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IETF RFC 2957

The application/whoispp-query Content-Type

Last modified on Tuesday, October 3rd, 2000

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Network Working Group                                           L. Daigle
Request for Comments: 2957                       Thinking Cat Enterprises
Category: Informational                                    P. Faltstrom
                                                       Cisco Systems Inc.
                                                             October 2000


               The application/whoispp-query Content-Type

 Status of this Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

 Copyright Notice

   Copyright © The Internet Society (2000).  All Rights Reserved.

 Abstract

   This document defines the expression of Whois++ protocol (RFC 1835)
   queries within MIME (Multipurpose Internet Mail Extensions) (RFC
   2046) media types.  The intention of this document, in conjunction
   with RFC 2958 is to enable MIME-enabled mail software, and other
   systems using Internet media types, to carry out Whois++
   transactions.

1.  MIME Registration Information

   To: iana@isi.edu
   Subject:  Registration of MIME media type application/whoispp-query

   MIME Type name:         Application

   MIME subtype name:      whoispp-query

   Required parameters:    none

   Optional parameters:    none

   Encoding considerations: Any valid MIME encodings may be used

   Security considerations: This content-type contains purely
   descriptive information (i.e., no directives).  There are security
   considerations with regards to the appropriateness (privacy) of
   information provided through the use of this content-type, and the
   authenticity of the information so-provided.  This content-type



Daigle & Faltstrom           Informational                   PAGE 1 top


RFC 2957 application/whoispp-query Content-Type October 2000 provides no native mechanisms for authentication. Published specification: this document Person & email address to contact for further information: Leslie L. Daigle leslie@thinkingcat.com Intended usage: common 2. whoispp-query Syntax The following grammar, which uses BNF-like notation as defined in [RFC 2234] defines the set of acceptable input to a Whois++ server. As such, it describes the expected structure of a whoispp-query media type object. N.B.: As outlined in the ABNF definition, rule names and string literals are in the US-ASCII character set, and are case-insensitive. whois-command = ( system-command / terms [":" globalcnstrnts] ) nl system-command = "constraints" / "describe" / "commands" / "polled-by" / "polled-for" / "version" / "list" / "show" [1*sp bytestring] / "help" [1*sp bytestring] / "?" [bytestring] terms = and-expr *("or" and-expr) and-expr = not-expr *("and" not-expr) not-expr = ["not"] (term / ( "(" terms ")" )) term = ( generalterm / specificterm / combinedterm ) localcnstrnts generalterm = bytestring specificterm = specificname "=" bytestring specificname = "handle" / "value" / "template" combinedterm = attributename "=" bytestring globalcnstrnts = globalcnstrnt *(";" globalcnstrnt) Daigle & Faltstrom Informational PAGE 2 top

RFC 2957 application/whoispp-query Content-Type October 2000 globalcnstrnt = "format" "=" format / "maxfull" "=" 1*digit / "maxhits" "=" 1*digit / "case" "=" casevalue / "search" "=" searchvalue / opt-globalcnst opt-globalcnst = "authenticate" "=" auth-method / "language" "=" language / "incharset" "=" characterset / "outcharset" "=" characterset / "ignore" "=" attriblist / "include" "=" attriblist localcnstrnts = 0*(";" localcnstrnt) localcnstrnt = "case" "=" casevalue / "search" "=" searchvalue format = "full" / "abridged" / "handle" / "summary" / "server-to-ask" auth-method = bytestring language = <The language code defined in RFC 1766 [ALVE95]> characterset = "us-ascii" / "iso-8859-1" / "iso-8859-2" / "iso- 8859-3" / "iso-8859-4" / "iso-8859-5" / "iso- 8859-6" / "iso-8859-7" / "iso-8859-8" / "iso- 8859-9" / "iso-8859-10" / "UNICODE-1-1-UTF-8" / "UNICODE-2-0-UTF-8" "UTF-8" ;"UTF-8" is as defined in [RFC 2279]. This is ;the character set label that should be used ;for UTF encoded information; the labels ;"UNICODE-2-0-UTF-8" and "UNICODE-1-1-UTF-8" ;are retained primarily for compatibility with ;older Whois++ servers (and as outlined in ;[RFC 2279]). searchvalue = "exact" / "substring" / "regex" / "fuzzy" / "lstring" casevalue = "ignore" / "consider" bytestring = 0*charbyte attributename = 1*attrbyte attriblist = attributename 0*("," attributename) charbyte = "\" specialbyte / normalbyte normalbyte = <%d33-255, except specialbyte> Daigle & Faltstrom Informational PAGE 3 top

