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(See the Legal Provisions document at https://trustee.ietf.org/license-info for more information.) -- The document date (June 28, 2005) is 6848 days in the past. Is this intentional? Checking references for intended status: Proposed Standard ---------------------------------------------------------------------------- (See RFCs 3967 and 4897 for information about using normative references to lower-maturity documents in RFCs) == Unused Reference: '19' is defined on line 2284, but no explicit reference was found in the text ** Downref: Normative reference to an Informational RFC: RFC 1945 (ref. '3') ** Obsolete normative reference: RFC 2068 (ref. '4') (Obsoleted by RFC 2616) ** Obsolete normative reference: RFC 2109 (ref. '5') (Obsoleted by RFC 2965) ** Downref: Normative reference to an Experimental RFC: RFC 2295 (ref. '7') ** Downref: Normative reference to an Historic RFC: RFC 2310 (ref. '8') ** Downref: Normative reference to an Informational RFC: RFC 2324 (ref. '9') ** Obsolete normative reference: RFC 2518 (ref. '10') (Obsoleted by RFC 4918) ** Obsolete normative reference: RFC 2616 (ref. '11') (Obsoleted by RFC 7230, RFC 7231, RFC 7232, RFC 7233, RFC 7234, RFC 7235) ** Obsolete normative reference: RFC 2617 (ref. '12') (Obsoleted by RFC 7235, RFC 7615, RFC 7616, RFC 7617) ** Downref: Normative reference to an Historic RFC: RFC 2660 (ref. '13') ** Downref: Normative reference to an Historic RFC: RFC 2774 (ref. '14') ** Obsolete normative reference: RFC 2965 (ref. '15') (Obsoleted by RFC 6265) ** Obsolete normative reference: RFC 3230 (ref. '17') (Obsoleted by RFC 9530) -- Possible downref: Non-RFC (?) normative reference: ref. '20' -- Possible downref: Non-RFC (?) normative reference: ref. '21' -- Possible downref: Non-RFC (?) normative reference: ref. '22' -- Possible downref: Non-RFC (?) normative reference: ref. '23' -- Possible downref: Non-RFC (?) normative reference: ref. '24' -- Possible downref: Non-RFC (?) normative reference: ref. '25' -- Possible downref: Non-RFC (?) normative reference: ref. '26' -- Possible downref: Non-RFC (?) normative reference: ref. '27' -- Possible downref: Non-RFC (?) normative reference: ref. '28' -- Possible downref: Non-RFC (?) normative reference: ref. '29' Summary: 16 errors (**), 0 flaws (~~), 10 warnings (==), 17 comments (--). Run idnits with the --verbose option for more detailed information about the items above. -------------------------------------------------------------------------------- 2 Network Working Group M. Nottingham 3 Internet-Draft 4 Expires: December 30, 2005 J. Mogul 5 HP Labs 6 June 28, 2005 8 HTTP Header Field Registrations 9 draft-nottingham-hdrreg-http-05 11 Status of this Memo 13 By submitting this Internet-Draft, each author represents that any 14 applicable patent or other IPR claims of which he or she is aware 15 have been or will be disclosed, and any of which he or she becomes 16 aware will be disclosed, in accordance with Section 6 of BCP 79. 18 Internet-Drafts are working documents of the Internet Engineering 19 Task Force (IETF), its areas, and its working groups. Note that 20 other groups may also distribute working documents as Internet- 21 Drafts. 23 Internet-Drafts are draft documents valid for a maximum of six months 24 and may be updated, replaced, or obsoleted by other documents at any 25 time. It is inappropriate to use Internet-Drafts as reference 26 material or to cite them other than as "work in progress." 28 The list of current Internet-Drafts can be accessed at 29 http://www.ietf.org/ietf/1id-abstracts.txt. 31 The list of Internet-Draft Shadow Directories can be accessed at 32 http://www.ietf.org/shadow.html. 34 This Internet-Draft will expire on December 30, 2005. 36 Copyright Notice 38 Copyright (C) The Internet Society (2005). 40 Abstract 42 This document defines the initial contents of a permanent IANA 43 registry for HTTP header fields and a provisional repository for HTTP 44 header fields, per RFC 3864. 46 Table of Contents 48 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 6 49 1.1 Document terminology and conventions . . . . . . . . . . . 6 50 2. Registration templates . . . . . . . . . . . . . . . . . . . . 6 51 2.1 Permanent HTTP header field registrations . . . . . . . . 6 52 2.1.1 Header field: A-IM . . . . . . . . . . . . . . . . . . 9 53 2.1.2 Header field: Accept . . . . . . . . . . . . . . . . . 9 54 2.1.3 Header field: Accept-Additions . . . . . . . . . . . . 9 55 2.1.4 Header field: Accept-Charset . . . . . . . . . . . . . 10 56 2.1.5 Header field: Accept-Encoding . . . . . . . . . . . . 10 57 2.1.6 Header field: Accept-Features . . . . . . . . . . . . 10 58 2.1.7 Header field: Accept-Language . . . . . . . . . . . . 11 59 2.1.8 Header field: Accept-Ranges . . . . . . . . . . . . . 11 60 2.1.9 Header field: Age . . . . . . . . . . . . . . . . . . 11 61 2.1.10 Header field: Allow . . . . . . . . . . . . . . . . . 12 62 2.1.11 Header field: Alternates . . . . . . . . . . . . . . . 12 63 2.1.12 Header field: Authentication-Info . . . . . . . . . . 12 64 2.1.13 Header field: Authorization . . . . . . . . . . . . . 12 65 2.1.14 Header field: C-Ext . . . . . . . . . . . . . . . . . 13 66 2.1.15 Header field: C-Man . . . . . . . . . . . . . . . . . 13 67 2.1.16 Header field: C-Opt . . . . . . . . . . . . . . . . . 13 68 2.1.17 Header field: C-PEP . . . . . . . . . . . . . . . . . 14 69 2.1.18 Header field: C-PEP-Info . . . . . . . . . . . . . . . 14 70 2.1.19 Header field: Cache-Control . . . . . . . . . . . . . 15 71 2.1.20 Header field: Connection . . . . . . . . . . . . . . . 15 72 2.1.21 Header field: Content-Base . . . . . . . . . . . . . . 15 73 2.1.22 Header field: Content-Disposition . . . . . . . . . . 16 74 2.1.23 Header field: Content-Encoding . . . . . . . . . . . . 16 75 2.1.24 Header field: Content-ID . . . . . . . . . . . . . . . 16 76 2.1.25 Header field: Content-Language . . . . . . . . . . . . 17 77 2.1.26 Header field: Content-Length . . . . . . . . . . . . . 17 78 2.1.27 Header field: Content-Location . . . . . . . . . . . . 17 79 2.1.28 Header field: Content-MD5 . . . . . . . . . . . . . . 18 80 2.1.29 Header field: Content-Range . . . . . . . . . . . . . 18 81 2.1.30 Header field: Content-Script-Type . . . . . . . . . . 18 82 2.1.31 Header field: Content-Style-Type . . . . . . . . . . . 18 83 2.1.32 Header field: Content-Type . . . . . . . . . . . . . . 19 84 2.1.33 Header field: Content-Version . . . . . . . . . . . . 19 85 2.1.34 Header field: Cookie . . . . . . . . . . . . . . . . . 19 86 2.1.35 Header field: Cookie2 . . . . . . . . . . . . . . . . 20 87 2.1.36 Header field: DAV . . . . . . . . . . . . . . . . . . 20 88 2.1.37 Header field: Date . . . . . . . . . . . . . . . . . . 20 89 2.1.38 Header field: Default-Style . . . . . . . . . . . . . 21 90 2.1.39 Header field: Delta-Base . . . . . . . . . . . . . . . 21 91 2.1.40 Header field: Depth . . . . . . . . . . . . . . . . . 21 92 2.1.41 Header field: Derived-From . . . . . . . . . . . . . . 22 93 2.1.42 Header field: Destination . . . . . . . . . . . . . . 22 94 2.1.43 Header field: Differential-ID . . . . . . . . . . . . 22 95 2.1.44 Header field: Digest . . . . . . . . . . . . . . . . . 23 96 2.1.45 Header field: ETag . . . . . . . . . . . . . . . . . . 23 97 2.1.46 Header field: Expect . . . . . . . . . . . . . . . . . 23 98 2.1.47 Header field: Expires . . . . . . . . . . . . . . . . 24 99 2.1.48 Header field: Ext . . . . . . . . . . . . . . . . . . 24 100 2.1.49 Header field: From . . . . . . . . . . . . . . . . . . 24 101 2.1.50 Header field: GetProfile . . . . . . . . . . . . . . . 24 102 2.1.51 Header field: Host . . . . . . . . . . . . . . . . . . 25 103 2.1.52 Header field: IM . . . . . . . . . . . . . . . . . . . 25 104 2.1.53 Header field: If . . . . . . . . . . . . . . . . . . . 26 105 2.1.54 Header field: If-Match . . . . . . . . . . . . . . . . 