| 2818 | HTTP Over TLSE. Rescorla · obsoleted by RFC 9110 | Informational | May 2000 |
| 3748 | Extensible Authentication Protocol (EAP)B. Aboba, L. Blunk, J. Vollbrecht, J. Carlson, H. Levkowetz, Ed. | Proposed Standard | June 2004 |
| 3756 | IPv6 Neighbor Discovery (ND) Trust Models and ThreatsP. Nikander, Ed., J. Kempf, E. Nordmark | Informational | May 2004 |
| 3833 | Threat Analysis of the Domain Name System (DNS)D. Atkins, R. Austein | Informational | August 2004 |
| 4016 | Protocol for Carrying Authentication and Network Access (PANA) Threat Analysis and Security RequirementsM. Parthasarathy | Informational | March 2005 |
| 4108 | Using Cryptographic Message Syntax (CMS) to Protect Firmware PackagesR. Housley | Proposed Standard | August 2005 |
| 4120 | The Kerberos Network Authentication Service (V5)C. Neuman, T. Yu, S. Hartman, K. Raeburn | Proposed Standard | July 2005 |
| 4422 | Simple Authentication and Security Layer (SASL)A. Melnikov, Ed., K. Zeilenga, Ed. | Proposed Standard | June 2006 |
| 4555 | IKEv2 Mobility and Multihoming Protocol (MOBIKE)P. Eronen | Proposed Standard | June 2006 |
| 4621 | Design of the IKEv2 Mobility and Multihoming (MOBIKE) ProtocolT. Kivinen, H. Tschofenig | Informational | August 2006 |
| 4738 | MIKEY-RSA-R: An Additional Mode of Key Distribution in Multimedia Internet KEYing (MIKEY)D. Ignjatic, L. Dondeti, F. Audet, P. Lin | Proposed Standard | November 2006 |
| 4919 | IPv6 over Low-Power Wireless Personal Area Networks (6LoWPANs): Overview, Assumptions, Problem Statement, and GoalsN. Kushalnagar, G. Montenegro, C. Schumacher | Informational | August 2007 |
| 4944 | Transmission of IPv6 Packets over IEEE 802.15.4 NetworksG. Montenegro, N. Kushalnagar, J. Hui, D. Culler | Proposed Standard | September 2007 |
| 5191 | Protocol for Carrying Authentication for Network Access (PANA)D. Forsberg, Y. Ohba, Ed., B. Patil, H. Tschofenig, A. Yegin | Proposed Standard | May 2008 |
| 5652 | Cryptographic Message Syntax (CMS)R. Housley | Internet Standard | September 2009 |
| 5713 | Security Threats and Security Requirements for the Access Node Control Protocol (ANCP)H. Moustafa, H. Tschofenig, S. De Cnodder | Informational | January 2010 |
| 5903 | Elliptic Curve Groups modulo a Prime (ECP Groups) for IKE and IKEv2D. Fu, J. Solinas | Informational | June 2010 |
| 6024 | Trust Anchor Management RequirementsR. Reddy, C. Wallace | Informational | October 2010 |
| 6272 | Internet Protocols for the Smart GridF. Baker, D. Meyer | Informational | June 2011 |
| 6347 | Datagram Transport Layer Security Version 1.2E. Rescorla, N. Modadugu · obsoleted by RFC 9147 | Proposed Standard | January 2012 |
| 6550 | RPL: IPv6 Routing Protocol for Low-Power and Lossy NetworksT. Winter, Ed., P. Thubert, Ed., A. Brandt, J. Hui, R. Kelsey, P. Levis, K. Pister, R. Struik, JP. Vasseur, R. Alexander | Proposed Standard | March 2012 |
| 6551 | Routing Metrics Used for Path Calculation in Low-Power and Lossy NetworksJP. Vasseur, Ed., M. Kim, Ed., K. Pister, N. Dejean, D. Barthel | Proposed Standard | March 2012 |
| 6568 | Design and Application Spaces for IPv6 over Low-Power Wireless Personal Area Networks (6LoWPANs)E. Kim, D. Kaspar, JP. Vasseur | Informational | April 2012 |
| 6690 | Constrained RESTful Environments (CoRE) Link FormatZ. Shelby | Proposed Standard | August 2012 |
| 6749 | The OAuth 2.0 Authorization FrameworkD. Hardt, Ed. | Proposed Standard | October 2012 |
