IANA is responsible for maintaining many of the codes and numbers contained in a variety of Internet protocols, enumerated below. We provide this service in coordination with the Internet Engineering Task Force (IETF).
To view the various protocol registries, just click on their titles. To apply to modify a registry, use the relevant form. The qualifications for changing a protocol vary depending on the governing standards documents.
Protocol/Registry | Defining Document/Comments | |
---|---|---|
Ad Hoc On Demand Distance Vector (AODV) | ||
AODV Message Types | RFC 3561 Standards action. (section 12) | |
Extension Type | RFC 3561 Standards action. (section 12) | |
Address Family Numbers | ||
Address Family Numbers | RFC 2453, RFC 2858 25-16383: Standards Action with Early Assignment 16384-32767: FCFS 32768-65535: Reserved | |
Address Resolution Protocol (ARP) Parameters | ||
Hardware Types | RFC 826 (?) | |
Inverse Address Resolution Protocol Operation Codes | RFC 826 (?) | |
Protocol Type | RFC 826 See the following registry: http://www.iana.org/assignments/ethernet-numbers | |
Applicable Exchange Core (APEX) Parameters | ||
APEX Endpoint Applications | RFC 3340 Expert review (Appendix B) | |
APEX Options | RFC 3340 Expert review (Appendix B) | |
APEX Services | RFC 3340 Expert review (Appendix B) | |
Application Access Protocol (ACAP) Parameters | ||
ACAP Capabilities | RFC 2244 Recommended working group review (section 7.1) | |
ACAP Response Codes | RFC 2244 Recommended working group review (section 7.2) | |
Dataset Classes | RFC 2244 RFC (standards track or experimental) (section 7.3) | |
Vendor Subtree | RFC 2244 FCFS (section 7.4) | |
Atom Link Relations | ||
Atom Link Relations | RFC 4287 IESG Approval (via request to IANA) | |
Authenticated Encryption with Associated Data (AEAD) Parameters | ||
AEAD Algorithms | RFC 5116 1-32767: Specification Required. 32768-65535: Private Use. | |
Authentication and Key Agreement (AKA) | ||
Version Namespace | RFC 3310 Expert Review (Experts: Vesa Torvinen-Primary, Jari Arkko-Secondary) | |
Authentication Option Name Spaces | ||
Please look under Dynamic Host Configuration Protocol (DHCP) | ||
Authentication, Authorization, and Accounting (AAA) Parameters | ||
Application IDs | RFC 3588 0-16777215 - Standards Track 16777216-4294967294 - Vendor-Specific (First Come First Served) (section 11.3) | |
AVP Codes | RFC 3588 Allocated by a designated expert with a specification. If more than 3 are needed, IETF consensus. (Expert-Bert Wijnen) (section 11.1.1) | |
AVP Flags Value | RFC 3588 Standards Action Process (section 11.1.2) | |
AVP Specific Values | RFC 3588 IETF consensus (section 11.4) | |
Command Codes | RFC 3588 314-16,777,213 Unallocated (IETF Consensus) (section 11.2.1) | |
Command Flags | RFC 3588 0-7: Standards Action (section 11.2.2) | |
Automatic Responses to Electronic Mail Parameters | ||
Auto-Submitted header field keywords | RFC 3834 IETF Consensus | |
Auto-Submitted header field optional parameters | RFC 3834 IETF Consensus | |
Autonomous System (AS) Numbers | ||
AS Numbers (Blocks of 1024 Numbers) | RFC 1930 RIR request to the IANA | |
Binary Floor Control Protocol (BFCP) Parameters | ||
Attribute Subregistry | RFC 4582 Standards-Track RFC | |
Error Code Subregistry | RFC 4582 Standards-Track RFC | |
Primitive Subregistry | RFC 4582 Standards-Track RFC | |
Request Status Subregistry | RFC 4582 Standards-Track RFC | |
Blocks Extensible Exchange Protocol (BEEP) Parameters | ||
BEEP Features | RFC 3080 Expert review (Appendix B) (Expert-Marshall T. Rose) | |
BEEP Profiles | RFC 3080 Expert review (Appendix B) (Expert-Marshall T. Rose) | |
Border Gateway Protocol (BGP) Parameters | ||
BGP Cease NOTIFICATION message subcodes | RFC 4486 Standards Action or Early IANA Allocation process | |
BGP Data Collection Standard Communities | RFC 4384 IETF Consensus [usually through the Global Routing Operations Working Group (grow)] | |
BGP Error Codes | RFC 4271 Standards Action or Early IANA Allocation process | |
BGP Error Subcodes | RFC 4271 Standards Action or Early IANA Allocation process | |
BGP Extended Communities Types | RFC 4360 regular, transitive 0x90-0xbf : Standards Action/Early Allocation 0x00-x3f : FCFS regular, non-transitive 0xd0-0xff : Standards Action/Early Allocation 0x40-0x7f : FCFS extended, transitive 0x9000-0xbfff : Standards Action/Early Allocation 0x0000-0x3ffff : FCFS extended, non-transitive 0xd000-0xffff : Standards Action/Early Allocation 0x4000-0x7fff : FCFS | |
BGP Message Types | RFC 4271 Standards Action or Early IANA Allocation process | |
BGP Path Attributes | RFC 4271 Standards Action or Early IANA Allocation process | |
Capability Codes | RFC 3392 Values 1-63: IETF consensus Values 64-127: FCFS | |
IPv4 Address Specific Extended Community | RFC 4360 First Come First Serve | |
Opaque Extended Community | RFC 4360 First Come First Serve | |
Two-octet AS Specific Extended Community | RFC 4360 First Come First Serve | |
Well-known Communities | RFC 1997 Not Defined | |
Building Blocks | ||
Building Blocks | RFC 3048 RFC (specification required) (section 6) | |
Caller-ID Numbering Plans | ||
Tokens | RFC 3939 Standards-track RFC | |
Candidate Access Router Discovery (CARD) Parameters | ||
SEAMOBY AVP Type Registry | RFC 4065 Expert Review (Expert - James Kempf) | |
SEAMOBY Experimental Mobility Protocol Subtype Registry | RFC 4065 Specification Required and IESG Review | |
SEAMOBY Layer 2 Access Technology Identifier Registry | RFC 4065 Specification Required | |
CERT RR Certificate Types | ||
Certificate Types | RFC 4398 0x0000 through 0x00FF - IETF Standards Action 0xFF00 through 0xFFFF - IETF Standards Action 0x0100 through 0xFEFF - IETF Consensus (based on RFC documentation of the certificate type). | |
Character Sets | ||
Character Sets | RFC 2978 Expert Review (Primary Expert Ned Freed and Secondary Expert Martin Duerst) | |
Mailing List Information | RFC 2978 N/A | |
Registration Templates | RFC 2978 Expert Review (Primary Expert Ned Freed and Secondary Expert Martin Duerst) | |
Common Name Resolution Protocol (CNRP) Parameters | ||
Properties, Property Types, and Status Messages | RFC 3367 FCFS (section 10) | |
Common Open Policy Service (COPS) Protocol Parameters | ||
A-Types and Sub-Types | RFC 3182 0-127: IETF consensus 128-255: Private use (section 8) | |
Auth_Session X-Types and Sub-Types | RFC 3520 0-127: IETF consensus 128-255: Private use (section 8) | |
C-Num and C-Type Values | RFC 2748 IETF consensus (section 6) | |
Client Types Values | RFC 2748 0x001-0x3FF: COPS extension document 0x4000-0x7FFF: Private Use 0x8000-0xFFFF: FCFS (section 6) | |
Error sub-codes defined for messages containing Client-type = 0 | RFC 4261 IETF Consensus | |
Error Values | RFC 3182 0-32767: IETF consensus 32768-65535: Private use (section 8) | |
M-Types, Reason Sub-Codes, and Error Sub-Codes | RFC 2748 Same IANA considerations as respective client type (section 6) | |
P-Type | RFC 2750 0-49151: IETF Consensus. 49152-53247: Vendor-specific, First Come First Served. 53248-65535: Reserved for Private Use. | |
R-Types, Reason-Codes, Report-Types, Decision Object Command-Codes/Flags, and Error Codes | RFC 2748 IETF consensus (section 6) | |
S-Num, S-Types, and Error-Codes | RFC 3084 IETF consensus (section 9) | |
X-Types and Sub Types | (?) | |
Common Presence and Instant Messaging (CPIM) | ||
CPIM Headers | RFC 3862 Standards Track RFC | |
Context Labels for Internet Messages | ||
Internet Messages Content Types | RFC 3458 RFC (specification required) (section 8) | |
Context Transfer Protocol (CXTP) Parameters | ||
SEAMOBY Context Transfer Profile Type Registry | RFC 4065 Expert Review (Expert - James Kempf) | |
SEAMOBY Context Transfer Protocol Authorization Token Calculation Algorithms | RFC 4065 Specification Required | |
Cryptographic Suites for IKEv1, IKEv2, and IPsec | ||
Identifiers | RFC 4308 RFC and expert review (Expert - Tero Kivinen) | |
Cryptographically Generated Addresses (CGA) Name Space | ||
CGA Extension Type Values | RFC 4581 Standards Action | |
CGA SEC | RFC 4982 Standards Action | |
CGA Type Tags | RFC 3972 First Come First Serve (FCFS) | |
Datagram Congestion Control Protocol (DCCP) Parameters | ||
Ack Vector States | RFC 4340 Standards Track RFC | |
Congestion Control Identifiers | RFC 4340 IETF Consensus (IETF RFC publication) | |
Drop Codes | RFC 4340 Standards Track RFC | |
Feature Numbers | RFC 4340 IETF Consensus (IETF RFC publication) | |
Option Types | RFC 4340 IETF Consensus (IETF RFC publication) | |
Packet Types | RFC 4340 Standards Track RFC | |
Port Numbers | RFC 4340 0-49151: Review of application template (section 19.9) Reviewer: Eddie Kohler 49152-65535: Private Use | |
Profile for DCCP Congestion Control ID 2: TCP-like Congestion Control Parameters - Feature Numbers | RFC 4341 Standards Track RFC | |
Profile for DCCP Congestion Control ID 2: TCP-like Congestion Control Parameters - Option Types | RFC 4341 Standards Track RFC | |
Profile for DCCP Congestion Control ID 2: TCP-like Congestion Control Parameters - Reset Codes | RFC 4341 Standards Track RFC | |
Profile for DCCP Congestion Control ID 3: TFRC Congestion Control Parameters - Feature Numbers | RFC 4342 Standards Track RFC | |
Profile for DCCP Congestion Control ID 3: TFRC Congestion Control Parameters - Option Types | RFC 4342 Standards Track RFC | |
Profile for DCCP Congestion Control ID 3: TFRC Congestion Control Parameters - Reset Codes | RFC 4342 Standards Track RFC | |
Reset Codes | RFC 4340 IETF Consensus (IETF RFC publication) | |
Service Codes | RFC 4340 Specification Required or First Come First Serve | |