26 106 2.1.55 Header field: If-Modified-Since . . . . . . . . . . . 26 107 2.1.56 Header field: If-None-Match . . . . . . . . . . . . . 26 108 2.1.57 Header field: If-Range . . . . . . . . . . . . . . . . 27 109 2.1.58 Header field: If-Unmodified-Since . . . . . . . . . . 27 110 2.1.59 Header field: Keep-Alive . . . . . . . . . . . . . . . 27 111 2.1.60 Header field: Label . . . . . . . . . . . . . . . . . 28 112 2.1.61 Header field: Last-Modified . . . . . . . . . . . . . 28 113 2.1.62 Header field: Link . . . . . . . . . . . . . . . . . . 28 114 2.1.63 Header field: Location . . . . . . . . . . . . . . . . 29 115 2.1.64 Header field: Lock-Token . . . . . . . . . . . . . . . 29 116 2.1.65 Header field: MIME-Version . . . . . . . . . . . . . . 29 117 2.1.66 Header field: Man . . . . . . . . . . . . . . . . . . 30 118 2.1.67 Header field: Max-Forwards . . . . . . . . . . . . . . 30 119 2.1.68 Header field: Meter . . . . . . . . . . . . . . . . . 30 120 2.1.69 Header field: Negotiate . . . . . . . . . . . . . . . 30 121 2.1.70 Header field: Opt . . . . . . . . . . . . . . . . . . 31 122 2.1.71 Header field: Overwrite . . . . . . . . . . . . . . . 31 123 2.1.72 Header field: P3P . . . . . . . . . . . . . . . . . . 31 124 2.1.73 Header field: PEP . . . . . . . . . . . . . . . . . . 32 125 2.1.74 Header field: PICS-Label . . . . . . . . . . . . . . . 32 126 2.1.75 Header field: Pep-Info . . . . . . . . . . . . . . . . 32 127 2.1.76 Header field: Pragma . . . . . . . . . . . . . . . . . 33 128 2.1.77 Header field: ProfileObject . . . . . . . . . . . . . 33 129 2.1.78 Header field: Protocol . . . . . . . . . . . . . . . . 34 130 2.1.79 Header field: Protocol-Info . . . . . . . . . . . . . 34 131 2.1.80 Header field: Protocol-Query . . . . . . . . . . . . . 34 132 2.1.81 Header field: Protocol-Request . . . . . . . . . . . . 35 133 2.1.82 Header field: Proxy-Authenticate . . . . . . . . . . . 35 134 2.1.83 Header field: Proxy-Authentication-Info . . . . . . . 35 135 2.1.84 Header field: Proxy-Authorization . . . . . . . . . . 36 136 2.1.85 Header field: Proxy-Features . . . . . . . . . . . . . 36 137 2.1.86 Header field: Proxy-Instruction . . . . . . . . . . . 36 138 2.1.87 Header field: Public . . . . . . . . . . . . . . . . . 36 139 2.1.88 Header field: Range . . . . . . . . . . . . . . . . . 37 140 2.1.89 Header field: Referer . . . . . . . . . . . . . . . . 37 141 2.1.90 Header field: Retry-After . . . . . . . . . . . . . . 37 142 2.1.91 Header field: Safe . . . . . . . . . . . . . . . . . . 38 143 2.1.92 Header field: Security-Scheme . . . . . . . . . . . . 38 144 2.1.93 Header field: Server . . . . . . . . . . . . . . . . . 38 145 2.1.94 Header field: Set-Cookie . . . . . . . . . . . . . . . 39 146 2.1.95 Header field: Set-Cookie2 . . . . . . . . . . . . . . 39 147 2.1.96 Header field: SetProfile . . . . . . . . . . . . . . . 39 148 2.1.97 Header field: SoapAction . . . . . . . . . . . . . . . 40 149 2.1.98 Header field: Status-URI . . . . . . . . . . . . . . . 40 150 2.1.99 Header field: Surrogate-Capability . . . . . . . . . . 41 151 2.1.100 Header field: Surrogate-Control . . . . . . . . . . 41 152 2.1.101 Header field: TCN . . . . . . . . . . . . . . . . . 41 153 2.1.102 Header field: TE . . . . . . . . . . . . . . . . . . 42 154 2.1.103 Header field: Timeout . . . . . . . . . . . . . . . 42 155 2.1.104 Header field: Trailer . . . . . . . . . . . . . . . 42 156 2.1.105 Header field: Transfer-Encoding . . . . . . . . . . 42 157 2.1.106 Header field: URI . . . . . . . . . . . . . . . . . 43 158 2.1.107 Header field: Upgrade . . . . . . . . . . . . . . . 43 159 2.1.108 Header field: User-Agent . . . . . . . . . . . . . . 43 160 2.1.109 Header field: Variant-Vary . . . . . . . . . . . . . 44 161 2.1.110 Header field: Vary . . . . . . . . . . . . . . . . . 44 162 2.1.111 Header field: Via . . . . . . . . . . . . . . . . . 44 163 2.1.112 Header field: WWW-Authenticate . . . . . . . . . . . 45 164 2.1.113 Header field: Want-Digest . . . . . . . . . . . . . 45 165 2.1.114 Header field: Warning . . . . . . . . . . . . . . . 45 166 2.2 Provisional HTTP header field submissions . . . . . . . . 46 167 2.2.1 Header field: Compliance . . . . . . . . . . . . . . . 46 168 2.2.2 Header field: Content-Transfer-Encoding . . . . . . . 46 169 2.2.3 Header field: Cost . . . . . . . . . . . . . . . . . . 47 170 2.2.4 Header field: Message-ID . . . . . . . . . . . . . . . 47 171 2.2.5 Header field: Non-Compliance . . . . . . . . . . . . . 47 172 2.2.6 Header field: Optional . . . . . . . . . . . . . . . . 48 173 2.2.7 Header field: Resolution-Hint . . . . . . . . . . . . 48 174 2.2.8 Header field: Resolver-Location . . . . . . . . . . . 49 175 2.2.9 Header field: SubOK . . . . . . . . . . . . . . . . . 49 176 2.2.10 Header field: Subst . . . . . . . . . . . . . . . . . 49 177 2.2.11 Header field: Title . . . . . . . . . . . . . . . . . 50 178 2.2.12 Header field: UA-Color . . . . . . . . . . . . . . . . 50 179 2.2.13 Header field: UA-Media . . . . . . . . . . . . . . . . 50 180 2.2.14 Header field: UA-Pixels . . . . . . . . . . . . . . . 51 181 2.2.15 Header field: UA-Resolution . . . . . . . . . . . . . 51 182 2.2.16 Header field: UA-Windowpixels . . . . . . . . . . . . 52 183 2.2.17 Header field: Version . . . . . . . . . . . . . . . . 52 184 3. IANA considerations . . . . . . . . . . . . . . . . . . . . . 52 185 4. Security considerations . . . . . . . . . . . . . . . . . . . 53 186 5. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 53 187 6. References . . . . . . . . . . . . . . . . . . . . . . . . . . 53 188 6.1 Normative references . . . . . . . . . . . . . . . . . . . 53 189 6.2 Informative references . . . . . . . . . . . . . . . . . . 55 190 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . 55 191 A. Revision History . . . . . . . . . . . . . . . . . . . . . . . 56 192 Intellectual Property and Copyright Statements . . . . . . . . 57 194 1. Introduction 196 HTTP/1.0 [3] and HTTP/1.1 [11] define protocol constructs 197 (respectively, the HTTP-header and message-header BNF rules) that are 198 used as message headers. These specifications also define a number 199 of HTTP headers themselves, and provide for extension through the use 200 of new field-names. 202 This document defines the initial contents of an IANA registry that 203 catalogs permanent HTTP header field-names, and an IANA repository 204 that catalogs privisional HTTP header field-names. Both are operated 205 according to Registration Procedures for Message Header Fields [1]. 207 Note that neither tracks the syntax or semantics of field-values. 208 Also, while some HTTP headers have different semantics depending on 209 their context (e.g., Cache-Control in requests and responses), both 210 registries consider the HTTP header field-name name space singular. 212 Also, some contact details listed may no longer be correct. 214 1.1 Document terminology and conventions 216 The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", 217 "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this 218 document are to be interpreted as described in RFC 2119 [2]. 220 2. Registration templates 222 Header field entries are summarized in tabular form for convenience 223 of reference, and presented in full in the following sections. 