| RFC | Title | Status | Reference | Notes |
|---|---|---|---|---|
| 4422 | Simple Authentication and Security Layer (SASL) | Proposed Standard | A. Melnikov; K. Zeilenga, eds. (June 2006). Simple Authentication and Security Layer (SASL). Network Working Group. doi:10.17487/RFC4422. RFC 4422. | Obsoletes RFC 2222. |
| 4430 | Kerberized Internet Negotiation of Keys (KINK) | Proposed Standard | S. Sakane; K. Kamada; M. Thomas; J. Vilhuber (March 2006). Kerberized Internet Negotiation of Keys (KINK). Network Working Group. doi:10.17487/RFC4430. RFC 4430. | |
| 4436 | Detecting Network Attachment in IPv4 (DNAv4) | Proposed Standard | B. Aboba; J. Carlson; S. Cheshire (March 2006). Detecting Network Attachment in IPv4 (DNAv4). Network Working Group. doi:10.17487/RFC4436. RFC 4436. | |
| 4443 | Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification | Internet Standard 89 | A. Conta; S. Deering (March 2006). M. Gupta (ed.). Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification. Network Working Group. doi:10.17487/RFC4443. STD 89. RFC 4443. | Obsoletes RFC 2463. Updates RFC 2780. Updated by RFC 4884. |
| 4450 | Getting Rid of the Cruft: Report from an Experiment in Identifying and Reclassifying Obsolete Standards Documents | Informational | E. Lear; H. Alvestrand (March 2006). Getting Rid of the Cruft: Report from an Experiment in Identifying and Reclassifying Obsolete Standards Documents. Network Working Group. doi:10.17487/RFC4450. RFC 4450. | |
| 4470 | Minimally Covering NSEC Records and DNSSEC On-line Signing | Proposed Standard | S. Weiler; J. Ihren (April 2006). Minimally Covering NSEC Records and DNSSEC On-line Signing. Network Working Group. doi:10.17487/RFC4470. RFC 4470. | Updates RFC 4035 and 4034. |
| 4489 | A Method for Generating Link-Scoped IPv6 Multicast Addresses | Proposed Standard | J-S. Park; M-K. Shin; H-J. Kim (April 2006). A Method for Generating Link-Scoped IPv6 Multicast Addresses. Network Working Group. doi:10.17487/RFC4489. RFC 4489. | Updates RFC 3306. |