Delegation Signer Resource Record | ||
Digest Algorithms | RFC 3658 Standards Action | |
Delivery Status Notification (DSN) Types | ||
address-types, diagnostic-types, MTA-name-types | RFC 3464 (?) | |
Diameter | ||
AAA Parameters | RFC 3588 See AAA-Parameters | |
Differentiated Services Field Codepoints | ||
Pools | RFC 2474 Pool 1: Standards Action Pool 2: Experimental or local use/standardized assignments if Pool 1 exhausted (section 6) | |
Directory System Names | ||
Directory System Names | RFC 4520 Registry Closed | |
DNS Header Flags and EDNS Header Flags | ||
DNS Header Flags | RFC 2535 KEY RR flag bits 2 and 8-11 and all flag extension field bits: IETF consensus NAMTYP bits and bits 4 and 5: IETF standards action (section 11) | |
EDNS Header Flags | RFC 2671 Extended Label Type or Version Number: IESG approval Option Code: RFC (section 7) | |
DNSSEC NSEC3 Parameters | ||
DNSSEC NSEC3 Flags | Internet Draft draft-ietf-dnsext-nsec3-13 Standards Action | |
DNSSEC NSEC3 Hash Algorithms | Internet Draft draft-ietf-dnsext-nsec3-13 Standards Action | |
DNSSEC NSEC3PARAM Flags | Internet Draft draft-ietf-dnsext-nsec3-13 Standards Action | |
Domain Name System (DNS) | ||
KEY Flags | RFC 3755 Standards Action | |
SSHFP Resource Record Parameters | RFC 4255 IETF Consensus | |
Domain Name System (DNS) Key Resource Record Protocol Octet | ||
DNS Key Resource Record Protocol Octet Values | RFC 2535 Registry now closed by RFC 3445. | |
Domain Name System (DNS) Parameters | ||
DHCID RR type codes | RFC 4701 Standards Action | |
DNS EDNS0 Options | RFC 5001 Specification required | |
Domain System Class | RFC 2929 (?) | |
Domain System Operation Code | RFC 1035 and RFC 2929 IETF Standards Action. | |
Domain System Response Code | RFC (?) (?) | |
Resource Record (RR) Types and Q-Types | RFC 1035 and RFC 2929 Expert Review (Experiment Expert - Ed Lewis) | |
Domain Name System (DNS) Security Algorithm Numbers | ||
DNS Security Algorithm Numbers | RFC 2535 5-251: IETF standards action 253-254: Private use (section 11) | |
Dynamic Host Configuration Protocol (DHCP) | ||
Algorithm Name Space Values | RFC 3118 IETF consensus (section 6) | |
Protocol Name Space Values | RFC 3118 IETF consensus (section 6) | |
RDM Name Space Values | RFC 3118 IETF consensus (section 6) | |
Dynamic Host Configuration Protocol (DHCP) and Bootstrap Protocol (BOOTP) | ||
Authentication Suboption (value 8) number-spaces - Algorithm identifier values | RFC 4030 IETF Consensus | |
Authentication Suboption (value 8) number-spaces - RDM Algorithm identifier values | RFC 4030 IETF Consensus | |
BOOTP Vendor Extensions and DHCP Options | RFC 2939 IETF Consensus | |
CableLabs Client Configuration Option Ticket Control Mask Bit Definitions | RFC 3594 IETF Consensus (section 5) | |
DHCP Agent Sub-Option Codes | RFC 3046 IETF Consensus | |
DHCP Cablelabs Client Configuration Option Type 122 Sub-Option Codes | RFC 3495 IETF Consensus | |
DHCP Message Type 53 Values | RFC 2939 IETF Consensus | |
GeoConf Option fields - The Altitude (AT) Field | RFC 3825 Standards Action | |
GeoConf Option fields - The Datum field | RFC 3825 Standards Action | |
Network/IP Option Type 63 Sub-Option Codes | RFC 2242 ? | |
Dynamic Host Configuration Protocol for IPv6 (DHCPv6) | ||
DHCPv6 Mobile IPv6 Sub-option Codes | Internet Draft draft-ietf-mip6-hiopt-17 Standards Action or IESG Approval | |
DUIDs | RFC 3315 Standards Action Process (section 24.5) | |
Dynamic Host Configuration Protocol (DHCP) Message Types | RFC 3315 Standards Action Process (section 24.2) | |
Dynamic Host Configuration Protocol (DHCP) Options | RFC 3315 Standards Action Process (section 24.3) | |
Home Network Information Option Id-type Codes | Internet Draft draft-ietf-mip6-hiopt-17 Standards Action or IESG Approval | |
OPTION_LQ_QUERY option | RFC 5007 Standards Action | |
Status Codes | RFC 3315 Standards Action Process (section 24.4) | |
Dynamic Source Routing Protocol (DSR) | ||
DSR Protocol Options | RFC 4728 Expert Review (Experts - David B. Johnson, David A. Maltz and Yih-Chun Hu) | |
DSR Protocol Route Error Types | RFC 4728 Expert Review (Experts - David B. Johnson, David A. Maltz and Yih-Chun Hu) | |
Electronic Commerce Language (ECML) | ||
Parameter Values | RFC 4112 IESG Approval | |
Electronic Commerce Language Version 2 (ECMLv2) | ||
Ecom_Payment_Card_Protocol Registry | RFC 4112 Expert Review (Expert - Donald Eastlake) | |
Ecom_Payment_Card_Type Registry | RFC 4112 Expert Approval (Expert - Donald Eastlake) | |
Ecom_Transaction_Type Registry | RFC 4112 Expert Review (Expert - Donald Eastlake) | |
Enterprise Numbers | ||
Enterprise Numbers | RFC 2578 First Come First Serve. (use online template) http://pen.iana.org/pen/PenApplication.page | |
ENUM - Telephone Number Mapping | ||
Enumservice Registrations | RFC 3761 Require an RFC approved by the IESG | |
Ethernet Numbers | ||
Ethernet Numbers | RFC (?) (?) | |
Extensible Provisioning Protocol (EPP) | ||
EPP Repository IDs | RFC 3730 FCFS | |
Extensible Authentication Protocol (EAP) | ||
EAP EXT_Type Numbers | RFC 4764 Designated Expert with Specification Required | |
EAP Initiate and Finish Attributes | Internet Draft draft-ietf-hokey-erx-14 IETF Consensus | |
EAP-AKA and EAP-SIM Parameters | RFC 4187 Specification Required | |
EAP-FAST Error-TLV Error-Codes | RFC 4851 Specification Required | |
EAP-FAST TLV Types | RFC 4851 Specification Required | |
EAP-IKEv2 Payloads | RFC 5106 Expert Review | |
EAP-PAX ADE Type Namespace | RFC 4746 IESG Expert via EAP WG mailing list | |
EAP-PAX DH Group ID Namespace | RFC 4746 IESG Expert via EAP WG mailing list | |
EAP-PAX MAC ID Namespace | RFC 4746 IESG Expert via EAP WG mailing list | |
EAP-PAX Public Key ID Namespace | RFC 4746 IESG Expert via EAP WG mailing list | |
EAP-POTP Cryptographic Algorithm Identifiers | RFC 4793 Specification Required and IESG Approval | |
EAP-SAKE messages | RFC 4763 IETF Consensus with Specification Required | |
EAP-SAKE non-skippable attributes | RFC 4763 IETF Consensus with Specification Required | |
EAP-SAKE skippable attributes | RFC 4763 IETF Consensus with Specification Required | |
EAP-TTLS AVP Usage | Internet Draft draft-funk-eap-ttls-v0-05 IETF Consensus | |
Message Types | Internet Draft draft-ietf-hokey-erx-14 IETF Consensus | |
Method Types | RFC 3748 20, 46-191: Designated Expert with Specification Required 192-253: Standards Action 256-4294967295: Allocated after 1-191, on the advice of a designated expert, with specification required. (Expert-EAP Working Group Chair or person designated by EAP Chair) | |
Packet Codes | RFC 3748 Standards Action | |
Re-authentication Cryptosuites | Internet Draft draft-ietf-hokey-erx-14 IETF Consensus | |
Request-Action TLV Action Codes | RFC 4851 Specification Required | |
Fibre Channel (FC) | ||
Port Types | RFC 4044 Standard Range: 1-9999 Expert Review and Specification Required (Expert - Claudio DeSanti); Private Use: 10000-99999 | |
Foobar AF Numbers | ||
Foobar AF Numbers | RFC 1639 IANA assignment (section 2) | |
FTP parameters | ||
OS specific FTP parameters | RFC 3659 See Specific Parameters under Operating System Names | |
Generalized Multi-Protocol Label Switching (GMPLS) Signaling Parameters | ||
Actions | RFC 3471 IETF Consensus action or documented in a specification (section 12) | |
Administrative Status Information Flags | RFC 4783 IETF Standards Action RFC | |
Association Type | RFC 4872 IETF Standards Action RFC | |
Generalized PID (G-PID) | RFC 3471 0-31743 IETF Standards Track RFC 31744-32767 Assigned Temporarily for Experimental Usage 32768-65535 Not Assigned | |
Interface_ID Types | RFC 3471 IETF Consensus action or documented in a specification (section 12) | |
LSP Encoding Types | RFC 3471 0-239 IETF Standards Track RFC 240-255 Assigned temporarily for Experimental Usage (Not registered with IANA) | |
Switching Types | RFC 3471 0-255 IETF Standards Track RFC | |
Generic Routing Encapsulation (GRE) Parameters | ||
GRE Protocol Types | RFC 2784 IANA does not assign | |
GRE Version Numbers | RFC 2784 IETF Consensus | |
Generic Security Service Application Program Interface (GSSAPI) Service Names | ||
GSSAPI/Kerberos/SASL Service Names | RFC 2743 Specification Required. Registrations are restricted to alpha-numeric, plus the following characters: '+', '-' and '.' | |
Geopriv Location Object Registries | ||
Method Tokens associated with the PIDF-LO Object | RFC 4119 First Come First Serve | |
XML Namespaces for 'provided-by' elements for use with PIDF-LO objects | RFC 4119 Expert Review (Allison Mankin-Primary, Jon Peterson-Secondary) | |
Geopriv Location Type Registries | ||
CAtypes | RFC 4776 Specification Required, Expert Review (Martin Thomson) | |
Location Type Registry | RFC 4589 Expert Review (Martin Thomson) Section 5.1 | |
Location Type Registry XML | RFC 4589 Expert Review (Martin Thomson) Section 5.1 | |
Global Switch Management Protocol version 3 (GSMPv3) Parameters | ||
GSMPv3 Adaptation Type Name Space | RFC 3292 0x000-0x2FF: IETF consensus 0x300-0xFFF: FCFS (section B5) | |
GSMPv3 Event Flag Type Name Space | RFC 3292 Expert Review (Experts - Stefaan De Cnodder and Avri Doria) | |
GSMPv3 Failure Response Message Name Space | RFC 3292 0-59, 80-127, 160-255: IETF consensus 60-79, 128-159: Reserved for vendor private use (section B4) | |
GSMPv3 Label Type Name Space | RFC 3292 0x000-0xAFF: IETF consensus 0xB00-0xEFF: RFC 0xF00-0xFFF: Reserved for vendor private use (section B2) | |
GSMPv3 Message Type Name Space | RFC 3292 0-99: IETF consensus 100-199: RFC 200-249: RFC 250-255: Reserved for vendor private use (section B1) | |