225 2.1 Permanent HTTP header field registrations 227 Header name Protocol 228 ----------- -------- 229 A-IM http 230 Accept http 231 Accept-Additions http 232 Accept-Charset http 233 Accept-Encoding http 234 Accept-Features http 235 Accept-Language http 236 Accept-Ranges http 237 Age http 238 Allow http 239 Alternates http 240 Authentication-Info http 241 Authorization http 242 C-Ext http 243 C-Man http 244 C-Opt http 245 C-PEP http 246 C-PEP-Info http 247 Cache-Control http 248 Connection http 249 Content-Base http 250 Content-Disposition http 251 Content-Encoding http 252 Content-ID http 253 Content-Language http 254 Content-Length http 255 Content-Location http 256 Content-MD5 http 257 Content-Range http 258 Content-Script-Type http 259 Content-Style-Type http 260 Content-Type http 261 Content-Version http 262 Cookie http 263 Cookie2 http 264 DAV http 265 Date http 266 Default-Style http 267 Delta-Base http 268 Depth http 269 Derived-From http 270 Destination http 271 Differential-ID http 272 Digest http 273 ETag http 274 Expect http 275 Expires http 276 Ext http 277 From http 278 GetProfile http 279 Host http 280 IM http 281 If http 282 If-Match http 283 If-Modified-Since http 284 If-None-Match http 285 If-Range http 286 If-Unmodified-Since http 287 Keep-Alive http 288 Label http 289 Last-Modified http 290 Link http 291 Location http 292 Lock-Token http 293 MIME-Version http 294 Man http 295 Max-Forwards http 296 Meter http 297 Negotiate http 298 Opt http 299 Overwrite http 300 P3P http 301 PEP http 302 PICS-Label http 303 Pep-Info http 304 Pragma http 305 ProfileObject http 306 Protocol http 307 Protocol-Info http 308 Protocol-Query http 309 Protocol-Request http 310 Proxy-Authenticate http 311 Proxy-Authentication-Info 312 http 313 Proxy-Authorization http 314 Proxy-Features http 315 Proxy-Instruction http 316 Public http 317 Range http 318 Referer http 319 Retry-After http 320 Safe http 321 Security-Scheme http 322 Server http 323 Set-Cookie http 324 Set-Cookie2 http 325 SetProfile http 326 SoapAction http 327 Status-URI http 328 Surrogate-Capability 329 http 330 Surrogate-Control http 331 TCN http 332 TE http 333 Timeout http 334 Trailer http 335 Transfer-Encoding http 336 URI http 337 Upgrade http 338 User-Agent http 339 Variant-Vary http 340 Vary http 341 Via http 342 WWW-Authenticate http 343 Want-Digest http 344 Warning http 346 Figure 1 348 2.1.1 Header field: A-IM 350 Applicable protocol: http [11] 352 Status: standard 354 Author/change controller: 355 IETF (iesg@ietf.org) 356 Internet Engineering Task Force 358 Specification document(s): 359 RFC3229 [16] 361 2.1.2 Header field: Accept 363 Applicable protocol: http [11] 365 Status: standard 367 Author/change controller: 368 IETF (iesg@ietf.org) 369 Internet Engineering Task Force 371 Specification document(s): 372 RFC2616 [11] 374 2.1.3 Header field: Accept-Additions 376 Applicable protocol: http [11] 378 Status: informational 379 Author/change controller: 380 IETF (iesg@ietf.org) 381 Internet Engineering Task Force 383 Specification document(s): 384 RFC2324 [9] 386 Related information: spoof 388 2.1.4 Header field: Accept-Charset 390 Applicable protocol: http [11] 392 Status: standard 394 Author/change controller: 395 IETF (iesg@ietf.org) 396 Internet Engineering Task Force 398 Specification document(s): 399 RFC2616 [11] 401 2.1.5 Header field: Accept-Encoding 403 Applicable protocol: http [11] 405 Status: standard 407 Author/change controller: 408 IETF (iesg@ietf.org) 409 Internet Engineering Task Force 411 Specification document(s): 412 RFC2616 [11] 414 2.1.6 Header field: Accept-Features 416 Applicable protocol: http [11] 418 Status: experimental 420 Author/change controller: 421 Andrew H. Mutz (mutz@hpl.hp.com) 422 Koen Holtman (koen@win.tue.nl) 424 Specification document(s): 425 RFC2295 [7] 427 2.1.7 Header field: Accept-Language 429 Applicable protocol: http [11] 431 Status: standard 433 Author/change controller: 434 IETF (iesg@ietf.org) 435 Internet Engineering Task Force 437 Specification document(s): 438 RFC2616 [11] 440 2.1.8 Header field: Accept-Ranges 442 Applicable protocol: http [11] 444 Status: standard 446 Author/change controller: 447 IETF (iesg@ietf.org) 448 Internet Engineering Task Force 450 Specification document(s): 451 RFC2616 [11] 453 2.1.9 Header field: Age 455 Applicable protocol: http [11] 457 Status: standard 459 Author/change controller: 460 IETF (iesg@ietf.org) 461 Internet Engineering Task Force 463 Specification document(s): 464 RFC2616 [11] 466 2.1.10 Header field: Allow 468 Applicable protocol: http [11] 470 Status: standard 472 Author/change controller: 473 IETF (iesg@ietf.org) 474 Internet Engineering Task Force 476 Specification document(s): 477 RFC2616 [11] 479 2.1.11 Header field: Alternates 481 Applicable protocol: http [11] 483 Status: experimental 485 Author/change controller: 486 Andrew H. Mutz (mutz@hpl.hp.com) 487 Koen Holtman (koen@win.tue.nl) 489 Specification document(s): 490 RFC2295 [7] 492 2.1.12 Header field: Authentication-Info 494 Applicable protocol: http [11] 496 Status: standard 498 Author/change controller: 499 IETF (iesg@ietf.org) 500 Internet Engineering Task Force 502 Specification document(s): 503 RFC2617 [12] 505 2.1.13 Header field: Authorization 506 Applicable protocol: http [11] 508 Status: standard 510 Author/change controller: 511 IETF (iesg@ietf.org) 512 Internet Engineering Task Force 514 Specification document(s): 515 RFC2616 [11] 517 2.1.14 Header field: C-Ext 519 Applicable protocol: http [11] 521 Status: experimental 523 Author/change controller: 524 Henrik Frystyk Nielsen (frystyk@microsoft.com) 525 Paul J. Leach (paulle@microsoft.com) 526 Scott Lawrence (lawrence@agranat.com) 528 Specification document(s): 529 RFC2774 [14] 531 2.1.15 Header field: C-Man 533 Applicable protocol: http [11] 535 Status: experimental 537 Author/change controller: 538 Henrik Frystyk Nielsen (frystyk@microsoft.com) 539 Paul J. Leach (paulle@microsoft.com) 540 Scott Lawrence (lawrence@agranat.com) 542 Specification document(s): 543 RFC2774 [14] 545 2.1.16 Header field: C-Opt 546 Applicable protocol: http [11] 548 Status: experimental 550 Author/change controller: 551 Henrik Frystyk Nielsen (frystyk@microsoft.com) 552 Paul J. Leach (paulle@microsoft.com) 553 Scott Lawrence (lawrence@agranat.com) 555 Specification document(s): 556 RFC2774 [14] 558 2.1.17 Header field: C-PEP 560 Applicable protocol: http [11] 562 Status: deprecated 564 Author/change controller: 565 Henrik Frystyk Nielsen (frystyk@w3.org) 566 World Wide Web Consortium, MIT Laboratory for Computer Science 567 Dan Connolly (connolly@w3.org) 568 World Wide Web Consortium, MIT Laboratory for Computer Science 569 Rohit Khare (khare@w3.org) 570 World Wide Web Consortium, MIT Laboratory for Computer Science 571 Eric Prud'hommeaux (eric@w3.org) 572 World Wide Web Consortium, MIT Laboratory for Computer Science 574 Specification document(s): 575 PEP [29] 577 2.1.18 Header field: C-PEP-Info 579 Applicable protocol: http [11] 581 Status: deprecated 583 Author/change controller: 584 Henrik Frystyk Nielsen (frystyk@w3.org) 585 World Wide Web Consortium, MIT Laboratory for Computer Science 586 Dan Connolly (connolly@w3.org) 587 World Wide Web Consortium, MIT Laboratory for Computer Science 588 Rohit Khare (khare@w3.org) 589 World Wide Web Consortium, MIT Laboratory for Computer Science 590 Eric Prud'hommeaux (eric@w3.org) 591 World Wide Web Consortium, MIT Laboratory for Computer Science 593 Specification document(s): 594 PEP [29] 596 2.1.19 Header field: Cache-Control 598 Applicable protocol: http [11] 600 Status: standard 602 Author/change controller: 603 IETF (iesg@ietf.org) 604 Internet Engineering Task Force 606 Specification document(s): 607 RFC2616 [11] 609 2.1.20 Header field: Connection 611 Applicable protocol: http [11] 613 Status: standard 615 Author/change controller: 616 IETF (iesg@ietf.org) 617 Internet Engineering Task Force 619 Specification document(s): 620 RFC2616 [11] 622 2.1.21 Header field: Content-Base 624 Applicable protocol: http [11] 626 Status: standard 628 Author/change controller: 629 IETF (iesg@ietf.org) 630 Internet Engineering Task Force 632 Specification document(s): 633 RFC2068 [4] 635 2.1.22 Header field: Content-Disposition 637 Applicable protocol: http [11] 639 Status: standard 641 Author/change controller: 642 IETF (iesg@ietf.org) 643 Internet Engineering Task Force 645 Specification document(s): 646 RFC2616 [11] 648 2.1.23 Header field: