| RFC | Title | Status | Reference | Notes |
|---|---|---|---|---|
| 2510 | Internet X.509 Public Key Infrastructure Certificate Management Protocols | Obsolete | C. Adams; S. Farrell (March 1999). Internet X.509 Public Key Infrastructure Certificate Management Protocols. Network Working Group. doi:10.17487/RFC2510. RFC 2510. | Obsoleted by RFC 4210. |
| 2511 | Internet X.509 Certificate Request Message Format | Obsolete | M. Myers; C. Adams; D. Solo; D. Kemp (March 1999). Internet X.509 Certificate Request Message Format. Network Working Group. doi:10.17487/RFC2511. RFC 2511. | Obsoleted by RFC 4211. |
| 2516 | A Method for Transmitting PPP Over Ethernet (PPPoE) | Informational | L. Mamakos; K. Lidl; J. Evarts; D. Carrel; D. Simone; R. Wheeler (February 1999). A Method for Transmitting PPP Over Ethernet (PPPoE). Network Working Group. doi:10.17487/RFC2516. RFC 2516. | |
| 2518 | HTTP Extensions for Distributed Authoring – WEBDAV | Proposed Standard | Goland, Yaronn; Whitehead, Jim; Faizi, Asad; Carter, Steve R.; Jensen, Del (February 1999). HTTP Extensions for Distributed Authoring – WEBDAV. Network Working Group. doi:10.17487/RFC2518. RFC 2518. | Obsoleted by RFC 4918. |
| 2526 | Reserved IPv6 Subnet Anycast Addresses | Proposed Standard | D. Johnson; S. Deering (March 1999). Reserved IPv6 Subnet Anycast Addresses. Network Working Group. doi:10.17487/RFC2526. RFC 2526. | |
| 2544 | Benchmarking Methodology for Network Interconnect Devices | Informational | S. Bradner; J. McQuaid (March 1999). Benchmarking Methodology for Network Interconnect Devices. Network Working Group. doi:10.17487/RFC2544. RFC 2544. | Updated by: RFC 6201 and RFC 6815. |
| 2549 | IP over Avian Carriers with Quality of Service | Informational | D. Waitzman (1 April 1999). IP over Avian Carriers with Quality of Service. Network Working Group. doi:10.17487/RFC2549. RFC 2549. | Updates RFC 1149. This is an April Fools' Day Request for Comments. |
| 2550 | Y10K and Beyond | Informational | S. Glassman; M. Manasse; J. Mogul (1 April 1999). Y10K and Beyond. Network Working Group. doi:10.17487/RFC2550. RFC 2550. | This is an April Fools' Day Request for Comments. |
| 2551 | The Roman Standards Process -- Revision III (I April MCMXCIV) | Worst Current Practice | S. Bradner (1 April 1999). The Roman Standards Process -- Revision III (I April MCMXCIV). Network Working Group. doi:10.17487/RFC2551. RFC 2551. | Obsoletes MMXXVI. This is an April Fools' Day Request for Comments. |
| 2553 | Basic Socket Interface Extensions for IPv6 | Obsolete | R. Gilligan; S. Thomson; J. Boun; W. Stevens (March 1999). Basic Socket Interface Extensions for IPv6. Network Working Group. doi:10.17487/RFC2553. RFC 2553. | Obsoleted by RFC 3493. Updated by RFC 3152. Obsoletes RFC 2133. |
| 2555 | 30 Years of RFCs | Informational | RFC Editor; et al. (7 April 1999). 30 Years of RFCs. Network Working Group. doi:10.17487/RFC2555. RFC 2555. | Updated by RFC 8700. |
| 2560 | X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSP | Obsolete | M. Myers; R. Ankney; A. Malpani; S. Galperin; C. Adams (June 1999). X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSP. Network Working Group. doi:10.17487/RFC2560. RFC 2560. | Obsoleted by RFC 6960. Updated by RFC 6277. |
| 2581 | TCP Congestion Control | Obsolete | M. Allman; V. Paxson; W. Stevens (April 1999). TCP Congestion Control. Network Working Group. doi:10.17487/RFC2581. RFC 2581. | Obsoleted by RFC 5681. Updated by RFC 3390. Obsoletes RFC 2001. |
| 2585 | Internet X.509 Public Key Infrastructure Operational Protocols: FTP and HTTP | Proposed Standard | Housley, R.; Hoffman, P. (May 1999). Internet X.509 Public Key Infrastructure Operational Protocols: FTP and HTTP. Network Working Group. doi:10.17487/RFC2585. RFC 2585. | |
| 2586 | The Audio/L16 MIME content type | Informational | J. Salsman; H. Alvestrand (May 1999). The Audio/L16 MIME content type. Network Working Group. doi:10.17487/RFC2586. RFC 2586. | |
| 2597 | Assured Forwarding PHB Group | Proposed Standard | J. Heinanen; F. Baker; W. Weiss; J. Wroclawski (June 1999). Assured Forwarding PHB Group. Network Working Group. doi:10.17487/RFC2597. RFC 2597. | Updated by RFC 3260. |