GSMPv3 Model Type Name Space | RFC 3292 0: IETF consensus 1-200: RFC 201-255: Reserved for vendor private use (B6) | |
GSMPv3 Port Type Name Space | RFC 3292 0-127: IETF consensus 128-255: RFC (section B7) | |
GSMPv3 Result Type Name Space | RFC 3292 Expert review (Experts - Stefaan De Cnodder and Avri Doria) | |
GSMPv3 Service ID Type Name Space | RFC 3292 0-1023: IETF consensus 1024-65535: RFC (section B8) | |
GSMPv3 Traffic Control Type Name Space | RFC 3292 Expert Review (Experts - Stefaan De Cnodder and Avri Doria) | |
Global Switched Telephone Network (GSTN) Extensions | ||
Qual2-Label | RFC 2846 (?) | |
Qualif-Type 1 | RFC 2846, RFC 3191, RFC 3192 RFC (section ?) | |
Service Selector | RFC 2846 and 3191 RFC (section ?) | |
Group Domain of Interpretation (GDOI) | ||
Payload Type Values | RFC 3547 Standards Action | |
Hash Function Textual Names | ||
Hash Function Names | RFC 4572 Standards-track RFCs which update or obsolete [RFC3279] | |
Host Identity Protocol (HIP) Parameters | ||
DI-Types | RFC 5201 IETF Consensus | |
Group IDs | RFC 5201 IETF Consensus | |
HIP Version | RFC 5201 IETF Consensus | |
Notify Message Types | RFC 5201 1-50: IETF Consensus. 51-8191: First Come First Served with Specification Required. 8192-16383: Private Use. 16384-40959: First Come First Served with Specification Required. 40960-65535: Private Use. | |
Packet Types | RFC 5201 IETF Consensus | |
Parameter Types | RFC 5201 0-1023: IETF Consensus. 1024-32767: First Come First Served with Specification Required. 32768-49141: Private Use. 49142-61439: First Come First Served with Specification Required. 61440-65535: IETF Consensus. | |
Registration Failure Types | RFC 5203 0-200: IETF Consensus. 201-255: Private Use. | |
Registration Types | RFC 5203 0-200: IETF Consensus. 201-255: Private Use. | |
Suite IDs | RFC 5201 IETF Consensus | |
Hypertext Transfer Protocol (HTTP) Digest Algorithm Values | ||
HTTP Digest Algorithm Values | RFC 3230 Specification Required | |
Hypertext Transfer Protocol (HTTP) Parameters | ||
Content-Coding Values | RFC 2616 First Come First Serve with specification recommended | |
Transfer-Coding Values | RFC 2616 First Come First Serve with specification recommended | |
Hypertext Transfer Protocol (HTTP) Status Codes | ||
HTTP Status Codes | RFC 2817 RFC and FCFS (section 10.2) | |
Hypertext Transfer Protocol (HTTP) Upgrade Tokens | ||
HTTP Upgrade Tokens | RFC 2817 FCFS (must follow rules set forth in BCP 26) (section 7) | |
IANA Maintained MIBs | ||
IANA Address Family Numbers MIB | (?) | |
IANA Charset MIB | RFC 3808 See Character Sets | |
IANA Finisher MIB | RFC 3806 (?) | |
IANA GMPLS TC MIB | RFC 4802 See individual GMPLS registry procedures | |
IANA ifTypes MIB | RFC 2863 Expert Review (Experts - Dan Romascanu and Keith McCloghrie) | |
IANA IP Route Protocol MIB | RFC 2932 RFC or expert review (Expert - Dave Thaler) | |
IANA IPPM Metrics Registry MIB | RFC 4148 Specification Required | |
IANA ITU Alarm TC MIB | RFC 3877 (?) | |
IANA Language MIB Definitions | RFC 3165 Expert Review (Experts - Juergen Schoenwaelder and David Levi) | |
IANA MALLOC MIB | RFC 3559 RFC or designated expert review. (section 4) (Expert - Dave Thaler) | |
IANA MAU MIB | RFC 4836 Operations and Management Area Director (Dan Romascanu); 'hubmib' working group chair (Bert Wijnen) | |
IANA Printer MIB | RFC 3805 (?) | |
IANA Tn3270eTC MIB | RFC 2561 Working Group Review (see DESCRIPTION clause associated with the MODULE-IDENTITY statement) | |
IEEE 802 Numbers | ||
IEEE 802 Numbers | RFC (?) Assigned by IEEE standards office | |
IETF Protocol Parameter Identifiers | ||
IETF URN Sub-namespace for Registered Protocol Parameters | RFC 3553 IETF Consensus | |
Instance Manipulation Values | ||
Instance Manipulation Values | RFC (?) (?) | |
Instant Messaging SRV Protocol | ||
Label Registry | RFC 3861 Specification Required | |
Integrated Service Parameters | ||
Compression Hints | RFC 3006 IETF Consensus | |
Parameter Names | RFC 2216 1-127: Parameters defined in RFC 2215 128-254: Parameters defined by author of service specification document (Service and Data Element Naming) | |
Service Names | RFC 2216 2-127: RFC 127 and above: Experimental use (Service and Data Element Naming) | |
Internationalized Domain Names (IDN) | ||
IANA Repository of TLD IDN Practices | RFC 3743 See http://www.iana.org/assignments/idn/ | |
Internet Application Protocol | ||
Collation Registry | RFC 4790 Expert review via mailing list (Expert - Arnt Gulbrandsen) | |
Internet Control Message Protocol (ICMP) Parameters | ||
"Code" Fields | RFC (?) (?) | |
ICMP Extension Objects Classes | RFC 4950 0-246 First Come First Serve 247-255 Private Use | |
ICMP Type Numbers | RFC 2939 (?) RFC (section 7) | |
Internet Control Message Protocol version 6 (ICMPv6) Parameters | ||
"Code" Fields | RFC 2463 (?) (?) | |
FMIPv6 Message Types | Internet Draft draft-ietf-mipshop-fmipv6-rfc4068bis-07.tx RFC Required | |
IPv6 Neighbor Discovery Option Formats | RFC 2463 (?) (?) | |
IPv6 Type Numbers | RFC 2463 (?) (?) | |
Qtypes | Internet Draft draft-ietf-ipngwg-icmp-name-lookups-15 IETF Consensus | |
Internet Group Management Protocol (IGMP) Type Numbers | ||
"Code" Fields | RFC 3228 IESG approval or standards action (section 2) | |
IGMP Type Numbers | RFC 3228 IESG approval or standards action (section 2) | |
Internet Key Exchange (IKE) Attributes | ||
IKE Attributes | RFC 2409 RFC (standards track) (section 11.1) | |
Internet Key Exchange Version 2 (IKEv2) Parameters | ||
Authentication Methods | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Certificate Encodings | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Configuration Payload Attribute Types | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Configuration Payload CFG Types | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Diffie-Hellmann Transform Ids | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Encryption Transform IDs | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Exchange Types | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Identification Payload ID Types | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Integrity Algorithm Transform IDs | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Notification IPCOMP Transform IDs | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Notify Message Types | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Payload Types | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Pseudo-random Function Transform IDs | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Security Protocol Identifiers | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Traffic Selector Types | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Transform Attribute Types | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Transform Types | RFC 4306 Expert Review (Expert-Tero Kivinen) | |
Internet Message Access Protocol (IMAP) 4 Capabilities | ||
IMAP 4 Capabilities | RFC 3501 IETF Consensus | |
IMAP Threading Algorithms | Internet Draft draft-ietf-imapext-sort-20 Standards Track or IESG-Approved Experimental RFC | |
IMAP4 List Extended | Internet Draft draft-ietf-imapext-list-extensions-18 IANA approval Template is at [RFCietf-imapext-list-extensions-18.txt] section 9.3 | |
Internet Open Trading Protocol (IOTP) Codes | ||
IOTP Codes | RFC 2801 (?) (Expert-David Burdett) | |
Internet Printing Protocol (IPP) Registrations | ||
Attribute Group Tags | RFC 2911 Expert review/assignment (Expert-Carl Uno Manros) | |
Attribute Syntaxes | RFC 2911 Expert review/assignment (section 6.3) (Expert-Carl Uno Manros) | |
Enum Attribute Values | RFC 2911 type1: IETF consensus type2: Mailing list and expert review (Expert-Carl Uno Manros) type3: Expert review (possible mailing list) (Expert-Carl Uno Manros) (section 6.1) | |
Keyword Attribute Values | RFC 2911 type1: IPP specification document revision or IETF standards track document type2: Mailing list and expert review (Expert-Carl Uno Manros) type3: Mailing list and expert review (Expert-Carl Uno Manros) | |
Operations | RFC 2911 RFC (standards track) and expert review/assignment (section 6.4) (Expert-Carl Uno Manros) | |
Out-of-Band Attribute Group Tags | RFC 2911 Expert review/assignment (section 6.6) (Expert-Carl Uno Manros) | |
Status Codes | RFC 2911 Expert review/assignment (section 6.6) (Expert-Carl Uno Manros) | |
Internet Protocol (IP) Option Numbers | ||
IP Option Numbers | RFC 2780 IESG Approval, IETF Consensus or Standards Action | |
IP Time to Live Parameter | RFC (?) (?) | |
Recommended values for TOS | RFC (?) (?) | |
Internet Protocol (IP) Version Number | ||
IP TOS Paramters | RFC (?) (?) | |
IP Version Number | RFC (?) (?) | |
Internet Protocol version 4 (IPv4) Address Space | ||
IPv4 Address Space | RFC 2050 IANA allocates to Regional Internet Registries (RIR's) based on established need. (section 1.3) | |
Internet Protocol version 4 (IPv4) Type of Service (TOS) Byte and Internet Protocol version 6 (IPv6) Traffic Class Octet | ||
IPv4 TOS Byte and IPv6 Traffic Class Octet | RFC 3168 RFC (section 23) | |
Internet Protocol version 6 (IPv6) Address Space | ||
IPv6 Address Space | RFC 2373 Defined and Registered by the IANA. | |
Internet Protocol version 6 (IPv6) Anycast Address Allocations | ||
IPv6 Anycast Address Allocations | RFC 2373 (?) | |
Internet Protocol version 6 (IPv6) Global Unicast Allocations | ||
IANA IPv6 Special Purpose Address Registry | RFC 4773 IETF Consensus | |
IPv6 Global Unicast Allocations | RFC 2928 Contact IANA for information. | |
Internet Protocol Version 6 (IPv6) Low Power Personal Area Network Parameters | ||