Content-Encoding 650 Applicable protocol: http [11] 652 Status: standard 654 Author/change controller: 655 IETF (iesg@ietf.org) 656 Internet Engineering Task Force 658 Specification document(s): 659 RFC2616 [11] 661 2.1.24 Header field: Content-ID 663 Applicable protocol: http [11] 665 Status: informational 667 Author/change controller: 668 Arthur van Hoff (avh@marimba.com) 669 Marimba Inc. 670 John Giannandrea (jg@netscape.com) 671 Netscape Inc. 672 Mark Hapner (mark.hapner@sun.com) 673 Sun Microsystems Inc. 674 Steve Carter (srcarter@novell.com) 675 Novell Inc. 676 Milo Medin (medin@home.net) 677 At Home Corp 679 Specification document(s): 680 DRP [20] 682 2.1.25 Header field: Content-Language 684 Applicable protocol: http [11] 686 Status: standard 688 Author/change controller: 689 IETF (iesg@ietf.org) 690 Internet Engineering Task Force 692 Specification document(s): 693 RFC2616 [11] 695 2.1.26 Header field: Content-Length 697 Applicable protocol: http [11] 699 Status: standard 701 Author/change controller: 702 IETF (iesg@ietf.org) 703 Internet Engineering Task Force 705 Specification document(s): 706 RFC2616 [11] 708 2.1.27 Header field: Content-Location 710 Applicable protocol: http [11] 712 Status: standard 714 Author/change controller: 715 IETF (iesg@ietf.org) 716 Internet Engineering Task Force 718 Specification document(s): 719 RFC2616 [11] 721 2.1.28 Header field: Content-MD5 723 Applicable protocol: http [11] 725 Status: standard 727 Author/change controller: 728 IETF (iesg@ietf.org) 729 Internet Engineering Task Force 731 Specification document(s): 732 RFC2616 [11] 734 2.1.29 Header field: Content-Range 736 Applicable protocol: http [11] 738 Status: standard 740 Author/change controller: 741 IETF (iesg@ietf.org) 742 Internet Engineering Task Force 744 Specification document(s): 745 RFC2616 [11] 747 2.1.30 Header field: Content-Script-Type 749 Applicable protocol: http [11] 751 Status: standard 753 Author/change controller: 754 W3C (web-human@w3.org) 755 World Wide Web Consortium 757 Specification document(s): 758 HTML 4 [21] 760 2.1.31 Header field: Content-Style-Type 761 Applicable protocol: http [11] 763 Status: standard 765 Author/change controller: 766 W3C (web-human@w3.org) 767 World Wide Web Consortium 769 Specification document(s): 770 HTML 4 [21] 772 2.1.32 Header field: Content-Type 774 Applicable protocol: http [11] 776 Status: standard 778 Author/change controller: 779 IETF (iesg@ietf.org) 780 Internet Engineering Task Force 782 Specification document(s): 783 RFC2616 [11] 785 2.1.33 Header field: Content-Version 787 Applicable protocol: http [11] 789 Status: standard 791 Author/change controller: 792 IETF (iesg@ietf.org) 793 Internet Engineering Task Force 795 Specification document(s): 796 RFC2068 [4] 798 2.1.34 Header field: Cookie 800 Applicable protocol: http [11] 802 Status: standard 803 Author/change controller: 804 IETF (iesg@ietf.org) 805 Internet Engineering Task Force 807 Specification document(s): 808 RFC2965 [15] 810 2.1.35 Header field: Cookie2 812 Applicable protocol: http [11] 814 Status: standard 816 Author/change controller: 817 IETF (iesg@ietf.org) 818 Internet Engineering Task Force 820 Specification document(s): 821 RFC2965 [15] 823 2.1.36 Header field: DAV 825 Applicable protocol: http [11] 827 Status: standard 829 Author/change controller: 830 IETF (iesg@ietf.org) 831 Internet Engineering Task Force 833 Specification document(s): 834 RFC2518 [10] 836 2.1.37 Header field: Date 838 Applicable protocol: http [11] 840 Status: standard 842 Author/change controller: 843 IETF (iesg@ietf.org) 844 Internet Engineering Task Force 846 Specification document(s): 847 RFC2616 [11] 849 2.1.38 Header field: Default-Style 851 Applicable protocol: http [11] 853 Status: standard 855 Author/change controller: 856 W3C (web-human@w3.org) 857 World Wide Web Consortium 859 Specification document(s): 860 HTML 4 [21] 862 2.1.39 Header field: Delta-Base 864 Applicable protocol: http [11] 866 Status: standard 868 Author/change controller: 869 IETF (iesg@ietf.org) 870 Internet Engineering Task Force 872 Specification document(s): 873 RFC3229 [16] 875 2.1.40 Header field: Depth 877 Applicable protocol: http [11] 879 Status: standard 881 Author/change controller: 882 IETF (iesg@ietf.org) 883 Internet Engineering Task Force 885 Specification document(s): 886 RFC2518 [10] 888 2.1.41 Header field: Derived-From 890 Applicable protocol: http [11] 892 Status: standard 894 Author/change controller: 895 IETF (iesg@ietf.org) 896 Internet Engineering Task Force 898 Specification document(s): 899 RFC2068 [4] 901 2.1.42 Header field: Destination 903 Applicable protocol: http [11] 905 Status: standard 907 Author/change controller: 908 IETF (iesg@ietf.org) 909 Internet Engineering Task Force 911 Specification document(s): 912 RFC2518 [10] 914 2.1.43 Header field: Differential-ID 916 Applicable protocol: http [11] 918 Status: informational 920 Author/change controller: 921 Arthur van Hoff (avh@marimba.com) 922 Marimba Inc. 923 John Giannandrea (jg@netscape.com) 924 Netscape Inc. 925 Mark Hapner (mark.hapner@sun.com) 926 Sun Microsystems Inc. 927 Steve Carter (srcarter@novell.com) 928 Novell Inc. 929 Milo Medin (medin@home.net) 930 At Home Corp 932 Specification document(s): 933 DRP [20] 935 2.1.44 Header field: Digest 937 Applicable protocol: http [11] 939 Status: standard 941 Author/change controller: 942 IETF (iesg@ietf.org) 943 Internet Engineering Task Force 945 Specification document(s): 946 RFC3230 [17] 948 2.1.45 Header field: ETag 950 Applicable protocol: http [11] 952 Status: standard 954 Author/change controller: 955 IETF (iesg@ietf.org) 956 Internet Engineering Task Force 958 Specification document(s): 959 RFC2616 [11] 961 2.1.46 Header field: Expect 963 Applicable protocol: http [11] 965 Status: standard 967 Author/change controller: 968 IETF (iesg@ietf.org) 969 Internet Engineering Task Force 971 Specification document(s): 972 RFC2616 [11] 974 2.1.47 Header field: Expires 976 Applicable protocol: http [11] 978 Status: standard 980 Author/change controller: 981 IETF (iesg@ietf.org) 982 Internet Engineering Task Force 984 Specification document(s): 985 RFC2616 [11] 987 2.1.48 Header field: Ext 989 Applicable protocol: http [11] 991 Status: experimental 993 Author/change controller: 994 Henrik Frystyk Nielsen (frystyk@microsoft.com) 995 Paul J. Leach (paulle@microsoft.com) 996 Scott Lawrence (lawrence@agranat.com) 998 Specification document(s): 999 RFC2774 [14] 1001 2.1.49 Header field: From 1003 Applicable protocol: http [11] 1005 Status: standard 1007 Author/change controller: 1008 IETF (iesg@ietf.org) 1009 Internet Engineering Task Force 1011 Specification document(s): 1012 RFC2616 [11] 1014 2.1.50 Header field: GetProfile 1015 Applicable protocol: http [11] 1017 Status: informational 1019 Author/change controller: 1020 Pat Hensley (hensley@firefly.net) 1021 FireFly Network, Inc. 1022 Max Metral (max@firefly.net) 1023 FireFly Network, Inc. 1024 Upendra Shardanand (shard@firefly.net) 1025 FireFly Network, Inc. 1026 Donna Converse (converse@netscape.com) 1027 Netscape Communications 1028 Mike Myers (mmyers@verisign.com) 1029 Verisign, Inc. 1031 Specification document(s): 1032 OPS over HTTP [22] 1034 2.1.51 Header field: Host 1036 Applicable protocol: http [11] 1038 Status: standard 1040 Author/change controller: 1041 IETF (iesg@ietf.org) 1042 Internet Engineering Task Force 1044 Specification document(s): 1045 RFC2616 [11] 1047 2.1.52 Header field: IM 1049 Applicable protocol: http [11] 1051 Status: standard 1053 Author/change controller: 1054 IETF (iesg@ietf.org) 1055 Internet Engineering Task Force 1057 Specification document(s): 1058 RFC3229 [16] 1060 2.1.53 Header field: If 1062 Applicable protocol: http [11] 1064 Status: standard 1066 Author/change controller: 1067 IETF (iesg@ietf.org) 1068 Internet Engineering Task Force 1070 Specification document(s): 