| 9934 | Privacy-Enhanced Mail (PEM) File Format for Encrypted ClientHello (ECH)S. Farrell | Proposed Standard | March 2026 |
| 9446 | Reflections on Ten Years Past the Snowden RevelationsS. Farrell, F. Badii, B. Schneier, S. M. Bellovin | Informational | July 2023 |
| 9075 | Report from the IAB COVID-19 Network Impacts Workshop 2020J. Arkko, S. Farrell, M. Kühlewind, C. Perkins | Informational | July 2021 |
| 8997 | Deprecation of TLS 1.1 for Email Submission and AccessL. Velvindron, S. Farrell | Proposed Standard | March 2021 |
| 8996 | Deprecating TLS 1.0 and TLS 1.1K. Moriarty, S. Farrell | Best Current Practice | March 2021 |
| 8989 | Additional Criteria for Nominating Committee EligibilityB. Carpenter, S. Farrell · obsoleted by RFC 9389 | Experimental | February 2021 |
| 8376 | Low-Power Wide Area Network (LPWAN) OverviewS. Farrell, Ed. | Informational | May 2018 |
| 8240 | Report from the Internet of Things Software Update (IoTSU) Workshop 2016H. Tschofenig, S. Farrell | Informational | September 2017 |
| 7687 | Report from the Strengthening the Internet (STRINT) WorkshopS. Farrell, R. Wenning, B. Bos, M. Blanchet, H. Tschofenig | Informational | December 2015 |
| 7486 | HTTP Origin-Bound Authentication (HOBA)S. Farrell, P. Hoffman, M. Thomas | Experimental | March 2015 |
| 7258 | Pervasive Monitoring Is an AttackS. Farrell, H. Tschofenig | Best Current Practice | May 2014 |
| 6920 | Naming Things with HashesS. Farrell, D. Kutscher, C. Dannewitz, B. Ohlman, A. Keranen, P. Hallam-Baker | Proposed Standard | April 2013 |
| 6257 | Bundle Security Protocol SpecificationS. Symington, S. Farrell, H. Weiss, P. Lovell | Experimental | May 2011 |
| 5755 | An Internet Attribute Certificate Profile for AuthorizationS. Farrell, R. Housley, S. Turner | Proposed Standard | January 2010 |
| 5697 | Other Certificates ExtensionS. Farrell | Experimental | November 2009 |
| 5327 | Licklider Transmission Protocol - Security ExtensionsS. Farrell, M. Ramadas, S. Burleigh | Experimental | September 2008 |
| 5326 | Licklider Transmission Protocol - SpecificationM. Ramadas, S. Burleigh, S. Farrell | Experimental | September 2008 |
| 5325 | Licklider Transmission Protocol - MotivationS. Burleigh, M. Ramadas, S. Farrell | Informational | September 2008 |
| 5280 | Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileD. Cooper, S. Santesson, S. Farrell, S. Boeyen, R. Housley, W. Polk | Proposed Standard | May 2008 |
| 4210 | Internet X.509 Public Key Infrastructure Certificate Management Protocol (CMP)C. Adams, S. Farrell, T. Kause, T. Mononen · obsoleted by RFC 9810 | Proposed Standard | September 2005 |
| 3767 | Securely Available Credentials ProtocolS. Farrell, Ed. | Proposed Standard | June 2004 |
| 3281 | An Internet Attribute Certificate Profile for AuthorizationS. Farrell, R. Housley · obsoleted by RFC 5755 | Proposed Standard | May 2002 |
| 3185 | Reuse of CMS Content Encryption KeysS. Farrell, S. Turner | Proposed Standard | October 2001 |
| 3157 | Securely Available Credentials - RequirementsA. Arsenault, S. Farrell | Informational | August 2001 |
| 2906 | AAA Authorization RequirementsS. Farrell, J. Vollbrecht, P. Calhoun, L. Gommans, G. Gross, B. de Bruijn, C. de Laat, M. Holdrege, D. Spence | Informational | August 2000 |
| 2905 | AAA Authorization Application ExamplesJ. Vollbrecht, P. Calhoun, S. Farrell, L. Gommans, G. Gross, B. de Bruijn, C. de Laat, M. Holdrege, D. Spence | Informational | August 2000 |
| 2904 | AAA Authorization FrameworkJ. Vollbrecht, P. Calhoun, S. Farrell, L. Gommans, G. Gross, B. de Bruijn, C. de Laat, M. Holdrege, D. Spence | Informational | August 2000 |
| 2510 | Internet X.509 Public Key Infrastructure Certificate Management ProtocolsC. Adams, S. Farrell · obsoleted by RFC 4210 | Proposed Standard | March 1999 |