Dispatch Type Field | RFC 4944 Specification Required | |
Short Address Fields | RFC 4944 Specification Required | |
Internet Protocol version 6 (IPv6) Multicast Address Allocations | ||
Address Allocations | RFC 3307 Expert Review (Expert-Marshall Eubanks) | |
Internet Protocol version 6 (IPv6) Parameters | ||
IPv6 Parameters | RFC (?) (?) | |
Internet Protocol version 6 (IPv6) Router Alert Option Values | ||
IPv6 Router Alert Option Values | RFC 2711 IETF consensus (section 5) | |
Internet Protocol version 6 (IPv6) Sub-Top Level Aggregation (TLA) Identifier Assignments | ||
IPv6 Sub-TLA Assignments (DEPRECATED) | RFC 2450 IANA assignment to registries. Registries assign Sub-TLA's ID's to organizations meeting requirements. (section 5.1) | |
Internet Security Association and Key Management Protocol (ISAKMP) Identifiers | ||
ISAKMP Identifiers | RFC (?) (?) | |
Signature Encoding Algorithm Values | RFC 4359 Standards Action | |
Internet Storage Name Service (iSNS) | ||
Block Storage Protocols | RFC 4171 Expert Review (by IPS WG Chair or designated expert - David Black) | |
Standard iSNS Attributes | RFC 4171 IETF Consensus | |
Internet/Xerox Network System (XNS) Protocol Mappings | ||
Internet/XNS Protocol Mappings | RFC 1764 (?) | |
Intrusion Detection Exchange Protocol (IDXP) | ||
Options | RFC 4767 Expert Review (Expert - Ben Feinstein) | |
Intrusion Detection Message Exchange Format (IDMEF) Parameters | ||
Attribute Values | RFC 4765 Specification Required by RFC | |
Class Names and Attribute Names | RFC 4765 IETF Consensus | |
IP Flow Information Export (IPFIX) | ||
IPFIX Information Elements | RFC 5102 Expert Review (Primary expert - Nevil Brownlee and Secondary expert - Juergen Quittek) | |
IPFIX MPLS label type | RFC 5102 Expert Review (Primary expert - Nevil Brownlee and Secondary expert - Juergen Quittek) | |
IPFIX Set IDs | RFC 5101 Standards Action | |
IPFIX Version Numbers | RFC 5101 Standards Action | |
IPS Protocol | ||
Protocol Number field | RFC 3643 Standards Track RFCs approved by the IESG | |
IPSec | ||
asn1-modules | RFC 4301 Specification Required | |
IPsec Resource Record Parameters | ||
Algorithm Type Field | RFC 4025 IETF Consensus | |
Gateway Type Field | RFC 4025 Standards Action | |
IPv6 Multicast Permanent Group Identifiers | ||
Group Identifier Values | RFC 3307 Expert Review (Expert - Marshall Eubanks) | |
Robust Header Compression (ROHC) Configuration Option Suboption Identifier Values | (?) | |
IS-IS | ||
Bandwidth Constraints Model Identifiers | RFC 4124 0-239: Specification Required. 240-255: Private Use. | |
IS-IS Multi-Topology ID Values | RFC 5120 0-3995: Expert Review. 3996-4095: Private Use. | |
TLV Codepoints | RFC 3563 Expert review. (section 3.3.1) (Expert-ISIS WG chairs) | |
iSCSI | ||
iSCSI authenication methods registry | RFC 3720 | |
iSCSI digests registry | RFC 3720 | |
iSCSI extended key registry | RFC 3720 | |
SRP_GROUP key values | RFC 3720 | |
Kerberized Internet Negotiation of Keys (KINK) | ||
Error Codes | RFC 4430 Standards Action or non standards-track RFCs with Expert Review. (Though full specification may be a public and permanent document of a standards body other that the IETF, an RFC referring to it is needed). (Experts - Shoichi Sakane and Ken'ichi Kamada) | |
Message Types | RFC 4430 Standards Action or non standards-track RFCs with Expert Review. (Though full specification may be a public and permanent document of a standards body other that the IETF, an RFC referring to it is needed). (Experts - Shoichi Sakane and Ken'ichi Kamada) | |
Next Payload Types | RFC 4430 Standards Action or non standards-track RFCs with Expert Review. (Though full specification may be a public and permanent document of a standards body other that the IETF, an RFC referring to it is needed). (Experts - Shoichi Sakane and Ken'ichi Kamada) | |
Kerberos Parameters | ||
Checksum Type Numbers | RFC 3961 See: RFC3961 (expert-Ken Raeburn) | |
Encryption Type Numbers | RFC 3961 See: RFC3961 (expert-Ken Raeburn) | |
Kerberos TCP Extensions | RFC 5021 IESG Approval or Standards Action | |
Label Distribution Protocol (LDP) Name Spaces | ||
Experiment ID Name Space | RFC 3036 0x00000000 - 0xefffffff: FCFS 0xf0000000 - 0xffffffff: Private use (section 4.5) | |
Forwarding Equivalence Class (FEC) Type Name Space | RFC 3036 0-127: IETF consensus 128-191: FCFS 192-255: Private use (section 4.3) | |
Message Type Name Space | RFC 3036 0x0000-0x3DFF: IETF consensus 0x3E00-0x3EFF: Vendor private use 0x3F00-0x3EFF: Experimental use (section 4.1) | |
Status Code Name Space | RFC 3036 0x00000000-0x1FFFFFFF: IETF consensus 0x20000000 - 0x3EFFFFFF: FCFS 0x3F000000 - 0x3FFFFFFF: Private Use (section 4.4) | |
Table, Length, and Value (TLV) Type Name Space | RFC 3036 0x0000-0x3DFF: IETF consensus 0x3E00-0x3EFFF: Vendor private use 0x3F00-0x3EFF: Experimental use (section 4.1) | |
Language Tags | ||
Language Subtag Registry | RFC 4646 Expert Review (Experts - Michael Everson and Doug Ewell) | |
Language Subtag Registry - Registration Templates | RFC 4646 These are the Registration Templates only. | |
Language Tag Extensions Registry | RFC 4646 IESG Approval | |
Language Tags - OBSOLETE | RFC 4646 No further registrations in this registry. | |
Language Tags Directory - OBSOLETE | RFC 4646 No further registrations in this registry. | |
Layer Two Tunneling Protocol (L2TP) Parameters | ||
ATM Alarm Status AVP (Attribute Type 88) Values | RFC 4454 Circuit Status Reason values for the SLI message - Expert Review General ATM Alarm failures - Expert Review | |
ATM-Specific Sublayer bits | RFC 4454 IETF Consensus | |
Control Message AVP's | RFC 3438 Expert review (section 2.1) Carlos Pignataro (primary) Ron Da Silva (secondary) Ignacio Goyret (secondary) | |
Message Type AVP Values | RFC 3438 Expert Review (section 2.2) Carlos Pignataro (primary) Ron Da Silva (secondary) Ignacio Goyret (secondary) | |
Remaining Values | RFC 3438 Expert review (section 2.4) Carlos Pignataro (primary) Ron Da Silva (secondary) Ignacio Goyret (secondary) | |
Result Code AVP Values | RFC 3438 Expert review (section 2.3)Carlos Pignataro (primary) Ron Da Silva (secondary) Ignacio Goyret (secondary) | |
Lightweight Directory Access Protocol (LDAP) | ||
Attribute Description Options | RFC 4520 x- Private Use (can not be registered) e- Reserved for Experiments, First Come First Serve All others: Standards Action or Expert Review with Specification (Expert - Kurt Zeilenga) | |
Bind Authentication Method | RFC 4520 0-1023 Standards Action (can not start with e- or x-) 1024-4095 Expert Review with Specification Required (can not start with e- or x-)(Expert - Kurt Zeilenga) 4096-16383 First Come First Serve (Shall start with e-) 16384 and higher Private Use (Shall start with x-) | |
LDAP authzid prefixes | RFC 4520 x- Private Use e- Reserved for Experiments, First Come First Serve All others, Standards Action or Expert Review with Specification Required (Expert - Kurt Zeilenga) | |
LDAP Filter Choices | RFC 4520 Standards Action | |
LDAP ModifyRequest Operations | RFC 4520 0-1023 Standards Action (can not start with e- or x-) 1024-4095 Expert Review with Specification Required (can not start with e- or x-)(Expert - Kurt Zeilenga) 4096-16383 First Come First Serve (Shall start with e-) 16384 and higher Private Use (Shall start with x-) | |
LDAP Search Scopes | RFC 4520 0-1023 Standards Action (can not start with e- or x-) 1024-4095 Expert Review with Specification Required (can not start with e- or x-)(Expert - Kurt Zeilenga) 4096-16383 First Come First Serve (Shall start with e-) 16384 and higher Private Use (Shall start with x-) | |
LDAP Syntaxes | RFC 4520 First Come First Serve with Specification Required | |
LDAPMessage types | RFC 4520 Standards Action | |
Object Identifier Descriptors | RFC 4520 x- Private Use (can not be registered) e- Reserved for Experiments, First Come First Serve All others: Expert Review (Expert - Kurt Zeilenga) | |
pcimSchema LDAP Descriptors | RFC 3703 (tbd) | |
Protocol Mechanisms | RFC 4520 First Come First Serve | |
Result Code values | RFC 4520 0-1023 Standards Action (can not start with e- or x-) 1024-4095 Expert Review with Specification Required (can not start with e- or x-)(Expert - Kurt Zeilenga) 4096-16383 First Come First Serve (Shall start with e-) 16384 and higher Private Use (Shall start with x-) | |
Link Management Protocol (LMP) | ||
LMP Message Types | RFC 4204 21-127: Standards Action 128-247: Expert Review (Expert - Dimitri Papadimitriou) | |
LMP Object Class and Class Type (C-Type) | RFC 4204 See each individual type. (Expert - Dimitri Papadimitriou, if applicable) | |
Machine Names | ||
Machine Names | RFC (?) (?) | |
Mail Content Disposition Values and Parameters | ||
Handling Parameter Values | (?) | |
Mail Content Disposition Parameter Values | RFC (?) (?) | |
Mail Content Disposition Values | RFC (?) (?) | |
Mail Content Dispositon Parameters | RFC (?) (?) | |
Mail Parameters | ||
Address Literal Tags | RFC 2821 Standards Action | |
Diagnostic Types | RFC 1891 (?) | |
Mail Address Types | (?) | |
Mail Encoding Header Field Keywords | RFC 1505 Specification Required | |
Mail Encryption Types | (?) | |
Mail Service Types | RFC (?) (?) | |
Mail System Names | (?) | |
Mail Transmission Types | RFC 822 (?) (?) | |
MTA Name Types | RFC 1891 (?) | |
SMTP Service Extensions | RFC 1425 Standards Track RFC | |
Mangement Information Base (MIB) | ||
For all IANA maintained MIBs, please look under "IANA Maintained MIBs" | n/a | |
Other MIB related registries can be found at "Structure of Management Information (SMI) Numbers" | n/a | |
Media Feature Tags | ||