1071 RFC2518 [10] 1073 2.1.54 Header field: If-Match 1075 Applicable protocol: http [11] 1077 Status: standard 1079 Author/change controller: 1080 IETF (iesg@ietf.org) 1081 Internet Engineering Task Force 1083 Specification document(s): 1084 RFC2616 [11] 1086 2.1.55 Header field: If-Modified-Since 1088 Applicable protocol: http [11] 1090 Status: standard 1092 Author/change controller: 1093 IETF (iesg@ietf.org) 1094 Internet Engineering Task Force 1096 Specification document(s): 1097 RFC2616 [11] 1099 2.1.56 Header field: If-None-Match 1100 Applicable protocol: http [11] 1102 Status: standard 1104 Author/change controller: 1105 IETF (iesg@ietf.org) 1106 Internet Engineering Task Force 1108 Specification document(s): 1109 RFC2616 [11] 1111 2.1.57 Header field: If-Range 1113 Applicable protocol: http [11] 1115 Status: standard 1117 Author/change controller: 1118 IETF (iesg@ietf.org) 1119 Internet Engineering Task Force 1121 Specification document(s): 1122 RFC2616 [11] 1124 2.1.58 Header field: If-Unmodified-Since 1126 Applicable protocol: http [11] 1128 Status: standard 1130 Author/change controller: 1131 IETF (iesg@ietf.org) 1132 Internet Engineering Task Force 1134 Specification document(s): 1135 RFC2616 [11] 1137 2.1.59 Header field: Keep-Alive 1139 Applicable protocol: http [11] 1141 Status: standard 1142 Author/change controller: 1143 IETF (iesg@ietf.org) 1144 Internet Engineering Task Force 1146 Specification document(s): 1147 RFC2068 [4] 1149 2.1.60 Header field: Label 1151 Applicable protocol: http [11] 1153 Status: standard 1155 Author/change controller: 1156 IETF (iesg@ietf.org) 1157 Internet Engineering Task Force 1159 Specification document(s): 1160 RFC3253 [18] 1162 2.1.61 Header field: Last-Modified 1164 Applicable protocol: http [11] 1166 Status: standard 1168 Author/change controller: 1169 IETF (iesg@ietf.org) 1170 Internet Engineering Task Force 1172 Specification document(s): 1173 RFC2616 [11] 1175 2.1.62 Header field: Link 1177 Applicable protocol: http [11] 1179 Status: standard 1181 Author/change controller: 1182 IETF (iesg@ietf.org) 1183 Internet Engineering Task Force 1185 Specification document(s): 1186 RFC2068 [4] 1188 2.1.63 Header field: Location 1190 Applicable protocol: http [11] 1192 Status: standard 1194 Author/change controller: 1195 IETF (iesg@ietf.org) 1196 Internet Engineering Task Force 1198 Specification document(s): 1199 RFC2616 [11] 1201 2.1.64 Header field: Lock-Token 1203 Applicable protocol: http [11] 1205 Status: standard 1207 Author/change controller: 1208 IETF (iesg@ietf.org) 1209 Internet Engineering Task Force 1211 Specification document(s): 1212 RFC2518 [10] 1214 2.1.65 Header field: MIME-Version 1216 Applicable protocol: http [11] 1218 Status: standard 1220 Author/change controller: 1221 IETF (iesg@ietf.org) 1222 Internet Engineering Task Force 1224 Specification document(s): 1225 RFC2616 [11] 1227 2.1.66 Header field: Man 1229 Applicable protocol: http [11] 1231 Status: experimental 1233 Author/change controller: 1234 Henrik Frystyk Nielsen (frystyk@microsoft.com) 1235 Paul J. Leach (paulle@microsoft.com) 1236 Scott Lawrence (lawrence@agranat.com) 1238 Specification document(s): 1239 RFC2774 [14] 1241 2.1.67 Header field: Max-Forwards 1243 Applicable protocol: http [11] 1245 Status: standard 1247 Author/change controller: 1248 IETF (iesg@ietf.org) 1249 Internet Engineering Task Force 1251 Specification document(s): 1252 RFC2616 [11] 1254 2.1.68 Header field: Meter 1256 Applicable protocol: http [11] 1258 Status: standard 1260 Author/change controller: 1261 IETF (iesg@ietf.org) 1262 Internet Engineering Task Force 1264 Specification document(s): 1265 RFC2227 [6] 1267 2.1.69 Header field: Negotiate 1268 Applicable protocol: http [11] 1270 Status: experimental 1272 Author/change controller: 1273 Andrew H. Mutz (mutz@hpl.hp.com) 1274 Koen Holtman (koen@win.tue.nl) 1276 Specification document(s): 1277 RFC2295 [7] 1279 2.1.70 Header field: Opt 1281 Applicable protocol: http [11] 1283 Status: experimental 1285 Author/change controller: 1286 Henrik Frystyk Nielsen (frystyk@microsoft.com) 1287 Paul J. Leach (paulle@microsoft.com) 1288 Scott Lawrence (lawrence@agranat.com) 1290 Specification document(s): 1291 RFC2774 [14] 1293 2.1.71 Header field: Overwrite 1295 Applicable protocol: http [11] 1297 Status: standard 1299 Author/change controller: 1300 IETF (iesg@ietf.org) 1301 Internet Engineering Task Force 1303 Specification document(s): 1304 RFC2518 [10] 1306 2.1.72 Header field: P3P 1308 Applicable protocol: http [11] 1309 Status: standard 1311 Author/change controller: 1312 W3C (web-human@w3.org) 1313 World Wide Web Consortium 1315 Specification document(s): 1316 P3P [23] 1318 2.1.73 Header field: PEP 1320 Applicable protocol: http [11] 1322 Status: deprecated 1324 Author/change controller: 1325 Henrik Frystyk Nielsen (frystyk@w3.org) 1326 World Wide Web Consortium, MIT Laboratory for Computer Science 1327 Dan Connolly (connolly@w3.org) 1328 World Wide Web Consortium, MIT Laboratory for Computer Science 1329 Rohit Khare (khare@w3.org) 1330 World Wide Web Consortium, MIT Laboratory for Computer Science 1331 Eric Prud'hommeaux (eric@w3.org) 1332 World Wide Web Consortium, MIT Laboratory for Computer Science 1334 Specification document(s): 1335 PEP [29] 1337 2.1.74 Header field: PICS-Label 1339 Applicable protocol: http [11] 1341 Status: standard 1343 Author/change controller: 1344 W3C (web-human@w3.org) 1345 World Wide Web Consortium 1347 Specification document(s): 1348 PICSLabels [24] 1350 2.1.75 Header field: Pep-Info 1351 Applicable protocol: http [11] 1353 Status: deprecated 1355 Author/change controller: 1356 Henrik Frystyk Nielsen (frystyk@w3.org) 1357 World Wide Web Consortium, MIT Laboratory for Computer Science 1358 Dan Connolly (connolly@w3.org) 1359 World Wide Web Consortium, MIT Laboratory for Computer Science 1360 Rohit Khare (khare@w3.org) 1361 World Wide Web Consortium, MIT Laboratory for Computer Science 1362 Eric Prud'hommeaux (eric@w3.org) 1363 World Wide Web Consortium, MIT Laboratory for Computer Science 1365 Specification document(s): 1366 PEP [29] 1368 2.1.76 Header field: Pragma 1370 Applicable protocol: http [11] 1372 Status: standard 1374 Author/change controller: 1375 IETF (iesg@ietf.org) 1376 Internet Engineering Task Force 1378 Specification document(s): 1379 RFC2616 [11] 1381 2.1.77 Header field: ProfileObject 1383 Applicable protocol: http [11] 1385 Status: informational 1387 Author/change controller: 1388 Pat Hensley (hensley@firefly.net) 1389 FireFly Network, Inc. 1390 Max Metral (max@firefly.net) 1391 FireFly Network, Inc. 1392 Upendra Shardanand (shard@firefly.net) 1393 FireFly Network, Inc. 1394 Donna Converse (converse@netscape.com) 1395 Netscape Communications 1396 Mike Myers (mmyers@verisign.com) 1397 Verisign, Inc. 1399 Specification document(s): 1400 OPS over HTTP [22] 1402 2.1.78 Header field: Protocol 1404 Applicable protocol: http [11] 1406 Status: standard 1408 Author/change controller: 1409 W3C (web-human@w3.org) 1410 World Wide Web Consortium 1412 Specification document(s): 1413 PICSLabels [24] 1415 2.1.79 Header field: Protocol-Info 1417 Applicable protocol: http [11] 1419 Status: deprecated 1421 Author/change controller: 1422 Don Eastlake (dee@cybercash.com) 1423 Rohit Khare (khare@w3.org) 1424 Jim Miller (jmiller@w3.org) 1426 Specification document(s): 1427 Selecting Payment Mechanisms [26] 1429 2.1.80 Header field: Protocol-Query 1431 Applicable protocol: http [11] 1433 Status: deprecated 1435 Author/change controller: 1436 Don Eastlake (dee@cybercash.com) 1437 Rohit Khare (khare@w3.org) 1438 Jim Miller (jmiller@w3.org) 1440 Specification document(s): 1441 Selecting Payment Mechanisms [26] 1443 2.1.81 Header field: Protocol-Request 1445 Applicable protocol: http [11] 1447 Status: standard 1449 Author/change controller: 1450 W3C (web-human@w3.org) 1451 World Wide Web Consortium 1453 