Internet Assigned Numbers Authority

                                     Dynamic Host Configuration Protocol (DHCP) Authentication Option Name Spaces

   Created
   2001-05-15

   Last Updated
   2025-06-10

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

   Registries Included Below

     ??Protocol Name Space Values
     ??Algorithm Name Space Values

          ??configuration token (0) Algorithms
          ??delayed authentication (1) Algorithms, Delayed Authentication (2) Algorithms, and Reconfigure Key (3) Algorithms

     ??RDM Name Space Values

Protocol Name Space Values

   Registration Procedure(s)

 IETF Review

   Reference
   [RFC3118]

   Available Formats
   [IMG]
   CSV

   Value            Description                     Reference
     0   configuration token               [RFC3118]
     1   delayed authentication            [RFC3118]
     2   Delayed Authentication (Obsolete) [RFC-ietf-dhc-rfc8415bis-12]
     3   Reconfigure Key                   [RFC-ietf-dhc-rfc8415bis-12]
     4   Split-horizon DNS                 [RFC9704]

Algorithm Name Space Values

   Registration Procedure(s)

 IETF Review

   Reference
   [RFC3118]

  configuration token (0) Algorithms

   Registration Procedure(s)

 IETF Review

   Reference
   [RFC3118]

   Available Formats
   [IMG]
   CSV

   Value     Description     Reference
     0   configuration token [RFC3118]

  delayed authentication (1) Algorithms, Delayed Authentication (2) Algorithms, and Reconfigure Key (3) Algorithms

   Registration Procedure(s)

 IETF Review

   Reference
   [RFC3118]

   Available Formats
   [IMG]
   CSV

   Value Description               Reference
     1   HMAC-MD5    [RFC3118][RFC-ietf-dhc-rfc8415bis-12]

RDM Name Space Values

   Registration Procedure(s)

 IETF Review

   Reference
   [RFC3118]

   Available Formats
   [IMG]
   CSV

   Value               Description                             Reference
     0   use of a monotonically increasing value [RFC3118][RFC-ietf-dhc-rfc8415bis-12]

   Licensing Terms