| 6973 | Privacy Considerations for Internet ProtocolsA. Cooper, H. Tschofenig, B. Aboba, J. Peterson, J. Morris, M. Hansen, R. Smith | Informational | July 2013 |
| 7049 | Concise Binary Object Representation (CBOR)C. Bormann, P. Hoffman · obsoleted by RFC 8949 | Proposed Standard | October 2013 |
| 7228 | Terminology for Constrained-Node NetworksC. Bormann, M. Ersue, A. Keranen | Informational | May 2014 |
| 7252 | The Constrained Application Protocol (CoAP)Z. Shelby, K. Hartke, C. Bormann | Proposed Standard | June 2014 |
| 7296 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen, T. Kivinen | Internet Standard | October 2014 |
| 7390 | Group Communication for the Constrained Application Protocol (CoAP)A. Rahman, Ed., E. Dijk, Ed. | Experimental | October 2014 |
| 7401 | Host Identity Protocol Version 2 (HIPv2)R. Moskowitz, Ed., T. Heer, P. Jokela, T. Henderson | Proposed Standard | April 2015 |
| 7515 | JSON Web Signature (JWS)M. Jones, J. Bradley, N. Sakimura | Proposed Standard | May 2015 |
| 7516 | JSON Web Encryption (JWE)M. Jones, J. Hildebrand | Proposed Standard | May 2015 |
| 7517 | JSON Web Key (JWK)M. Jones | Proposed Standard | May 2015 |
| 7519 | JSON Web Token (JWT)M. Jones, J. Bradley, N. Sakimura | Proposed Standard | May 2015 |
| 7520 | Examples of Protecting Content Using JSON Object Signing and Encryption (JOSE)M. Miller | Informational | May 2015 |
| 7668 | IPv6 over BLUETOOTH(R) Low EnergyJ. Nieminen, T. Savolainen, M. Isomaki, B. Patil, Z. Shelby, C. Gomez | Proposed Standard | October 2015 |
| 7696 | Guidelines for Cryptographic Algorithm Agility and Selecting Mandatory-to-Implement AlgorithmsR. Housley | Best Current Practice | November 2015 |
| 7744 | Use Cases for Authentication and Authorization in Constrained EnvironmentsL. Seitz, Ed., S. Gerdes, Ed., G. Selander, M. Mani, S. Kumar | Informational | January 2016 |
| 7815 | Minimal Internet Key Exchange Version 2 (IKEv2) Initiator ImplementationT. Kivinen | Informational | March 2016 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7925 | Transport Layer Security (TLS) / Datagram Transport Layer Security (DTLS) Profiles for the Internet of ThingsH. Tschofenig, Ed., T. Fossati | Proposed Standard | July 2016 |
| 8046 | Host Mobility with the Host Identity ProtocolT. Henderson, Ed., C. Vogt, J. Arkko | Proposed Standard | February 2017 |
| 8105 | Transmission of IPv6 Packets over Digital Enhanced Cordless Telecommunications (DECT) Ultra Low Energy (ULE)P. Mariager, J. Petersen, Ed., Z. Shelby, M. Van de Logt, D. Barthel | Proposed Standard | May 2017 |
| 8152 | CBOR Object Signing and Encryption (COSE)J. Schaad · obsoleted by RFC 9052, RFC 9053 | Proposed Standard | July 2017 |
| 8240 | Report from the Internet of Things Software Update (IoTSU) Workshop 2016H. Tschofenig, S. Farrell | Informational | September 2017 |
| 8259 | The JavaScript Object Notation (JSON) Data Interchange FormatT. Bray, Ed. | Internet Standard | December 2017 |
| 8376 | Low-Power Wide Area Network (LPWAN) OverviewS. Farrell, Ed. | Informational | May 2018 |
| 8387 | Practical Considerations and Implementation Experiences in Securing Smart Object NetworksM. Sethi, J. Arkko, A. Keranen, H. Back | Informational | May 2018 |
| 8428 | Sensor Measurement Lists (SenML)C. Jennings, Z. Shelby, J. Arkko, A. Keranen, C. Bormann | Proposed Standard | August 2018 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8520 | Manufacturer Usage Description SpecificationE. Lear, R. Droms, D. Romascanu | Proposed Standard | March 2019 |