features.global-tree | RFC 2506 Expert Review (Expert - Larry Masinter) | |
features.ietf-tree | RFC 2506 IETF Consensus | |
features.sip-tree | RFC 3840 IETF Consensus | |
features.uri-tree | RFC 2506 Unregistered (formed from uri) | |
Media Gateway Control Protocol (MGCP) | ||
List of Extension Digit Map Letters | RFC 3435 Expert review (section C.1) (Expert-Brian Rosen) | |
LocalConnectionsOptions Sub-Registry | RFC 3435 Expert review (section C.3) (Expert-Brian Rosen) | |
MGCP Package Sub-Registry | RFC 3435 Expert review (section C.1) (Expert-Brian Rosen) | |
Megaco/H.248 Packages | ||
Error Codes | RFC 5125 Expert review or IETF consensus (Expert-Tom PT Taylor) | |
Private Packages | RFC 5125 Expert review or IETF consensus (Expert-Tom PT Taylor) | |
Profile Names | RFC 5125 Expert review or IETF consensus (Expert-Tom PT Taylor) | |
Public Packages | RFC 5125 Expert review or IETF consensus (Expert-Tom PT Taylor) | |
Service Change Reasons | RFC 5125 Expert review or IETF consensus (Expert-Tom PT Taylor) | |
Message Disposition Notification (MDN) Parameters | ||
MDN-Disposition-Modifier-Names | RFC 3798 (?) | |
MDN-Dispositon-Notification-Option Names | RFC 3798 (?) | |
MDN-Extension-Field-Names | RFC 3798 (?) | |
Message Header Fields | ||
Permanent Message Header Fields | RFC 3864 Expert Review (Graham Klyne) | |
Provisional Message Header Fields | RFC 3864 Expert Review (Graham Klyne) | |
Message Session Relay Protocol (MSRP) Parameters | ||
Header Fields | RFC 4975 RFC Publication | |
Methods | RFC 4975 RFC Publication | |
Status Codes | RFC 4975 RFC Publication | |
Message Tracking Query Protocol (MTQP) | ||
Options | RFC 3887 Options whose names do not begin with "vnd.": Standards track or IESG approved experimental RFC Options with "vnd.": First Come First Serve (?) | |
Milnet Parameters | ||
Milnet Parameters | RFC (?) (?) | |
Mobile Internet Protocol (IP) Numbers | ||
Code Values | RFC 3220 Expert review (Phil Roberts) | |
Code Values for Mobile IP Handoff Reply Messages | RFC 4881 IETF Consensus | |
Dynamic HA Extension subtypes | RFC 4433 IETF Consensus | |
FA Error Extension subtypes (value 45) | RFC 4636 Expert Review (Expert - Phil Roberts) | |
Generalized Link Layer Address Registration Extension Subtypes and Generalized Link Layer Address Advertisement Extension Subtypes | RFC 4881 IETF Consensus | |
Mobile Network Acknowledgement Extension | Internet Draft draft-ietf-mip4-nemo-v4-base-11 Standards Action or IESG Approval | |
User Datagram Protocol (UDP) Tunnel Reply Extension: Subtype | RFC 3519 Expert review. Also specification required. (section 8) (Expert-Phil Roberts) | |
User Datagram Protocol (UDP) Tunnel Request Extension: Subtype | RFC 3519 Expert review. Also specification required. (section 8) (Expert-Phil Roberts) | |
Mobile IPv6 | ||
Access Technology Type Option type values | Internet Draft draft-ietf-netlmm-proxymip6-18 Expert Review | |
Enumerating Algorithms | RFC 4285 IETF Consensus | |
Handoff Indicator Option type values | Internet Draft draft-ietf-netlmm-proxymip6-18 Expert Review | |
Mobile Node Identifier Option Subtypes | RFC 4283 Standards Action | |
Mobility Header Types | RFC 3775 Standards Action or IESG Approval | |
Mobility Options | RFC 3775 Standards Action or IESG Approval | |
Status Codes | RFC 3775 Standards Action or IESG Approval | |
Subtype field of the MN-HA and MN-AAA authentication mobility options | RFC 4285 IETF Consensus | |
Multicast Address (IPv4) | ||
Address Assignments/Allocations | RFC 3171 Expert review, IESG approval, or standards action process (Expert-Marshall Eubanks) http://www.iana.org/cgi-bin/multicast.pl | |
Multicast Address Dynamic Client Allocation Protocol (MADCAP) Parameters | ||
MADCAP Error Codes | RFC 2730 IETF consensus (section 5) | |
MADCAP Feature Codes | RFC 2730 IETF consensus (section 5) | |
MADCAP Lease Identifier Types | RFC 2730 IETF consensus | |
MADCAP Message Types | RFC 2730 IETF consensus | |
MADCAP Options | RFC 2730 IETF consensus (section 5) | |
Multicast Address-Set Claim (MASC) Protocol Parameters | ||
Message Types | RFC 2909 IETF consensus (section 15) | |
NOTIFICATION Message Error Codes and Subcodes | RFC 2909 IETF consensus (section 15) | |
OPEN Message Optional Parameter Types | RFC 2909 IETF consensus (section 15) | |
UPDATE Message Attribute Types | RFC 2909 IETF consensus (section 15) | |
UPDATE Message Optional Parameter Types | RFC 2909 IETF consensus (section 15) | |
Multicast Source Discovery Protocol (MSDP) | ||
TLV Values | RFC 3618 8-200: IESG Approval or Standards Action Process (section 19.1) 201-255: Experimental use (section 19.2) | |
Multimedia Internet KEYing (MIKEY) | ||
Key ID Types | RFC 4563 0-240 IETF Consensus, 241-255 Private Use | |
Payload Name Spaces | RFC 3830 0-240: IETF Consensus 241-255: Private Use Unless stated otherwise in Registry | |
Multiprotocol Label Switching Architecture (MPLS) | ||
Identifiers | RFC 3033 IETF consensus | |
Label Switched Paths (LSPs) Parameters - Message Types | RFC 4379 0-191 - Standards Action 192-251 - Specification Required (Experimental RFC needed) 252-255 - Vendor Private Use and MUST NOT be allocated | |
Label Switched Paths (LSPs) Parameters - Reply Modes | RFC 4379 0-191 - Standards Action 192-251 - Specification Required (Experimental RFC needed) 252-255 - Vendor Private Use and MUST NOT be allocated | |
Label Switched Paths (LSPs) Parameters - Return Codes | RFC 4379 0-191 - Standards Action 192-251 - Specification Required (Experimental RFC needed) 252-255 - Vendor Private Use and MUST NOT be allocated | |
Label Switched Paths (LSPs) Parameters - TLVs | RFC 4379 0-16383 and 32768-49161 - Standards Action 16384-31743 and 49162-64511 - Specification Required (Experimental RFC needed) 31744-32767 and 64512-65535 - Vendor Private Use, and MUST NOT be allocated | |
MPLS Label Values | RFC 3032 IETF consensus | |
Multipurpose Internet Mail Extensions (MIME) | ||
Access-Types | RFC 4289 Multiple registration procedures. See section 2 of RFC4289 | |
Event code registry for audio/telephone-event | RFC 4733 Specification Required and Expert Review (Expert - Tom Taylor) | |
Media Type Parameters | (?) | |
Media Type Sub-Parameters | RFC 3640 (?) | |
Media Types | RFC 4288, RFC 4855 Expert Review (Ned Freed) | |
Sub-parameter registry for application/mbox | RFC 4155 Specification Required | |
Sub-Parameter registry for audio/rtp-midi | RFC 4695 IETF Standards-Track Document or Specification Required (see individual sub-registries) | |
Sub-Parameter registry for mode=rtp-midi of audio/mpeg4-generic | RFC 4695 IETF Standards-Track Document or Specification Required (see individual sub-registries) | |
Sub-parameter registry for video/raw | RFC 4175 Specification Required (Values for the sampling and colorimetry parameters) | |
text/directory MIME Parameters | RFC 2425 Two week comment period, Expert review (Paul Hoffman) | |
text/directory MIME Profiles | RFC 2425 Two week comment period, expert review (Paul Hoffman) | |
text/directory MIME Types | RFC 2425 Two week comment period, Expert review (Paul Hoffman) | |
Namespace for IP Over IEEE 1394 | ||
Multicast Channel Allocation Protocol (MCAP) Parameters | RFC 2734 (?) | |
Values Registered for the Unit_SW_Version | RFC 2734 IANA allocation (section 10) | |
Network Configuration Protocol (NETCONF) | ||
Capability URNs | RFC 4741 IETF Standards Action | |
Network File System version 4 (NFSv4) Named Attributes | ||
Named Attributes | RFC 3530 Informational RFC (section 17.1) | |
Network News Transfer Protocol (NNTP) | ||
Network News Transfer Protocol (NNTP) Parameters | RFC 3977 Labels beginning with X are reserved for private use All others: Standards Track RFC or an IESG-approved experimental protocol | |
Next Hop Resolution Protocol (NHRP) Packet Types | ||
Extension Types | RFC 2332 Expert or area director review with documentation (section 9) (Expert-Jim Luciani) | |
Packet Types | RFC 2332 Expert or area director review with documentation (section 9) (Expert-Jim Luciani) | |
Novell Service Advisor Protocol (SAP) Numbers | ||
Novell Object Types | Not IETF IANA does not assign | |
One Time Password Parameters | ||
Algorithm Identifier | RFC 2289 (?) | |
Extension Set ID | RFC 2289 (?) (?) | |
Open Network Computing (ONC) Remote Procedure Call (RPC) | ||
Network Identifier (r_netid) | RFC 3530 Informational RFC (section17.2) | |
Protocol Family (r_nc_protofmly) | RFC 1833 ? | |
Protocol Name (r_nc_proto) | RFC 1833 ? | |
Transport Semantics (r_nc_semantics) | RFC 1833 ? | |
Open Shortest Path First (OSPF) | ||
Authentication Codes | RFC 1583 (?) (?) | |
Bandwidth Constraints Model Identifiers | RFC 4124 0-239 Specification Required 240-255 Private Use | |
Link Local Signalling TLV Identifiers (LLS Types) | RFC 4813 IETF Consensus | |
LLS Type 1 Extended Options | RFC 4813 IETF Consensus | |
Opaque Link-State Advertisements (LSA) Option Types | Internet Draft draft-ietf-ospf-rfc2370bis-05 0-127: IETF Consensus. 128-255: Reserved for Private Use. | |
OSPF Multi-Topology Routing | RFC 4915 3-31: IETF consensus | |
Signature Algorithms | RFC (?) (?) | |
Traffic Engineering TLVs | RFC 3630 3-32767: Standards Action (section 6) 332768-32777: Experimental use (section 6) 32778-65535: Standards Track RFC (section 6) | |
Open Shortest Path First v2 (OSPFv2) | ||
OSPF Packet Type | 0 Reserved, 1-127: Standards Action, 128-255 : Reserved | |
OSPF Router Information (RI) TLVs | RFC 4970 0 Reserved, 1-32767: Standards Action, 32768-32777: Experimentation, 32778-65535: Reserved | |
OSPF Router Informational Capability Bits | RFC 4970 Standards Action | |
