Internet Assigned Numbers Authority

                                                             Network Time Security (NTS)

   Created
   2020-04-07

   Last Updated
   2024-09-25

   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]
   8-1023             Unassigned
   1024               Compliant AES-128-GCM-SIV Exporter Context [https://chrony-project.org/doc/spec/nts-compliant-128gcm.html]
   1025-16383         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