_PATH225 
    HEADER_PEP226W3C TR http://www.w3.org/TR/WD-http-pep: PEP - An Extension Mechanism for HTTP
    HEADER_PEP_INFO227W3C TR http://www.w3.org/TR/WD-http-pep: PEP - An Extension Mechanism for HTTP
    HEADER_PICS_LABEL228 
    HEADER_POSITION229RFC 3648: Web Distributed Authoring and Versioning (WebDAV) Ordered Collections Protocol
    HEADER_POSTING_VERSION230 
    HEADER_PRAGMA231RFC 7234: Hypertext Transfer Protocol (HTTP/1.1): Caching
    HEADER_PREFER232RFC 7240: Prefer Header for HTTP
    HEADER_PREFERENCE_APPLIED233RFC 7240: Prefer Header for HTTP
    HEADER_PREVENT_NONDELIVERY_REPORT234 
    HEADER_PRIORITY235 
    HEADER_PRIVICON236 
    HEADER_PROFILEOBJECT237 
    HEADER_PROTOCOL238 
    HEADER_PROTOCOL_INFO239 
    HEADER_PROTOCOL_QUERY240 
    HEADER_PROTOCOL_REQUEST241 
    HEADER_PROXY_AUTHENTICATE242 
    HEADER_PROXY_AUTHENTICATION_INFO243 
    HEADER_PROXY_AUTHORIZATION244 
    HEADER_PROXY_CONNECTION245 
    HEADER_PROXY_FEATURES246W3C TR http://www.w3.org/TR/WD-proxy: Notification for Proxy Caches
    HEADER_PROXY_INSTRUCTION247W3C TR http://www.w3.org/TR/WD-proxy: Notification for Proxy Caches
    HEADER_PUBLIC_248RFC 2068: Hypertext Transfer Protocol - HTTP/1.1
    HEADER_PUBLIC_KEY_PINS249 
    HEADER_PUBLIC_KEY_PINS_REPORT_ONLY250 
    HEADER_RANGE251 
    HEADER_RECEIVED252 
    HEADER_RECEIVED_SPF253 
    HEADER_REDIRECT_REF254RFC 4437: Web Distributed Authoring and Versioning (WebDAV): Redirect Reference Resources
    HEADER_REFERENCES255 
    HEADER_REFERER256RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_REFERER_ROOT257 
    HEADER_RELAY_VERSION258 
    HEADER_REPLY_BY259 
    HEADER_REPLY_TO260 
    HEADER_REQUIRE_RECIPIENT_VALID_SINCE261 
    HEADER_RESENT_BCC262 
    HEADER_RESENT_CC263 
    HEADER_RESENT_DATE264 
    HEADER_RESENT_FROM265 
    HEADER_RESENT_MESSAGE_ID266 
    HEADER_RESENT_REPLY_TO267 
    HEADER_RESENT_SENDER268 
    HEADER_RESENT_TO269 
    HEADER_RESOLUTION_HINT270 
    HEADER_RESOLVER_LOCATION271 
    HEADER_RETRY_AFTER272 
    HEADER_RETURN_PATH273 
    HEADER_SAFE274RFC 2310: The Safe Response Header Field
    HEADER_SCHEDULE_REPLY275RFC 6638: Scheduling Extensions to CalDAV
    HEADER_SCHEDULE_TAG276RFC 6638: Scheduling Extensions to CalDAV
    HEADER_SEC_FETCH_DEST277W3C TR http://www.w3.org/TR/fetch-metadata: Fetch Metadata Request Headers
    HEADER_SEC_FETCH_MODE278W3C TR http://www.w3.org/TR/fetch-metadata: Fetch Metadata Request Headers
    HEADER_SEC_FETCH_SITE279W3C TR http://www.w3.org/TR/fetch-metadata: Fetch Metadata Request Headers
    HEADER_SEC_FETCH_USER280W3C TR http://www.w3.org/TR/fetch-metadata: Fetch Metadata Request Headers
    HEADER_SEC_WEBSOCKET_ACCEPT281RFC 6455: The WebSocket Protocol
    HEADER_SEC_WEBSOCKET_EXTENSIONS282RFC 6455: The WebSocket Protocol
    HEADER_SEC_WEBSOCKET_KEY283RFC 6455: The WebSocket Protocol
    HEADER_SEC_WEBSOCKET_PROTOCOL284RFC 6455: The WebSocket Protocol