OSPFv2 Grace LSA Top Level TLV | RFC 4940 0 Reserved, 1-255: Standards Action, 256-65519: Reserved, 65520-65527: Experimentation, 65528-65535: Vendor Private Use | |
OSPFv2 Link State (LS) Type | 0 Reserved, 1-127: Standards Action, 128-255: Reserved | |
OSPFv2 Options | RFC 4940 Standards Action | |
OSPFv2 Router LSA Link Type | RFC 4940 0 Reserved, 5-127: Standards Action, 128-255: Reserved | |
OSPFv2 Router Properties | RFC 4940 Standards Action | |
Open Shortest Path First v3 (OSPFv3) | ||
OSPFv3 LSA Function Codes | RFC 4970 0 Reserved, 1-255: Standards Action, 256-8175: Reserved, 8176-8183: Experimentation, 8184-8191: Vendor Private Use | |
OSPFv3 Options | RFC 4940 Standards Action | |
OSPFv3 Prefix Options | RFC 4940 Standards Action | |
OSPFv3 Router LSA Link Type | RFC 4940 0 Reserved, 1-127: Standards Action, 128-255: Reserved | |
OSPFv3 Router Properties Registry | Internet Draft draft-ietf-ospf-ospfv3-update-23 Standards Action | |
Open Systems Interconnection (OSI) Network Service Access Point Addresses (NSAPA) Internet Code Point | ||
OSI NSAPA Internet Code Point | Internet Draft draft-gray-1888bis-03 2-9999 IETF Consensus | |
Operating System Names | ||
Operating System Names | RFC 952 (?) (?) | |
Specific Parameters | RFC 3659 First Come First Serve | |
OPES Callout Protocol Core | ||
OCP Features | RFC 4037 Designated expert review for standards-track registration | |
Optimized Link State Routing Protocol (OLSR) | ||
Optimized Link State Routing Protocol (OLSR) | RFC 3626 5-127: Standards Action (section 22) 128-255: Reserved for Private/Local use. (section 22) | |
Per Hop Behavior Identification Codes | ||
ID Codes | RFC 3140 Expert or area director review (section 4) (Experts - Primary: Brian Carpenter; Secondary: David Black) | |
PKIX Parameters | ||
PKIX SRV Protocol Labels | RFC 4386 Specification Required | |
Point to Point Protocol (PPP) Numbers | ||
Bridging MAC Types | RFC (?) Expert review (Expert - Jim Carlson) | |
Internet Packet Exchange (IPX) Compression Protocol Values | RFC (?) Expert review (Expert - Jim Carlson) | |
Internet Packet Exchange (IPX) Routing Protocol Options | RFC (?) Expert review (Expert - Jim Carlson) | |
Internet Protocol (IP) Header Compression Configuration Option Suboption Types | RFC (?) (?) | |
Internetwork Packet Exchange Control Protocol (IPXCP) Configuration Options | RFC (?) Expert review (Expert - Jim Carlson) | |
IP Header Compression Configuration Option Suboption Types | RFC 3544 Standards Action Process (section 7) | |
IP-Compression-Protocol Types | RFC 1322 IETF Consensus | |
IP-Compression-Protocol Types | (?) | |
IPv6-Compression-Protocol | RFC 5172 IETF Consensus | |
Link Control Protocol (LCP) Callback Operation Fields | RFC (?) (?) | |
Multilink Endpoint Discriminator Class | RFC (?) (?) | |
NetBIOS Frames Control Protocol (NBFCP) Configuration Options | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Apple Talk Control Protocol (ATCP) Configuration Option Types | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Authentication Algorithms | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Banyan Vines Control Protocol (BVCP) Configuration Option Types | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Bridging Configuration Option Types | RFC (?) Expert Review (Expert - Jim Carlson) | |
PPP Bridging Spanning Tree | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Compression Control Protocol (CCP) Configuration Option Types | RFC (?) Expert Review (Expert - Jim Carlson) | |
PPP Data Link Layer (DLL) Protocol Numbers | (?) Expert review (Expert - Jim Carlson) | |
PPP Encryption Control Protocol (ECP) Configuration Option Types | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Extensible Authentication Protocol (EAP) Request/Response Types | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Internet Protocol Control Protocol (IPCP) Configuration Option Types | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP IPv6CP Configuration Options | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Link Control Protocol (LCP) Configuration Option Types | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Link Control Protocol (LCP) FCS Alternatives | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Link Control Protocol (LCP), Compression Control Protocol (CCP), and Internet Protocol Control (IPCP) Codes | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Numbers | RFC (?) (?) | |
PPP OSI Network Layer Control Protocol (OSINLCP) Configuration Option Types | RFC (?) Expert review (Expert - Jim Carlson) | |
PPP Vendor Specific Organizationally Unique Identifiers (OUI) Options | RFC (?) Expert review (Expert - Jim Carlson) | |
Robust Header Compression (ROHC) Configuratin Option Suboption Identifier Values | RFC 3241 See http://www.iana.org/assignments/rohc-sub-ids | |
Serial Data Control Protocol (SDCP) Configuration Options | RFC (?) Expert review (Expert - Jim Carlson) | |
Point-to-Point Over Ethernet (PPPoE) | ||
PPPoE Active Discovery Code fields | RFC 4937 First Come First Serve | |
PPPoE TAG Values | RFC 4937 First Come First Serve | |
Port Numbers | ||
System | RFC 2780 Specification Required | |
User | RFC 2780 IANA review | |
Post Office Protocol version 3 (POP3) Extension Mechanism | ||
POP3 Capabilities | RFC 2449 Standards track or IESG approved experimental RFC (section 9) | |
POP3 Response Codes | RFC 2449 RFC specification required (section 9) | |
Preemption Namespace Registry | ||
Preemption Namespaces | RFC 4411 Standards Track Document | |
Presence SRV Protocol | ||
Label Registry | RFC 3861 Specification Required | |
Pretty Good Privacy (PGP) | ||
Compression Algorithms | RFC 4880 IETF Consensus | |
Hash Algorithms | RFC 4880 IETF Consensus | |
Image Format Subpacket Types | RFC 4880 IETF Consensus | |
Implementation Features | RFC 4880 IETF Consensus | |
Key Flags Extensions | RFC 4880 IETF Consensus | |
Key Server Preference Extensions | RFC 4880 IETF Consensus | |
New Packet Versions | RFC 4880 IETF Consensus | |
PGP Packet Types/Tags | RFC 4880 IETF Consensus | |
PGP String-to-Key (S2K) | RFC 4880 IETF Consensus | |
PGP User Attribute Types | RFC 4880 IETF Consensus | |
Public Key Algorithms | RFC 4880 IETF Consensus | |
Reasons for Revocation Extensions | RFC 4880 IETF Consensus | |
Signature Notation Data Subpacket Types | RFC 4880 IESG Expert | |
Signature Subpacket Types | RFC 4880 IETF Consensus | |
Symetric Key Algorithms | RFC 4880 IETF Consensus | |
Printer Language Numbers | ||
Printer Language Numbers | RFC 1759 (?) Working group approval | |
Pronet 80 Type Numbers | ||
Pronet 80 Type Numbers | Not IETF Not assigned by IANA | |
Protocol for Carrying Authentication for Network Access (PANA) Parameters | ||
AVP Codes | RFC 5191 Expert Review with Specification Required, or Standards Action | |
AVP Flags | RFC 5191 Standards Action | |
Message Flags | RFC 5191 Standards Action | |
Message Types | RFC 5191 5-65519 IETF Consensus; 65520-65535 IANA does not assign, please see RFC3692. | |
Protocol Independent Multicast (PIM) | ||
Address Family Numbers | RFC 3973 0-127 Same meaning as Address Family Numbers 128-250 IESG Approval 251-255 Private Use | |
Hello Options | RFC 4601 FCFS (expire in 1 year) Permanenet assignments require a specification (specification required) | |
Protocol Names | ||
Protocol Names | RFC 952 (?) (Also Service Names) | |
Protocol Numbers | ||
Protocol Numbers | RFC 5237 Standards Action or IESG Approval | |
Proxy Certificate Policy | ||
Languages | RFC 3820 IETF Standards Action | |
Pseudowire Name Spaces (PWE3) | ||
Attachment Group Identifier (AGI) Type Registry | RFC 4446 2 through 64 - Expert Review (Experts - Stewart Bryant, Danny McPherson); 65 through 127, and 255 - IETF Consensus 128 through 254 - First Come First Serve (reserved for vendor proprietary extensions) | |
Attachment Individual Identifier Type Registry | RFC 4446 2 through 64 - Expert Review (Experts - Stewart Bryant, Danny McPherson); 65 through 127, and 255 - IETF Consensus 128 through 254 - First Come First Serve (reserved for vendor proprietary extensions) | |
MPLS Pseudowire Types Registry | RFC 4446 31 through 1024 - Expert Review (Experts - Stewart Bryant, Danny McPherson); 1025 through 4096, and 32767 - IETF Consensus 4097 through 32766 - First Come First Serve (reserved for vendor proprietary extensions) | |
Pseudowire Associated Channel Types Registry | RFC 4385 IETF Consensus | |
Pseudowire Interface Parameters Sub-TLV Type Registry | RFC 4446 13 through 64 - Expert Review (Experts - Stewart Bryant, Danny McPherson); 65 through 127, and 255 - IETF Consensus 128 through 254 - First Come First Serve (reserved for vendor proprietary extensions) | |
Pseudowire Status Codes Registry | RFC 4446 5 through 31 - Expert Review (Experts - Stewart Bryant, Danny McPherson) | |
Public Data Network Numbers | ||
14.0.0.0-14.000.255.255 | RFC 1356 (?) | |
Publisher Identification Codes | ||
Publisher ID Codes | RFC 2780 IANA does not assign | |
Radius Types | ||
Radius Attribute Types | RFC 3575 IETF Consensus | |
Radius Attribute Values | RFC 3575 Standards Action | |
Radius Packet Type Codes | RFC 3575 IESG Approval | |
Vendor ID's | RFC 2865 Obtain a Private Enterprise Number | |
Real Time Streaming Protocol (RTSP)/1.0 Parameters | ||
RTSP/1.0 Headers | RFC 2326 Standards Document, preferable an IETF RFC | |
RTSP/1.0 Methods | RFC 2326 IETF standard track document | |
RTSP/1.0 Option Tags | RFC 2326 Specification Required | |
RTSP/1.0 Status Codes | RFC 2326 IETF standards track document | |
Real-Time Transport Protocol (RTP) Parameters | ||