Specification document(s): 1454 PICSLabels [24] 1456 2.1.82 Header field: Proxy-Authenticate 1458 Applicable protocol: http [11] 1460 Status: standard 1462 Author/change controller: 1463 IETF (iesg@ietf.org) 1464 Internet Engineering Task Force 1466 Specification document(s): 1467 RFC2616 [11] 1469 2.1.83 Header field: Proxy-Authentication-Info 1471 Applicable protocol: http [11] 1473 Status: standard 1475 Author/change controller: 1476 IETF (iesg@ietf.org) 1477 Internet Engineering Task Force 1479 Specification document(s): 1480 RFC2617 [12] 1482 2.1.84 Header field: Proxy-Authorization 1484 Applicable protocol: http [11] 1486 Status: standard 1488 Author/change controller: 1489 IETF (iesg@ietf.org) 1490 Internet Engineering Task Force 1492 Specification document(s): 1493 RFC2616 [11] 1495 2.1.85 Header field: Proxy-Features 1497 Applicable protocol: http [11] 1499 Status: informational 1501 Author/change controller: 1502 Phillip M. Hallam-Baker (hallam@w3.org) 1503 W3C 1505 Specification document(s): 1506 Proxy Notification [27] 1508 2.1.86 Header field: Proxy-Instruction 1510 Applicable protocol: http [11] 1512 Status: informational 1514 Author/change controller: 1515 Phillip M. Hallam-Baker (hallam@w3.org) 1516 W3C 1518 Specification document(s): 1519 Proxy Notification [27] 1521 2.1.87 Header field: Public 1522 Applicable protocol: http [11] 1524 Status: standard 1526 Author/change controller: 1527 IETF (iesg@ietf.org) 1528 Internet Engineering Task Force 1530 Specification document(s): 1531 RFC2068 [4] 1533 2.1.88 Header field: Range 1535 Applicable protocol: http [11] 1537 Status: standard 1539 Author/change controller: 1540 IETF (iesg@ietf.org) 1541 Internet Engineering Task Force 1543 Specification document(s): 1544 RFC2616 [11] 1546 2.1.89 Header field: Referer 1548 Applicable protocol: http [11] 1550 Status: standard 1552 Author/change controller: 1553 IETF (iesg@ietf.org) 1554 Internet Engineering Task Force 1556 Specification document(s): 1557 RFC2616 [11] 1559 2.1.90 Header field: Retry-After 1561 Applicable protocol: http [11] 1563 Status: standard 1564 Author/change controller: 1565 IETF (iesg@ietf.org) 1566 Internet Engineering Task Force 1568 Specification document(s): 1569 RFC2616 [11] 1571 2.1.91 Header field: Safe 1573 Applicable protocol: http [11] 1575 Status: experimental 1577 Author/change controller: 1578 Koen Holtman (koen@win.tue.nl) 1580 Specification document(s): 1581 RFC2310 [8] 1583 2.1.92 Header field: Security-Scheme 1585 Applicable protocol: http [11] 1587 Status: experimental 1589 Author/change controller: 1590 Eric Rescorla (ekr@rtfm.com) 1591 A. Schiffman (ams@terisa.com) 1593 Specification document(s): 1594 RFC2660 [13] 1596 2.1.93 Header field: Server 1598 Applicable protocol: http [11] 1600 Status: standard 1602 Author/change controller: 1603 IETF (iesg@ietf.org) 1604 Internet Engineering Task Force 1606 Specification document(s): 1607 RFC2616 [11] 1609 2.1.94 Header field: Set-Cookie 1611 Applicable protocol: http [11] 1613 Status: standard 1615 Author/change controller: 1616 IETF (iesg@ietf.org) 1617 Internet Engineering Task Force 1619 Specification document(s): 1620 RFC2109 [5] 1622 2.1.95 Header field: Set-Cookie2 1624 Applicable protocol: http [11] 1626 Status: standard 1628 Author/change controller: 1629 IETF (iesg@ietf.org) 1630 Internet Engineering Task Force 1632 Specification document(s): 1633 RFC2965 [15] 1635 2.1.96 Header field: SetProfile 1637 Applicable protocol: http [11] 1639 Status: informational 1641 Author/change controller: 1642 Pat Hensley (hensley@firefly.net) 1643 FireFly Network, Inc. 1644 Max Metral (max@firefly.net) 1645 FireFly Network, Inc. 1646 Upendra Shardanand (shard@firefly.net) 1647 FireFly Network, Inc. 1648 Donna Converse (converse@netscape.com) 1649 Netscape Communications 1650 Mike Myers (mmyers@verisign.com) 1651 Verisign, Inc. 1653 Specification document(s): 1654 OPS over HTTP [22] 1656 2.1.97 Header field: SoapAction 1658 Applicable protocol: http [11] 1660 Status: informational 1662 Author/change controller: 1663 Don Box (dbox@develop.com) 1664 DevelopMentor 1665 David Ehnebuske (davide@us.ibm.com) 1666 IBM 1667 Gopal Kakivaya (gopalk@microsoft.com) 1668 Microsoft 1669 Andrew Layman (andrewl@microsoft.com) 1670 Microsoft 1671 Noah Mendelsohn (Noah_Mendelsohn@lotus.com) 1672 Lotus Development Corp. 1673 Hernik Frystyk Nielsen (frystyk@microsoft.com) 1674 Microsoft 1675 Satish Thatte (satisht@microsoft.com) 1676 Microsoft 1677 Dave Winer (dave@userland.com) 1678 UserLand Software, Inc. 1680 Specification document(s): 1681 SOAP [28] 1683 2.1.98 Header field: Status-URI 1685 Applicable protocol: http [11] 1687 Status: standard 1689 Author/change controller: 1690 IETF (iesg@ietf.org) 1691 Internet Engineering Task Force 1693 Specification document(s): 1694 RFC2518 [10] 1696 2.1.99 Header field: Surrogate-Capability 1698 Applicable protocol: http [11] 1700 Status: informational 1702 Author/change controller: 1703 Mark Nottingham (mnot@akamai.com) 1704 Akamai 1705 Xiang Liu (xiang.liu@oracle.com) 1706 Oracle 1708 Specification document(s): 1709 edge-arch [25] 1711 2.1.100 Header field: Surrogate-Control 1713 Applicable protocol: http [11] 1715 Status: informational 1717 Author/change controller: 1718 Mark Nottingham (mnot@akamai.com) 1719 Akamai 1720 Xiang Liu (xiang.liu@oracle.com) 1721 Oracle 1723 Specification document(s): 1724 edge-arch [25] 1726 2.1.101 Header field: TCN 1728 Applicable protocol: http [11] 1730 Status: experimental 1732 Author/change controller: 1733 Andrew H. Mutz (mutz@hpl.hp.com) 1734 Koen Holtman (koen@win.tue.nl) 1736 Specification document(s): 1737 RFC2295 [7] 1739 2.1.102 Header field: TE 1741 Applicable protocol: http [11] 1743 Status: standard 1745 Author/change controller: 1746 IETF (iesg@ietf.org) 1747 Internet Engineering Task Force 1749 Specification document(s): 1750 RFC2616 [11] 1752 2.1.103 Header field: Timeout 1754 Applicable protocol: http [11] 1756 Status: standard 1758 Author/change controller: 1759 IETF (iesg@ietf.org) 1760 Internet Engineering Task Force 1762 Specification document(s): 1763 RFC2518 [10] 1765 2.1.104 Header field: Trailer 1767 Applicable protocol: http [11] 1769 Status: standard 1771 Author/change controller: 1772 IETF (iesg@ietf.org) 1773 Internet Engineering Task Force 1775 Specification document(s): 1776 RFC2616 [11] 1778 2.1.105 Header field: Transfer-Encoding 1779 Applicable protocol: http [11] 1781 Status: standard 1783 Author/change controller: 1784 IETF (iesg@ietf.org) 1785 Internet Engineering Task Force 1787 Specification document(s): 1788 RFC2616 [11] 1790 2.1.106 Header field: URI 1792 Applicable protocol: http [11] 1794 Status: standard 1796 Author/change controller: 1797 IETF (iesg@ietf.org) 1798 Internet Engineering Task Force 1800 Specification document(s): 1801 RFC2068 [4] 1803 2.1.107 Header field: Upgrade 1805 Applicable protocol: http [11] 1807 Status: standard 1809 Author/change controller: 1810 IETF (iesg@ietf.org) 1811 Internet Engineering Task Force 1813 Specification document(s): 1814 RFC2616 [11] 1816 2.1.108 Header field: User-Agent 1818 Applicable protocol: http [11] 1820 Status: standard 1821 Author/change controller: 1822 IETF (iesg@ietf.org) 1823 Internet Engineering Task Force 1825 Specification document(s): 1826 RFC2616 [11] 1828 2.1.109 Header field: Variant-Vary 1830 Applicable protocol: http [11] 1832 Status: experimental 1834 Author/change controller: 1835 Andrew H. Mutz (mutz@hpl.hp.com) 1836 Koen Holtman (koen@win.tue.nl) 1838 Specification document(s): 1839 RFC2295 [7] 1841 2.1.110 Header field: Vary 1843 Applicable protocol: http [11] 1845 Status: standard 1847 Author/change controller: 1848 IETF (iesg@ietf.org) 1849 Internet Engineering Task Force 1851 Specification document(s): 1852 RFC2616 [11] 1854 2.1.111 Header field: Via 1856 Applicable protocol: http [11] 1858 Status: standard 1860 