| 9582 | A Profile for Route Origin Authorizations (ROAs)J. Snijders, B. Maddison, M. Lepinski, D. Kong, S. Kent | Proposed Standard | May 2024 |
| 9286 | Manifests for the Resource Public Key Infrastructure (RPKI)R. Austein, G. Huston, S. Kent, M. Lepinski | Proposed Standard | June 2022 |
| 8897 | Requirements for Resource Public Key Infrastructure (RPKI) Relying PartiesD. Ma, S. Kent | Informational | September 2020 |
| 8630 | Resource Public Key Infrastructure (RPKI) Trust Anchor LocatorG. Huston, S. Weiler, G. Michaelson, S. Kent, T. Bruijnzeels | Proposed Standard | August 2019 |
| 8211 | Adverse Actions by a Certification Authority (CA) or Repository Manager in the Resource Public Key Infrastructure (RPKI)S. Kent, D. Ma | Informational | September 2017 |
| 8209 | A Profile for BGPsec Router Certificates, Certificate Revocation Lists, and Certification RequestsM. Reynolds, S. Turner, S. Kent | Proposed Standard | September 2017 |
| 7730 | Resource Public Key Infrastructure (RPKI) Trust Anchor LocatorG. Huston, S. Weiler, G. Michaelson, S. Kent · obsoleted by RFC 8630 | Proposed Standard | January 2016 |
| 7382 | Template for a Certification Practice Statement (CPS) for the Resource PKI (RPKI)S. Kent, D. Kong, K. Seo | Best Current Practice | April 2015 |
| 7132 | Threat Model for BGP Path SecurityS. Kent, A. Chi | Informational | February 2014 |
| 7093 | Additional Methods for Generating Key Identifiers ValuesS. Turner, S. Kent, J. Manger | Informational | December 2013 |
| 6919 | Further Key Words for Use in RFCs to Indicate Requirement LevelsR. Barnes, S. Kent, E. Rescorla | Experimental | 1 April 2013 |
| 6916 | Algorithm Agility Procedure for the Resource Public Key Infrastructure (RPKI)R. Gagliano, S. Kent, S. Turner | Best Current Practice | April 2013 |
| 6491 | Resource Public Key Infrastructure (RPKI) Objects Issued by IANAT. Manderson, L. Vegoda, S. Kent | Proposed Standard | February 2012 |
| 6490 | Resource Public Key Infrastructure (RPKI) Trust Anchor LocatorG. Huston, S. Weiler, G. Michaelson, S. Kent · obsoleted by RFC 7730 | Proposed Standard | February 2012 |
| 6489 | Certification Authority (CA) Key Rollover in the Resource Public Key Infrastructure (RPKI)G. Huston, G. Michaelson, S. Kent | Best Current Practice | February 2012 |
| 6488 | Signed Object Template for the Resource Public Key Infrastructure (RPKI)M. Lepinski, A. Chi, S. Kent | Proposed Standard | February 2012 |
| 6486 | Manifests for the Resource Public Key Infrastructure (RPKI)R. Austein, G. Huston, S. Kent, M. Lepinski · obsoleted by RFC 9286 | Proposed Standard | February 2012 |
| 6484 | Certificate Policy (CP) for the Resource Public Key Infrastructure (RPKI)S. Kent, D. Kong, K. Seo, R. Watro | Best Current Practice | February 2012 |
| 6482 | A Profile for Route Origin Authorizations (ROAs)M. Lepinski, S. Kent, D. Kong · obsoleted by RFC 9582 | Proposed Standard | February 2012 |
| 6480 | An Infrastructure to Support Secure Internet RoutingM. Lepinski, S. Kent | Informational | February 2012 |
| 5636 | Traceable Anonymous CertificateS. Park, H. Park, Y. Won, J. Lee, S. Kent | Experimental | August 2009 |
| 5114 | Additional Diffie-Hellman Groups for Use with IETF StandardsM. Lepinski, S. Kent | Informational | January 2008 |
| 4304 | Extended Sequence Number (ESN) Addendum to IPsec Domain of Interpretation (DOI) for Internet Security Association and Key Management Protocol (ISAKMP)S. Kent | Proposed Standard | December 2005 |
| 4303 | IP Encapsulating Security Payload (ESP)S. Kent | Proposed Standard | December 2005 |
| 4302 | IP Authentication HeaderS. Kent | Proposed Standard | December 2005 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 3779 | X.509 Extensions for IP Addresses and AS IdentifiersC. Lynn, S. Kent, K. Seo | Proposed Standard | June 2004 |
| 2410 | The NULL Encryption Algorithm and Its Use With IPsecR. Glenn, S. Kent | Proposed Standard | November 1998 |
| 2406 | IP Encapsulating Security Payload (ESP)S. Kent, R. Atkinson · obsoleted by RFC 4303, RFC 4305 | Proposed Standard | November 1998 |
| 2402 | IP Authentication HeaderS. Kent, R. Atkinson · obsoleted by RFC 4302, RFC 4305 | Proposed Standard | November 1998 |
| 2401 | Security Architecture for the Internet ProtocolS. Kent, R. Atkinson · obsoleted by RFC 4301 | Proposed Standard | November 1998 |
| 1430 | A Strategic Plan for Deploying an Internet X.500 Directory ServiceS. Hardcastle-Kille, E. Huizer, V. Cerf, R. Hobby, S. Kent | Informational | February 1993 |
| 1422 | Privacy Enhancement for Internet Electronic Mail: Part II: Certificate-Based Key ManagementS. Kent | Historic | February 1993 |
| 1108 | U.S. Department of Defense Security Options for the Internet ProtocolS. Kent | Historic | November 1991 |