RFC 2957 (rfc2957) - Page 2 of 6
The application/whoispp-query Content-Type
Alternative Format: Original Text Document
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