Author/change controller: 1861 IETF (iesg@ietf.org) 1862 Internet Engineering Task Force 1864 Specification document(s): 1865 RFC2616 [11] 1867 2.1.112 Header field: WWW-Authenticate 1869 Applicable protocol: http [11] 1871 Status: standard 1873 Author/change controller: 1874 IETF (iesg@ietf.org) 1875 Internet Engineering Task Force 1877 Specification document(s): 1878 RFC2616 [11] 1880 2.1.113 Header field: Want-Digest 1882 Applicable protocol: http [11] 1884 Status: standard 1886 Author/change controller: 1887 IETF (iesg@ietf.org) 1888 Internet Engineering Task Force 1890 Specification document(s): 1891 RFC3230 [17] 1893 2.1.114 Header field: Warning 1895 Applicable protocol: http [11] 1897 Status: standard 1899 Author/change controller: 1900 IETF (iesg@ietf.org) 1901 Internet Engineering Task Force 1903 Specification document(s): 1904 RFC2616 [11] 1906 2.2 Provisional HTTP header field submissions 1908 Header name Protocol 1909 ----------- -------- 1910 Compliance http 1911 Content-Transfer-Encoding 1912 http 1913 Cost http 1914 Message-ID http 1915 Non-Compliance http 1916 Optional http 1917 Resolution-Hint http 1918 Resolver-Location http 1919 SubOK http 1920 Subst http 1921 Title http 1922 UA-Color http 1923 UA-Media http 1924 UA-Pixels http 1925 UA-Resolution http 1926 UA-Windowpixels http 1927 Version http 1929 Figure 2 1931 2.2.1 Header field: Compliance 1933 Applicable protocol: http [11] 1935 Status: provisional 1937 Author/change controller: 1938 Jeffrey C. Mogul (mogul@wrl.dec.com) 1939 Western Research Laboratory, Digital Equipment Corporation 1940 Josh Cohen (josh@netscape.com) 1941 Netscape Communications Corporation 1942 Scott Lawrence (lawrence@agranat.com) 1943 Agranat Systems, Inc. 1945 Specification document(s): 1946 OPTIONS messages [34] 1948 2.2.2 Header field: Content-Transfer-Encoding 1949 Applicable protocol: http [11] 1951 Status: provisional 1953 Author/change controller: 1954 Tim Berners-Lee (timbl@w3.org) 1955 MIT Laboratory for Computer Science 1957 Specification document(s): 1958 Object Headers [30] 1960 2.2.3 Header field: Cost 1962 Applicable protocol: http [11] 1964 Status: provisional 1966 Author/change controller: 1967 Tim Berners-Lee (timbl@w3.org) 1968 MIT Laboratory for Computer Science 1970 Specification document(s): 1971 Object Headers [30] 1973 2.2.4 Header field: Message-ID 1975 Applicable protocol: http [11] 1977 Status: provisional 1979 Author/change controller: 1980 Tim Berners-Lee (timbl@w3.org) 1981 MIT Laboratory for Computer Science 1983 Specification document(s): 1984 Object Headers [30] 1986 2.2.5 Header field: Non-Compliance 1988 Applicable protocol: http [11] 1990 Status: provisional 1991 Author/change controller: 1992 Jeffrey C. Mogul (mogul@wrl.dec.com) 1993 Western Research Laboratory, Digital Equipment Corporation 1994 Josh Cohen (josh@netscape.com) 1995 Netscape Communications Corporation 1996 Scott Lawrence (lawrence@agranat.com) 1997 Agranat Systems, Inc. 1999 Specification document(s): 2000 OPTIONS messages [34] 2002 2.2.6 Header field: Optional 2004 Applicable protocol: http [11] 2006 Status: provisional 2008 Author/change controller: 2009 John Mallery (jcma@ai.mit.edu) 2010 MIT Artificial Intelligence Laboratory 2011 Lewis Girod (girod@lcs.mit.edu) 2012 MIT Laboratory for Computer Science 2013 Benjie Chen (benjie@lcs.mit.edu) 2014 MIT Laboratory for Computer Science 2015 Henrik Frystyk Nielsen (frystyk@w3.org) 2016 World Wide Web Consortium 2018 Specification document(s): 2019 WIRE [32] 2021 2.2.7 Header field: Resolution-Hint 2023 Applicable protocol: http [11] 2025 Status: provisional 2027 Author/change controller: 2028 John Mallery (jcma@ai.mit.edu) 2029 MIT Artificial Intelligence Laboratory 2030 Lewis Girod (girod@lcs.mit.edu) 2031 MIT Laboratory for Computer Science 2032 Benjie Chen (benjie@lcs.mit.edu) 2033 MIT Laboratory for Computer Science 2034 Henrik Frystyk Nielsen (frystyk@w3.org) 2035 World Wide Web Consortium 2037 Specification document(s): 2038 WIRE [32] 2040 2.2.8 Header field: Resolver-Location 2042 Applicable protocol: http [11] 2044 Status: provisional 2046 Author/change controller: 2047 John Mallery (jcma@ai.mit.edu) 2048 MIT Artificial Intelligence Laboratory 2049 Lewis Girod (girod@lcs.mit.edu) 2050 MIT Laboratory for Computer Science 2051 Benjie Chen (benjie@lcs.mit.edu) 2052 MIT Laboratory for Computer Science 2053 Henrik Frystyk Nielsen (frystyk@w3.org) 2054 World Wide Web Consortium 2056 Specification document(s): 2057 WIRE [32] 2059 2.2.9 Header field: SubOK 2061 Applicable protocol: http [11] 2063 Status: provisional 2065 Author/change controller: 2066 Jeffrey C. Mogul (mogul@wrl.dec.com) 2067 Western Research Laboratory, Digital Equipment Corporation 2068 Arthur van Hoff (avh@marimba.com) 2069 Marimba, Inc. 2071 Specification document(s): 2072 Duplicate Suppression [33] 2074 2.2.10 Header field: Subst 2076 Applicable protocol: http [11] 2078 Status: provisional 2079 Author/change controller: 2080 Jeffrey C. Mogul (mogul@wrl.dec.com) 2081 Western Research Laboratory, Digital Equipment Corporation 2082 Arthur van Hoff (avh@marimba.com) 2083 Marimba, Inc. 2085 Specification document(s): 2086 Duplicate Suppression [33] 2088 2.2.11 Header field: Title 2090 Applicable protocol: http [11] 2092 Status: provisional 2094 Author/change controller: 2095 Tim Berners-Lee (timbl@w3.org) 2096 MIT Laboratory for Computer Science 2098 Specification document(s): 2099 Object Headers [30] 2101 2.2.12 Header field: UA-Color 2103 Applicable protocol: http [11] 2105 Status: provisional 2107 Author/change controller: 2108 Larry Masinter (LMM@acm.org) 2109 Adobe Systems 2110 Lou Montulli (montulli@netscape.com) 2111 Netscape Communications Corp. 2112 Andrew H. Mutz (mutz@hpl.hp.com) 2113 Hewlett-Packard Company 2115 Specification document(s): 2116 UA Attributes [31] 2118 2.2.13 Header field: UA-Media 2119 Applicable protocol: http [11] 2121 Status: provisional 2123 Author/change controller: 2124 Larry Masinter (LMM@acm.org) 2125 Adobe Systems 2126 Lou Montulli (montulli@netscape.com) 2127 Netscape Communications Corp. 2128 Andrew H. Mutz (mutz@hpl.hp.com) 2129 Hewlett-Packard Company 2131 Specification document(s): 2132 UA Attributes [31] 2134 2.2.14 Header field: UA-Pixels 2136 Applicable protocol: http [11] 2138 Status: provisional 2140 Author/change controller: 2141 Larry Masinter (LMM@acm.org) 2142 Adobe Systems 2143 Lou Montulli (montulli@netscape.com) 2144 Netscape Communications Corp. 2145 Andrew H. Mutz (mutz@hpl.hp.com) 2146 Hewlett-Packard Company 2148 Specification document(s): 2149 UA Attributes [31] 2151 2.2.15 Header field: UA-Resolution 2153 Applicable protocol: http [11] 2155 Status: provisional 2157 Author/change controller: 2158 Larry Masinter (LMM@acm.org) 2159 Adobe Systems 2160 Lou Montulli (montulli@netscape.com) 2161 Netscape Communications Corp. 2162 Andrew H. Mutz (mutz@hpl.hp.com) 2163 Hewlett-Packard Company 2165 Specification document(s): 2166 UA Attributes [31] 2168 2.2.16 Header field: UA-Windowpixels 2170 Applicable protocol: http [11] 2172 Status: provisional 2174 Author/change controller: 2175 Larry Masinter (LMM@acm.org) 2176 Adobe Systems 2177 Lou Montulli (montulli@netscape.com) 2178 Netscape Communications Corp. 2179 Andrew H. Mutz (mutz@hpl.hp.com) 2180 Hewlett-Packard Company 2182 Specification document(s): 2183 UA Attributes [31] 2185 2.2.17 Header field: Version 2187 Applicable protocol: http [11] 2189 Status: provisional 2191 Author/change controller: 2192 Tim Berners-Lee (timbl@w3.org) 2193 MIT Laboratory for Computer Science 2195 Specification document(s): 2196 Object Headers [30] 2198 3. IANA considerations 2200 This specification provides initial registrations of HTTP header 2201 fields in the "Permanent Message Header Field Registry", defined by 2202 Registration Procedures for Message Header Fields [1]. 