FMT Values for RTPFB and PSFB Payload Types | RFC 4585 2-30 Specification Required | |
Real-Time Transport Protocol (RTP) Payload Format media types | RFC 3551 Standards Action Process or expert approval (Expert-Steve Casner) | |
Real-Time Transport Protocol (RTP) Payload types (PT) for standard audio and video encodings | RFC 3551 Registry closed (section C) | |
Real-Time Transport Protocol (RTP) Profile Names | RFC 3550 Standards Action Process or expert approval (section D) (Expert-Steve Casner) | |
RTP RTCP Control Packet Types | RFC 3550 (?) | |
RTP SDES Item Types | RFC 3550 (?) | |
Realm Specific Internet Protocol (RSIP) Parameters | ||
Address Types | RFC 3103 Specification required (section 12) | |
Flow Policy | RFC 3103 Specification required (section 12) | |
RSIP Error Codes | RFC 3103 Specification required (section 12) | |
RSIP Message Type Codes | RFC 3103 Specification required (section 12) | |
RSIP Methods | RFC 3103 Specification required (section 12) | |
RSIP Parameters | RFC 3103 Specification required (section 12) | |
Tunnel Types | RFC 3103 Specification required (section 12) | |
Vendor ID | RFC 3103 Specification required (section 12) | |
Registrar Identification Codes | ||
Registrar ID Codes | Not defined by an RFC ICANN Accredited Registrars | |
Reliable Mutlicast Transport (RMT) FEC Encoding IDs and FEC Instance IDs | ||
Encoding IDs | RFC 5052 IETF Consensus | |
Instance IDs | RFC 5052 FCFS | |
Resource ReSerVation Protocol (RSVP) Parameters | ||
Class Names, Class Numbers, and Class Types | RFC 3936 Class-Num = 0bbbbbbb 0-119 Standards Action 120-123 Expert Review 124-127 Vendor Private Use Class-Num = 10bbbbbb 128-183 Standards Action 184-187 Expert Review 188-191 Vendor Private Use Class-Num = 11bbbbbb 192-247 Standards Action 248-251 Expert Review 252-255 Vendor Private Use For Class Numbers that pre-date RFC3936, new Class Types are assigned via Standards Action. (Experts - Primary: Francois Le Faucheur, Secondary: Dimitri Papadimitriou) | |
Error Codes and Values | RFC 3936 0-239 Standards Action 240-251 Expert Review 252-255 Vendor Private Use (Experts - Primary: Francois Le Faucheur, Secondary: Dimitri Papadimitriou) | |
Message Types | RFC 3936 0-239 Standards Action 240-255 Expert Review (Experts - Primary: Francois Le Faucheur, Secondary: Dimitri Papadimitriou) | |
Miscellaneous | RFC (?) (?) | |
Virtual Destination Ports | RFC 2207 0 Illegal Value 1-10 Reserved (Contact Authors) 11-8191 Assigned by IANA 8192-65535 Dynamic | |
RObust Header Compression (ROHC) | ||
Profile Identifiers | RFC 3095 0-127: Standards Track RFC 128-254: Other specs that meet this requirement such as an Informational RFC | |
Suboption Identifier Values | RFC 3241 Specification Required 0-127: IETF standards-track 128-254: Available for others | |
Route Distinguisher Types | ||
Type Values | RFC 4364 High-order bit of 0 - First Come First Serve High-order bit of 1 - IETF Consensus | |
Routing Information Protocol (RIP) Types | ||
Message Types | RFC 1723 (?) | |
RSVP TE Parameters | ||
Attributes Flags | RFC 4420 IETF Consensus | |
Attributes TLV Space | RFC 4420 IETF Consensus | |
Session Attribute Object Flags | RFC 4859 IETF Consensus | |
RTP Control Protocol Extended Reports (RTCP XR) | ||
Block Types | RFC 3611 Specification Required | |
SDP Parameters | RFC 3611 Specification Required | |
S-NAPTR Parameters | ||
Application Protocol Tags | RFC 3958 Specification Required in form of a RFC | |
Application Service Tags | RFC 3958 Specification Required in form of a RFC | |
Secure Shell (SSH) Protocol Parameters | ||
Authentication Method Names | RFC 4250 IETF Consensus | |
Channel Connection Failure Reason Codes and Descriptions | RFC 4250 0x00000005 through 0xFDFFFFFF - IETF CONSENSUS | |
Compression Algorithm Names | RFC 4250 IETF Consensus | |
Connection Protocol Assigned Names - Channel Request Names | RFC 4250 IETF Consensus | |
Connection Protocol Assigned Names - Channel Types | RFC 4250 IETF Consensus | |
Connection Protocol Assigned Names - Global Request Names | RFC 4250 IETF Consensus | |
Connection Protocol Assigned Names - Subsystem Names | RFC 4250 IETF Consensus | |
Disconnection Messages Reason Codes and Descriptions | RFC 4250 0x00000010 through 0xFDFFFFFF - IETF CONSENSUS | |
Encryption Algorithm Names | RFC 4250 IETF Consensus | |
Extended Channel Data Transfer data_type_code and Data | RFC 4250 IETF Consensus | |
Key Exchange Method Names | RFC 4250 IETF Consensus | |
MAC Algorithm Names | RFC 4250 IETF Consensus | |
Message Numbers | RFC 4250 STANDARDS ACTION | |
Pseudo-Terminal Encoded Terminal Modes | RFC 4250 IETF Consensus | |
Public Key Algorithm Names | RFC 4250 IETF Consensus | |
Publickey Subsystem Attributes | RFC 4819 IETF consensus | |
Publickey Subsystem Request Names | RFC 4819 IETF consensus | |
Publickey Subsystem Response Names | RFC 4819 IETF consensus | |
Publickey Subsystem Status Codes | RFC 4819 Standards Action | |
Service Names | RFC 4250 IETF Consensus | |
Signal Names | RFC 4250 IETF Consensus | |
SSH Public-Key File Header Tags | RFC 4716 IETF Consensus | |
Security Parameters Index | ||
SPI Values (other ranges?) | RFC 1826 RFC required (section 3.2) | |
Server Cache Synchronization Protocol (SCSP) Parameters | ||
Protocol ID's | RFC 2334 RFC, product of standards body, or expert review | |
Service Location Protocol Version 2 (SLPv2) Registrations | ||
Cryptographic BSD Codes | RFC 2608 IETF Consensus | |
Error Numbers | RFC 2608 IETF Standards Action | |
SLPv2 Function ID's | RFC 2608 12-255: IETF consensus | |
Service Names | ||
Service Names | (?) | |
Session Description Protocol (SDP) Parameters | ||
ack and nack Attribute Values | RFC 4585 First Come First Served with a permanent, stable, and publically accessible document | |
Codec Control Messages | RFC 5104 Specification Required | |
rtcp-fb Attribute Values | RFC 4585 First Come First Served with permanent, stable, and publically accessible document. | |
SDP Parameters addrtype | RFC 4566 RFC | |
SDP Parameters att-field (both session and media level) | RFC 4566 Specification Required | |
SDP Parameters att-field (media level only) | RFC 4566 Specification Required | |
SDP Parameters att-field (session level) | RFC 4566 Specification Required | |
SDP Parameters att-field (unknown level) | RFC 4566 Specification Required | |
SDP Parameters bwtype | RFC 4566 Standards-Track RFC | |
SDP Parameters content | RFC 4796 Specification Required | |
SDP Parameters enckey | RFC 4566 REGISTRY OBSOLETED - No further registrations accepted | |
SDP Parameters nettype | RFC 4566 RFC | |
SDP Parameters proto | RFC 4566 RFC (Standards-Track preferred) | |
SDP/RTSP key management protocol identifiers | RFC 4567 Specification Required | |
Semantics for the "group" SDP Attribute | RFC 3388 Standards track document | |
Session Initiation Protocol (SIP) Event Types Namespace | ||
Event Packages | RFC 3427 Informational RFC approved by the IESG | |
Event Template Packages | RFC 3427 Standards Track RFC | |
Session Initiation Protocol (SIP) Parameters | ||
Header Fields | RFC 3261, RFC 3427 RFC publication (section 27.3) | |
Methods and Response Codes | RFC 3261, RFC 3427 RFC publication (section 27.4) | |
Security Mechanism Names | RFC 3329 IETF consensus (section 6) | |
SIP Table of Mappings From Service Field Values to Transport Protocols | RFC 3263 Publication of standards track RFC (section 9) | |
Warning Codes | RFC 3261, RFC 3427 RFC publication (section 27.4) | |
Session Initiation Protocol (SIP) Parameters | ||
Header Field Parameters and Parameter Values | RFC 3968 IETF Consensus (in the form of a RFC - No requirement that it be standards-track) | |
Identity-Info Algorithm Parameter Values | RFC 4474 Standards Track RFC | |
Identity-Info Parameters | RFC 4474 Standards Track RFC | |
Option Tags | RFC 3261, RFC 3427 Publication of standards track (section 27.1) | |
Precondition Types used with SIP | RFC 3312 Publication of standards track RFC (section 15) | |
Reason Protocols | RFC 3326 Reason protocols MUST refer to either an ITU-T recommendation number, an IETF protocol name, or the recognized protocol identifier from another standardization organization (section 4) | |
Registry for the SIP SRV Resource Record Services Field | RFC 3263 Standards Track RFC | |
SIP/SIPS URI Parameters | RFC 3969 Specification Required | |
Session Initiation Protocol (SIP) Privacy Header Values | ||
Header Values | RFC 3323 RFC's approved by the SIP working group (section 7) | |
Sieve Extensions | ||
Extensions | RFC 5228 Standards track or IESG approved experimental RFC | |
Notification Mechanisms | Internet Draft draft-ietf-sieve-notify-12 Vendor-controlled: First Come First Served. IETF-controlled: Specification Required. | |
Notification-Capability Parameters | Internet Draft draft-ietf-sieve-notify-12 Vendor-controlled: First Come First Served. IETF-controlled: Specification Required. | |
Sieve Environment Items | RFC 5183 First Come, First Served if item name begins with "vnd." All others require standards track or experimental RFC. | |
SIG | ||
SIG (0) Algorithm Numbers | Internet Draft draft-ietf-dnsext-dnssec-2535typecode-chan (tbd) | |
Signaling Compression (SigComp) | ||
Namespace | RFC 3320 Standards Track RFC approved by the IESG | |
Signaling User Adaptation Layer Assignments | ||
Message Classes | RFC 3331, RFC 4666 IETF consensus action (section 8.2) | |
Message Parameters | RFC 3331, RFC 4666 IETF consensus action (section 8.2) | |
Message Types | RFC 3331, RFC 4666 IETF consensus action (section 8.2) | |
Simple Authentication and Security Layer (SASL) Mechanisms | ||