RFC 2957 application/whoispp-query Content-Type October 2000 attrbyte = <%d33-127 except specialbyte> / "\" <specialbyte except ":" " " tab nl> specialbyte = " " / tab / "=" / "," / ":" / ";" / "\" / "*" / "." / "(" / ")" / "[" / "]" / "^" / "$" / "!" / "?" tab = %d09 sp = %d32 ; space digit = "0" / "1" / "2" / "3" / "4" / "5" / "6" / "7" / "8" / "9" nl = %d13 %d10 ; CR LF NOTE: Blanks that are significant to a query must be escaped. The following characters, when significant to the query, may be preceded and/or followed by a single blank: : ; , ( ) = ! 3. Security Considerations Security issues are discussed in section 1. 4. References [ALVE95] Alvestrand H., "Tags for the Identification of Languages", RFC 1766, March 1995. [RFC 2234] Crocker, D. and P. Overell, "Augmented BNF for Syntax Specifications: ABNF", RFC 2234, November 1997. [RFC 2958] Daigle, L. and P. Faltstrom, "The application/whoispp- response Content-type", RFC 2958, October 2000. [RFC 1835] Deutsch, P., Schoultz, R., Faltstrom, P. and C. Weider, "Architecture of the WHOIS++ service", RFC 1835, August 1995. [RFC 2046] Freed, N. and N. Borenstein, "Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types", RFC 2046, November 1996. Daigle & Faltstrom Informational PAGE 4 top

RFC 2957 application/whoispp-query Content-Type October 2000 [HARR85] Harrenstein K., Stahl M. and E. Feinler, "NICNAME/WHOIS", RFC 954, October 1985. [POST82] Postel J., "Simple Mail Transfer Protocol", STD 10, RFC 821, August 1982. [IIIR] Weider C. and P. Deutsch, "A Vision of an Integrated Internet Information Service", RFC 1727, December 1994. [WINDX] Weider, C., Fullton, J. and S. Spero, "Architecture of the Whois++ Index Service", RFC 1913, February 1996. [RFC 2279] Yergeau F., " UTF-8, a transformation format of ISO 10646", RFC 2279, January 1998. 5. Authors' Addresses Leslie L. Daigle Thinking Cat Enterprises Email: leslie@thinkingcat.com Patrik Faltstrom Cisco Systems Inc 170 W Tasman Drive SJ-13/2 San Jose CA 95134 USA EMail: paf@cisco.com URL: http://www.cisco.com Daigle & Faltstrom Informational PAGE 5 top

RFC 2957 application/whoispp-query Content-Type October 2000 6. Full Copyright Statement Copyright © The Internet Society (2000). All Rights Reserved. This document and translations of it may be copied and furnished to others, and derivative works that comment on or otherwise explain it or assist in its implementation may be prepared, copied, published and distributed, in whole or in part, without restriction of any kind, provided that the above copyright notice and this paragraph are included on all such copies and derivative works. However, this document itself may not be modified in any way, such as by removing the copyright notice or references to the Internet Society or other Internet organizations, except as needed for the purpose of developing Internet standards in which case the procedures for copyrights defined in the Internet Standards process must be followed, or as required to translate it into languages other than English. The limited permissions granted above are perpetual and will not be revoked by the Internet Society or its successors or assigns. This document and the information contained herein is provided on an "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Acknowledgement Funding for the RFC Editor function is currently provided by the Internet Society. Daigle & Faltstrom Informational PAGE 6 top

The application/whoispp-query Content-Type RFC TOTAL SIZE: 10262 bytes PUBLICATION DATE: Tuesday, October 3rd, 2000 LEGAL RIGHTS: The IETF Trust (see BCP 78)


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