-- enumerations utilizing TCP port

                      -- numbers 0 through 1024.
                  chCPAP(21),      -- TCP port 170
                      -- Digital Equipment Corp.
                  chDCERemoteProcCall(22), -- OSF
                      -- DEPRECATED
                  chONCRemoteProcCall(23), -- SUN Microsystems
                      -- DEPRECATED
                  chOLE(24),         -- Microsoft
                      -- DEPRECATED
                  chNamedPipe(25),
                  chPCPrint(26),   -- Banyan
                  chServerMessageBlock(27),
                      -- File/Print sharing protocol used by
                      -- various network operating systems
                      -- from IBM 3Com, Microsoft and others
                      --
                      -- prtChannelInformation entry:
                      --
                      -- Service Name
                      --   Keyword:      Name
                      --   Syntax:       Name
                      --   Status:       Optional
                      --   Multiplicity: Single
                      --   Description:  The service name of
                      --                 the printer
                  chDPMF(28),   -- IBM Infoprint
                  chDLLAPI(29), -- Microsoft
                      -- DEPRECATED
                  chVxDAPI(30), -- Microsoft
                      -- DEPRECATED
                  chSystemObjectManager(31), -- IBM
                  chDECLAT(32),
                      -- Digital Equipment Corp.
                      --
                      -- prtChannelInformation entries:
                      --
                      -- Port Name
                      --   Keyword:      Port
                      --   Syntax:       Name
                      --   Status:       Conditionally
                      --                 Mandatory
                      --                 (see note below)
                      --   Multiplicity: Single
                      --   Description:  LAT port name
                      --
                      -- Service Name
                      --   Keyword:      Service
                      --   Syntax:       Name

                      --   Status:       Conditionally
                      --                 Mandatory
                      --   Multiplicity: Single
                      --   Description:  LAT service name
                      --
                      -- The LAT channel may be
                      -- identified by either a port or
                      -- service, so either a
                      -- Port or Service entry must be
                      -- specified, but not both.
                  chNPAP(33),
                  chUSB(34), -- Not in RFC 1759
                             -- Universal Serial Bus
                  chIRDA(35), -- Not in RFC 1759
                              -- Infrared Data Assoc. Prot.
                  chPrintXChange(36),  -- Not in RFC 1759
                                       -- PrintXChange Protocol
                  chPortTCP(37),  -- Not in RFC 1759
                      -- A unidirectional "raw" TCP
                      -- channel that uses an administratively
                      -- assigned TCP port address.
                      --
                      -- prtChannelInformation entry:
                      --
                      -- Port Number
                      --   Keyword:      Port
                      --   Syntax:       decimal number
                      --   Status:       Mandatory
                      --   Multiplicity: Single
                      --   Description:  TCP port number
                  chBidirPortTCP(38),  -- Not in RFC 1759
                      -- A bi-directional version of chPortTCP
                      --
                      -- prtChannelInformation entries:
                      -- (See chPortTCP)
                  chUNPP(39),  -- Not in RFC 1759
                      -- Universal Network Printing
                      -- Protocol(UNPP). A bi-directional,
                      -- multiport network printing
                      -- application protocol available on
                      -- multiple transport protocols.
                      -- Underscore, Inc.
                      -- Contact: info@underscore.com
                  chAppleTalkADSP(40),  -- Not in RFC 1759
                      -- AppleTalk Data Stream Protocol.
                      -- ADSP is part of the AppleTalk
                      -- suite of protocols.
                      -- It is a symmetric, connection-

                      -- oriented protocol that makes
                      -- possible the establishment
                      -- and maintenance of full-duplex
                      -- streams of data bytes between
                      -- two sockets in an AppleTalk
                      -- internet.
                      -- See [APPLEMAC].
                  chPortSPX(41),  -- Not in RFC 1759
                      -- Sequenced Packet Exchange (SPX)
                      -- socket.
                      -- Novell, Inc. Similar to TCP, a
                      -- bi-directional data pipe using
                      -- Novell SPX as a transport.
                      --
                      -- prtChannelInformation entries:
                      --
                      -- Network Number
                      --   Keyword:      Net
                      --   Syntax:       HexString
                      --   Status:       Mandatory
                      --   Multiplicity: Single
                      --   Description:  The network number
                      --
                      -- Node Number
                      --   Keyword:      Node
                      --   Syntax:       HexString
                      --   Status:       Mandatory
                      --   Multiplicity: Single
                      --   Description:  The node number
                      --
                      -- Socket Number
                      --   Keyword:      Socket
                      --   Syntax:       HexString
                      --   Status:       Mandatory
                      --   Multiplicity: Single
                      --   Description:  The SPX socket number
                      --
                      -- There must be exactly one "Net" and
                      -- one "Node" and one "Socket" entry.  A
                      -- HexString is a binary value
                      -- represented as a string of
                      -- ASCII characters using hexadecimal
                      -- notation.
                  chPortHTTP(42),  -- Not in RFC 1759
                      -- Hypertext Transfer Protocol. See [RFC1945]
                      -- and [RFC2616].
                  chNDPS(43),  -- Not in RFC 1759
                      -- Novell, Inc.