    HEADER_SEC_WEBSOCKET_VERSION285RFC 6455: The WebSocket Protocol
    HEADER_SECURITY_SCHEME286RFC 2660: The Secure HyperText Transfer Protocol (S-HTTP)
    HEADER_SEE_ALSO287 
    HEADER_SENDER288 
    HEADER_SENSITIVITY289 
    HEADER_SERVER290RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_SET_COOKIE291RFC 6265: HTTP State Management Mechanism
    HEADER_SET_COOKIE2292RFC 2965: HTTP State Management Mechanism
    HEADER_SETPROFILE293 
    HEADER_SIO_LABEL294 
    HEADER_SIO_LABEL_HISTORY295 
    HEADER_SLUG296 
    HEADER_SOAPACTION297 
    HEADER_SOLICITATION298 
    HEADER_STATUS_URI299 
    HEADER_STRICT_TRANSPORT_SECURITY300 
    HEADER_SUBJECT301 
    HEADER_SUBOK302 
    HEADER_SUBST303 
    HEADER_SUMMARY304 
    HEADER_SUPERSEDES305 
    HEADER_SURROGATE_CAPABILITY306W3C TR http://www.w3.org/TR/edge-arch: Edge Architecture Specification
    HEADER_SURROGATE_CONTROL307W3C TR http://www.w3.org/TR/edge-arch: Edge Architecture Specification
    HEADER_TCN308RFC 2295: Transparent Content Negotiation in HTTP
    HEADER_TE309RFC 7230: Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing
    HEADER_TIMEOUT310 
    HEADER_TITLE311 
    HEADER_TO312 
    HEADER_TOPIC313 
    HEADER_TRAILER314 
    HEADER_TRANSFER_ENCODING315 
    HEADER_TTL316RFC 8030: Generic Event Delivery Using HTTP Push
    HEADER_UA_COLOR317 
    HEADER_UA_MEDIA318 
    HEADER_UA_PIXELS319 
    HEADER_UA_RESOLUTION320 
    HEADER_UA_WINDOWPIXELS321 
    HEADER_UNKNOWN0 
    HEADER_UPGRADE322RFC 7230: Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing
    HEADER_URGENCY323 
    HEADER_URI324RFC 2068: Hypertext Transfer Protocol - HTTP/1.1
    HEADER_USER_AGENT325RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_VARIANT_VARY326RFC 2295: Transparent Content Negotiation in HTTP
    HEADER_VARY327RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
    HEADER_VBR_INFO328 
    HEADER_VERSION329 
    HEADER_VIA330 
    HEADER_WANT_DIGEST331 
    HEADER_WARNING332 
    HEADER_WWW_AUTHENTICATE333RFC 7616: HTTP Digest Access Authentication
    HEADER_X_ARCHIVED_AT334 
    HEADER_X_DEVICE_ACCEPT335 
    HEADER_X_DEVICE_ACCEPT_CHARSET336 
    HEADER_X_DEVICE_ACCEPT_ENCODING337 
    HEADER_X_DEVICE_ACCEPT_LANGUAGE338 
    HEADER_X_DEVICE_USER_AGENT339 
    HEADER_X_FRAME_OPTIONS340RFC 7034: HTTP Header Field X-Frame-Options
    HEADER_X_MITTENTE341 
    HEADER_X_PGP_SIG342 
    HEADER_X_RICEVUTA343 
    HEADER_X_RIFERIMENTO_MESSAGE_ID344 
    HEADER_X_TIPORICEVUTA345 
    HEADER_X_TRASPORTO346 
    HEADER_X_VERIFICASICUREZZA347 
    HEADER_X400_CONTENT_IDENTIFIER348 
    HEADER_X400_CONTENT_RETURN349 
    HEADER_X400_CONTENT_TYPE350 
    HEADER_X400_MTS_IDENTIFIER351 
    HEADER_X400_ORIGINATOR352 
    HEADER_X400_RECEIVED353 
    HEADER_X400_RECIPIENTS354 
    HEADER_X400_TRACE355 
    HEADER_XREF356 
    Remarks

    The list is an import from boost library.