Internet Assigned Numbers Authority

                                                             Network Time Security (NTS)

   Created
           2020-04-07

   Last Updated
           2021-02-26

   Available Formats
           [IMG]
           XML [IMG]
           HTML [IMG]
           Plain text

   Registries included below

     * Network Time Security Key Establishment Record Types
     * Network Time Security Next Protocols
     * Network Time Security Error Codes
     * Network Time Security Warning Codes

Network Time Security Key Establishment Record Types

   Expert(s)

 Miroslav Lichvar, Daniel Franke

   Reference
           [RFC8915]

   Available Formats
           [IMG]
           CSV

      Range      Registration Procedures
   0-1023      IETF Review
   1024-16383  Specification Required
   16384-32767 Private or Experimental Use

   Record Type Number               Description                       Reference
   0                  End of Message                           [RFC8915, Section 4.1.1]
   1                  NTS Next Protocol Negotiation            [RFC8915, Section 4.1.2]
   2                  Error                                    [RFC8915, Section 4.1.3]
   3                  Warning                                  [RFC8915, Section 4.1.4]
   4                  AEAD Algorithm Negotiation               [RFC8915, Section 4.1.5]
   5                  New Cookie for NTPv4                     [RFC8915, Section 4.1.6]
   6                  NTPv4 Server Negotiation                 [RFC8915, Section 4.1.7]
   7                  NTPv4 Port Negotiation                   [RFC8915, Section 4.1.8]
   8-16383            Unassigned
   16384-32767        Reserved for Private or Experimental Use [RFC8915]

Network Time Security Next Protocols

   Expert(s)

 Miroslav Lichvar, Daniel Franke

   Reference
           [RFC8915]

   Available Formats
           [IMG]
           CSV

      Range      Registration Procedures
   0-1023      IETF Review
   1024-32767  Specification Required
   32768-65535 Private or Experimental Use

   Protocol ID              Protocol Name               Reference
   0           Network Time Protocol version 4 (NTPv4)  [RFC8915]
   1-32767     Unassigned
   32768-65535 Reserved for Private or Experimental Use [RFC8915]

Network Time Security Error Codes

   Expert(s)

 Miroslav Lichvar, Daniel Franke

   Reference
           [RFC8915]

   Available Formats
           [IMG]
           CSV

      Range      Registration Procedures
   0-1023      IETF Review
   1024-32767  Specification Required
   32768-65535 Private or Experimental Use

     Number                  Description                       Reference
   0           Unrecognized Critical Record             [RFC8915, Section 4.1.3]
   1           Bad Request                              [RFC8915, Section 4.1.3]
   2           Internal Server Error                    [RFC8915, Section 4.1.3]
   3-32767     Unassigned
   32768-65535 Reserved for Private or Experimental Use [RFC8915]

Network Time Security Warning Codes

   Expert(s)

 Miroslav Lichvar, Daniel Franke

   Reference
           [RFC8915]

   Available Formats
           [IMG]
           CSV

      Range      Registration Procedures
   0-1023      IETF Review
   1024-32767  Specification Required
   32768-65535 Private or Experimental Use

     Number                  Description                Reference
   0-32767     Unassigned
   32768-65535 Reserved for Private or Experimental Use [RFC8915]

   Licensing Terms