                      --
                      -- prtChannelInformation entry:
                      --
                      -- Printer Agent Name
                      --   Keyword:      PA
                      --   Syntax:       Name
                      --   Status:       Mandatory
                      --   Multiplicity: Single
                      --   Description:  The NDPS Printer
                      --                 Agent Name
                  chIPP(44),  -- Not in RFC 1759
                      -- Internet Printing Protocol (IPP),
                      -- (IPP/1.1 - see [RFC2910] and [RFC2911])
                      -- also applies to all future versions of IPP.
                      --
                      -- IPP Printer URI
                      --   Keyword:      URI
                      --   Syntax:       URI (Unicode UTF-8 per
                      --                 [RFC2396])
                      --   Status:       Mandatory
                      --   Multiplicity: Single
                      --   Default:      not applicable
                      --   Description:  URI of this IPP Printer
                      --     within Internet naming scope.  Unicode
                      --     UTF-8 [RFC3629] string with
                      --     hexadecimal escapes for any non-ASCII
                      --     characters (per [RFC2396]).
                      --   Conformance: An IPP Printer shall list all
                      --     IPP URI it supports (one per IPP Channel
                      --     entry).  If a URI contains the 'http:'
                      --     scheme it must have an explicit port.
                      --   See: [RFC3629], [RFC2396], [RFC2910],
                     --     [RFC2911].
                      --
                      -- IPP Printer Client Authentication
                      --   Keyword:      Auth
                      --   Syntax:       Keyword
                      --   Status:       Optional
                      --   Multiplicity: Single
                      --   Default:      'none'
                      --   Description:  A client authentication
                      --     mechanism supported for this IPP Printer
                      --     URI:
                      --       'none'
                      --         no client authentication mechanism
                      --       'requesting-user-name'
                      --         authenticated user in 'requesting-
                      --         user-name'

                      --       'basic'
                      --         authenticated user via HTTP Basic
                      --         mechanism
                      --       'digest'
                      --         authenticated user via HTTP Digest
                      --         mechanism
                      --       'certificate'
                      --         authenticated user via certificate
                      --         mechanism
                      --   Conformance: An IPP Printer should list
                      --     all IPP client authentication mechanisms
                      --     it supports (one per IPP Channel entry).
                      --     See: [RFC2911] and [RFC2910].
                      --
                      -- IPP Printer Security
                      --   Keyword:      Security
                      --   Syntax:       Keyword
                      --   Status:       Optional
                      --   Multiplicity: Single
                      --   Default:      'none'
                      --   Description:  A security mechanism
                      --     supported for this IPP Printer URI:
                      --     'none'
                      --       no security mechanism
                      --     'ssl3'
                      --       SSL3 secure communications channel
                      --       protocol
                      --     'tls'
                      --       TLS secure communications channel
                      --       protocol
                      --   Conformance: An IPP Printer should list
                      --     all IPP security mechanisms it supports
                      --     (one per IPP Channel entry).
                      --   See: [RFC2246], [RFC2911].
                      --
                      -- IPP Printer Protocol Version
                      --   Keyword:      Version
                      --   Syntax:       Keyword
                      --   Status:       Optional
                      --   Multiplicity: Multiple
                      --   Default:      '1.1'
                      --   Description:  All of the IPP protocol
                      --     versions (major.minor) supported for
                      --     this IPP Printer URI:
                      --     '1.0'
                      --       IPP/1.0 conforming Printer
                      --     '1.1'
                      --       IPP/1.1 conforming Printer

                      --   Conformance:  An IPP Printer should list
                      --     all IPP versions it supports (all listed
                      --     in each IPP Channel entry).  An IPP
                      --     Client should select the highest
                      --     numbered version the IPP Client supports
                      --     for use in all IPP Requests (for optimum
                      --     interworking).
                      --   See: [RFC2911].
                  chSMTP(45)
                      -- Print Job submission via Simple Mail
                      -- Transfer Protocol (SMTP) - see [RFC2821]
                      --
                      -- prtChannelInformation entry:
                      --
                      --   Keyword:      Mailto
                      --   Syntax:       Name
                      --   Status:       Mandatory