2204 It also provides initial submissions of HTTP header fields in the 2205 "Provisional Message Header Field Repository", defined by the same 2206 document. 2208 4. Security considerations 2210 No security considerations are introduced by this document beyond 2211 those already inherent in use of the HTTP header fields referenced. 2213 5. Acknowledgements 2215 The authors would like to thank Graham Klyne for his work in defining 2216 the message header registries, his input and help in preparing this 2217 document, and the registry generation software. 2219 6. References 2221 6.1 Normative references 2223 [1] Klyne, G., Nottingham, M., and J. Mogul, "Registration 2224 Procedures for Message Header Fields", BCP 90, RFC 3864, 2225 September 2004. 2227 [2] Bradner, S., "Key words for use in RFCs to Indicate Requirement 2228 Levels", BCP 14, RFC 2119, March 1997. 2230 [3] Berners-Lee, T., Fielding, R., and H. Nielsen, "Hypertext 2231 Transfer Protocol -- HTTP/1.0", RFC 1945, May 1996. 2233 [4] Fielding, R., Gettys, J., Mogul, J., Nielsen, H., and T. 2234 Berners-Lee, "Hypertext Transfer Protocol -- HTTP/1.1", 2235 RFC 2068, January 1997. 2237 [5] Kristol, D. and L. Montulli, "HTTP State Management Mechanism", 2238 RFC 2109, February 1997. 2240 [6] Mogul, J. and P. Leach, "Simple Hit-Metering and Usage-Limiting 2241 for HTTP", RFC 2227, October 1997. 2243 [7] Holtman, K. and A. Mutz, "Transparent Content Negotiation in 2244 HTTP", RFC 2295, March 1998. 2246 [8] Holtman, K., "The Safe Response Header Field", RFC 2310, 2247 April 1998. 2249 [9] Masinter, L., "Hyper Text Coffee Pot Control Protocol 2250 (HTCPCP/1.0)", RFC 2324, April 1998. 2252 [10] Goland, Y., Whitehead, E., Faizi, A., Carter, S., and D. 2253 Jensen, "HTTP Extensions for Distributed Authoring -- WEBDAV", 2254 RFC 2518, February 1999. 2256 [11] Fielding, R., Gettys, J., Mogul, J., Frystyk, H., Masinter, L., 2257 Leach, P., and T. Berners-Lee, "Hypertext Transfer Protocol -- 2258 HTTP/1.1", RFC 2616, June 1999. 2260 [12] Franks, J., Hallam-Baker, P., Hostetler, J., Lawrence, S., 2261 Leach, P., Luotonen, A., and L. Stewart, "HTTP Authentication: 2262 Basic and Digest Access Authentication", RFC 2617, June 1999. 2264 [13] Rescorla, E. and A. Schiffman, "The Secure HyperText Transfer 2265 Protocol", RFC 2660, August 1999. 2267 [14] Nielsen, H., Leach, P., and S. Lawrence, "An HTTP Extension 2268 Framework", RFC 2774, February 2000. 2270 [15] Kristol, D. and L. Montulli, "HTTP State Management Mechanism", 2271 RFC 2965, October 2000. 2273 [16] Mogul, J., Krishnamurthy, B., Douglis, F., Feldmann, A., 2274 Goland, Y., van Hoff, A., and D. Hellerstein, "Delta encoding 2275 in HTTP", RFC 3229, January 2002. 2277 [17] Mogul, J. and A. Van Hoff, "Instance Digests in HTTP", 2278 RFC 3230, January 2002. 2280 [18] Clemm, G., Amsden, J., Ellison, T., Kaler, C., and J. 2281 Whitehead, "Versioning Extensions to WebDAV (Web Distributed 2282 Authoring and Versioning)", RFC 3253, March 2002. 2284 [19] Whitehead, J. and J. Reschke, Ed., "Web Distributed Authoring 2285 and Versioning (WebDAV) Ordered Collections Protocol", 2286 RFC 3648, December 2003. 2288 [20] Hoff, A., Payne, J., Hapner, M., Carter, S., and M. Medin, "The 2289 HTTP Distribution and Replication Protocol", W3C NOTE NOTE-drp- 2290 19970825, August 1997. 2292 [21] Raggett, D., Hors, A., and I. Jacobs, "HTML 4.01 2293 Specification", W3C REC REC-html401-19991224, December 1999. 2295 [22] Hensley, P., Metral, M., Shardanand, U., Converse, D., and M. 2296 Myers, "Implementation of OPS Over HTTP", W3C NOTE NOTE-OPS- 2297 OverHTTP, June 1997. 2299 [23] Marchiori, M., "The Platform for Privacy Preferences 1.0 2300 (P3P1.0) Specification", W3C REC REC-P3P-20020416, April 2002. 2302 [24] Krauskopf, T., Miller, J., Resnick, P., and W. Treese, "PICS 2303 1.1 Label Distribution -- Label Syntax and Communication 2304 Protocols", W3C REC REC-PICS-labels-961031, October 1996. 2306 [25] Nottingham, M. and X. Liu, "Edge Architecture Specification", 2307 W3C NOTE NOTE-edge-arch-20010804, August 2001. 2309 [26] Chung, E. and D. Dardailler, "White Paper: Joint Electronic 2310 Payment Initiative", W3C NOTE NOTE-jepi-970519, May 1997. 2312 [27] Hallam-Baker, P., "Notification for Proxy Caches", W3C NOTE WD- 2313 proxy-960221, February 1996. 2315 [28] Box, D., Ehnebuske, D., Kakivaya, G., Layman, A., Mendelsohn, 2316 N., Nielsen, H., Thatte, S., and D. Winer, "Simple Object 2317 Access Protocol (SOAP) 1.1", W3C NOTE NOTE-SOAP-20000508, 2318 May 2000. 2320 [29] Connolly, D., Prod'hommeaux, E., Nielsen, H., and R. Khare, 2321 "PEP Specification: an Extension Mechanism for HTTP", Nov 1998, 2322 . 2324 6.2 Informative references 2326 [30] Berners-Lee, T., "Object Header lines in HTTP", May 1994, 2327 . 2329 [31] Masinter, L., Montulli, L., and A. Mutz, "User-Agent Display 2330 Attributes Headers", Jun 1996, . 2333 [32] Girod, L., Chen, B., Henrik, H., and J. Mallery, "WIRE - W3 2334 Identifier Resolution Extensions", . 2337 [33] Mogul, J. and A. van Hoff, "Duplicate Suppression in HTTP", 2338 April 1998, . 2341 [34] Mogul, J., Cohen, J., and S. Lawrence, "Specification of 2342 HTTP/1.1 OPTIONS messages", August 1997, . 2345 Authors' Addresses 2347 Mark Nottingham 2349 Email: mnot@pobox.com 2350 URI: http://www.mnot.net/ 2352 Jeffrey C. Mogul 2353 HP Labs 2354 1501 Page Mill Road 2355 Palo Alto, CA 94304 2356 US 2358 Email: JeffMogul@acm.org 2360 Appendix A. Revision History 2362 [[ this section should be removed before final publication. ]] 2364 -05: Corrected affiliations. 2366 -04: Updated reference e-mail addresses, noted that some may be out 2367 of date. 2369 -03: No substantive change; preparation for transition request. 2371 -02: Added Content-Style-Type, Content-Script-Type, and Default- 2372 Style. 2374 Reference RFC3864. 2376 -01: Substantial rewrite, using Graham's registry generation sw. 2378 Intellectual Property Statement 2380 The IETF takes no position regarding the validity or scope of any 2381 Intellectual Property Rights or other rights that might be claimed to 2382 pertain to the implementation or use of the technology described in 2383 this document or the extent to which any license under such rights 2384 might or might not be available; nor does it represent that it has 2385 made any independent effort to identify any such rights. Information 2386 on the procedures with respect to rights in RFC documents can be 2387 found in BCP 78 and BCP 79. 2389 Copies of IPR disclosures made to the IETF Secretariat and any 2390 assurances of licenses to be made available, or the result of an 2391 attempt made to obtain a general license or permission for the use of 2392 such proprietary rights by implementers or users of this 2393 specification can be obtained from the IETF on-line IPR repository at 2394 http://www.ietf.org/ipr. 2396 The IETF invites any interested party to bring to its attention any 2397 copyrights, patents or patent applications, or other proprietary 2398 rights that may cover technology that may be required to implement 2399 this standard. Please address the information to the IETF at 2400 ietf-ipr@ietf.org. 2402 Disclaimer of Validity 2404 This document and the information contained herein are provided on an 2405 "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS 2406 OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET 2407 ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, 2408 INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE 2409 INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED 2410 WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. 2412 Copyright Statement 2414 Copyright (C) The Internet Society (2005). This document is subject 2415 to the rights, licenses and restrictions contained in BCP 78, and 2416 except as set forth therein, the authors retain all their rights. 2418 Acknowledgment 2420 Funding for the RFC Editor function is currently provided by the 2421 Internet Society.