SASL Mechanisms | RFC 4422 First Come First Serve for Mechanisms Expert Review with Mailing List for Family Name Registrations (Expert - Simon Josefsson) | |
Simple Gateway Monitoring Protocol (SGMP) Vendor Specific Codes | ||
SGMP Vendor Specific Codes (Obsolete) | RFC 1028 (?) No further registrations | |
Simple Mail Transfer Protocol (SMTP) Enhanced Status Codes | ||
Class Sub-Codes | Internet Draft draft-hansen-4468upd-mailesc-registry-05.t Specification Required | |
Enumerated Status Codes | Internet Draft draft-hansen-4468upd-mailesc-registry-05.t Specification Required | |
Status Sub-Codes | Internet Draft draft-hansen-4468upd-mailesc-registry-05.t Specification Required | |
Simple Mail Transfer Protocol (SMTP) Service Extensions | ||
Keywords | RFC 1869 Standards track RFC or a document defining an IESG approved experimental protocol | |
Simple Network Management Protocol (SNMP) Number Spaces | ||
Message Processing Models | RFC 3411 Standards track document (section 6.2) | |
Security Models | RFC 3411 Standards track document (section 6.1) | |
snmpAuthProtocols | RFC 3411 Standards Track document | |
SnmpEngineID Formats | RFC 3411 Standards track document (section 6.3) | |
snmpPrivProtocols | RFC 3411 Standards Track document | |
Snoop | ||
Datalink Types | RFC 3827 FCFS (26 and above) (10-15 and 19-25 Reserved) | |
SOCKS Methods | ||
SOCKS Method Values | RFC 1928 Not Defined | |
Special Peoples Number Registry (SPNR) | ||
Special Peoples Number Registry (SPNR) | n/a Not an IETF Registry. Contact IANA. | |
Stream Control Transmission Protocol (SCTP) Parameters | ||
Adaptation Code Points | RFC 5061 IETF Consensus | |
Cause Codes | RFC 2960 Specification required action (section 13.3) | |
Chunk Parameter Types | RFC 2960 IETF consensus action (section 13.2) | |
Chunk Types | RFC 2960 IETF consensus action (section 13.1) | |
HMAC IDENTIFIERS | RFC 4895 IETF Consensus | |
SCTP Payload Protocol Identifiers | RFC 2960 FCFS (section 13.4) | |
Stringprep Profiles | ||
Profile Names | RFC 3454 IETF consensus (section 10) | |
Structure of Management Information (SMI) Numbers | ||
Experimental Numbers | (?) | |
ifType definitions | (?) | |
Message Processing Models | RFC 3411 Please look under Simple Network Management Protocol (SNMP) Number Spaces | |
mib-2 Numbers | RFC 1213, RFC 2578 RFC Required | |
Misc Parameters | (?) | |
mplsStdMIB (SIC) | RFC 4802 Standard Action section 11.2.1 | |
Security Models | RFC 3411 Please look under Simple Network Management Protocol (SNMP) Number Spaces | |
SMI Security for Mechanism msec Codes | (?) IETF Consensus | |
SMI Security for Mechanism msec content-types | RFC 4534 IETF Consensus | |
SMI Security for Mechanism msec data-policies | RFC 4534 IETF Consensus | |
SMI Security for Mechanism msec distributed-operations-methods | RFC 4534 IETF Consensus | |
SMI Security for Mechanism msec module-identifers | RFC 4534 IETF Consensus | |
SMI Security for Mechanism msec protocol-identifiers | RFC 4534 IETF Consensus | |
SMI Security for Mechanism msec rekey-methods | RFC 4534 IETF Consensus | |
SMI Security for Mechanism msec rekey-reliability-methods | RFC 4534 IETF Consensus | |
SMI Security for Mechanism msec security-suites | RFC 4534 IETF Consensus | |
spdActions | RFC 4807 Specification Required and Expert Review (Expert - Wes Hardaker) | |
Transmission Numbers | RFC 1213 Specification Required | |
Structured Data Exchange Format (SDXF) Parameters | ||
Compression Methods for SDXF | RFC 3072 RFC or equivalent (section 12.3) | |
Encryption Methods for SDXF | RFC 3072 RFC or equivalent (section 12.3) | |
Subsequent Address Family Identifier (SAFI) Parameters | ||
SAFI Values | RFC 4760 4 - 63: Standards Action or Early Allocation policy; 64 - 127: First Come First Served; 128 - 240: Some recognized assignments (see registry), others Reserved; 241 - 254: Private Use (not to be assigned) | |
SUN Remote Procedure Call (RPC) Numbers | ||
SUN RPC Numbers | RFC 1057 (?) IANA does not assign. Republication of values only. | |
SVRLOC Extensions | ||
Service Extensions | RFC 2608 Expert review (Expert-Erik Guttman) | |
SVRLOC Templates | ||
Service Templates | RFC 2609 Expert review (section 5) (Expert-Erik Guttman) | |
Syslog Parameters | ||
Syslog Message Severities | RFC 3164 FCFS (?) | |
Sysolg Message Facilities | RFC 3164 FCFS (?) | |
Telephony Routing over IP (TRIP) Parameters | ||
TRIP Address Families | RFC 3219 Expert review (section 13.3) (Expert - Jonathan Rosenberg) | |
TRIP Application Protocols | RFC 3219 Expert review (section 13.4) (Expert - Jonathan Rosenberg) | |
TRIP Attributes | RFC 3219 Specification Required (section 13.2) | |
TRIP Capabilities | RFC 3219 Specification Required (section 13.1) | |
TRIP IP Telephony Administrative Domain (ITAD) Numbers | RFC 3219 FCFS (section 13.5) | |
Telnet Options | ||
Options | RFC 855 IETF Consensus | |
Sub-options | RFC 855 IETF Consensus | |
Terminal Type Names | ||
Terminal Type Names | RFC 930 (?) or RFC 1091 (?) (?) | |
Timed Efficient Stream Loss-tolerant Authentication (TESLA) Parameters | ||
TESLA-MAC Values | RFC 4442 Expert Review by the MSEC working group or its designated successor | |
TESLA-PRF Values | RFC 4442 Expert Review by the MSEC working group or its designated successor | |
Transfer Encodings | ||
Transfer Encoding Names | RFC 4289 Standards track RFC (section 3.3) | |
Transmission Control Protocol (TCP) Header Flags | ||
Header Flags | RFC 2780, RFC 3168 Standards action process | |
Transmission Control Protocol (TCP) Parameters | ||
TCP Alternate Checksum Numbers | RFC (?) (?) | |
TCP Option Numbers | RFC 2780 IESG Approval or Standards Action | |
Transport Layer Security (TLS) | ||
Alert Registry | Internet Draft draft-ietf-tls-rfc4346-bis-10 Standards Action | |
Certificate Types | RFC 5081 IETF Consensus | |
Cipher Suite Registry | Internet Draft draft-ietf-tls-rfc4346-bis-10 First byte in range 0-191 (decimal) Standards Action, First byte in range 192-254 (decimal) Specification Required, First byte in range 255 (decimal) Private Use | |
ClientCertificateType Identifiers Registry | Internet Draft draft-ietf-tls-rfc4346-bis-10 0-63 Standards Action 64-223 Specification Required 224-255 Private Use | |
Compression Method Identifiers | RFC 3749 0-63: Standards Action 64-223: Specification Required 224-255: Private Use | |
ContentType Registry | Internet Draft draft-ietf-tls-rfc4346-bis-10 Standards Action | |
EC Curve Type Registry | Internet Draft draft-ietf-tls-ecc-12 IETF Consensus | |
EC Named Curve Registry | Internet Draft draft-ietf-tls-ecc-12 IETF Consensus | |
EC Point Format Registry | Internet Draft draft-ietf-tls-ecc-12 IETF Consensus | |
ExtensionType Values | Internet Draft draft-ietf-tls-rfc4346-bis-10 IETF Consensus | |
HandshakeType Registry | Internet Draft draft-ietf-tls-rfc4346-bis-10 Standards Action | |
HashAlgorithm Registry | Internet Draft draft-ietf-tls-rfc4346-bis-10 0-63 Standards Action, 64-223 Specification Required, 224-255 Reserved for Private Use | |
SignatureAlgorithm Registry | Internet Draft draft-ietf-tls-rfc4346-bis-10 0-63 Standards Action, 64-223 Specification Required, 224-255 Reserved for Private Use | |
TLS Supplemental Data Formats (SupplementalDataType) | Internet Draft draft-santesson-tls-supp-02 0-16385 Standards Action, 16386-65279 IETF Consensus, 65280-65535 Private Use | |
TLS UserMappingType Values | Internet Draft draft-santesson-tls-ume-07 0-63 Standards Action, 64-223 Specification Required, 224-255 Private Use | |
TSIG Algorithm Names | ||
Algorithm Names | RFC 2845 IETF consensus policy (section 7) | |
Undirectional Lightweight Encapsulation (ULE) | ||
Next-Header Registry | RFC 4326 0-255: Expert review or RFC Required (Expert - Gorry Fairhurst) 256-511: Expert review or RFC Required (Expert - Gorry Fairhurst) | |
Uniform Resource Identifier (URI) Schemes | ||
URI Schemes | RFC 4395 Expert Review (Graham Klyne) | |
Uniform Resource Names (URN) | ||
Formal Namespaces | RFC 3406 IETF consensus action | |
Informal Namespace Templates | RFC 3406 | |
Informal Namespaces | RFC 3406 Two week review period on urn-nid discussion list (expert-Leslie Daigle), then FCFS | |
Service URN Labels | RFC 5031 Standards Action | |
VCDIFF Secondary Compressor ID Values | ||
VCDIFF Secondary Compressor ID Values | RFC 3284 RFC or peer-reviewed permanent and readily available reference. Subject to the above, name assignments are FCFS. (section 15) | |
Version Numbers | ||
Version Numbers | RFC 2780 (section 3) (?) IETF standards action | |
Version Symbols Used Within the Integrated Services User Port (ISUP) and QSIG | ||
Application/ISUP Symbols | RFC 3204 Expert review (section 6) (experts - Primary: Jon Peterson, Secondary: Mark Watson) | |
Application/QSIG Symbols | RFC 3204 Expert review (section 6) (experts - Primary: Jon Peterson, Secondary: Mark Watson) | |
WAVE and AVI Codec Registries | ||
WAVE and AVI Codes Registries (Historic Registry) | RFC 2361 IANA does not assign. Republication of values. (section 3) | |
X.25 Type Numbers | ||
X.25 Type Numbers | Not defined by an RFC IANA does not assign. Republication of values only. | |
Xerox Network System (XNS) Protocol Types | ||
Assigned Internet Packet Types | Not defined by an RFC IANA does not assign. Republication of values only. | |
Assigned Well-Known Socket Numbers | Not defined by an RFC IANA does not assign. Republication of values only. | |
XML - Extensible Markup Language | ||
IETF XML Registry | RFC 3688 First Come First Serve, with Specification Required | |
XML-XCAP Application Unique IDs | RFC 4825 Standards Track RFC |