RFC 3971

SEcure Neighbor Discovery (SEND), March 2005

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Updated by:
RFC 6494, RFC 6495, RFC 6980
J. Arkko, Ed.
J. Kempf
B. Zill
P. Nikander
send (int)

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DOI:  https://doi.org/10.17487/RFC3971

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IPv6 nodes use the Neighbor Discovery Protocol (NDP) to discover other nodes on the link, to determine their link-layer addresses to find routers, and to maintain reachability information about the paths to active neighbors. If not secured, NDP is vulnerable to various attacks. This document specifies security mechanisms for NDP. Unlike those in the original NDP specifications, these mechanisms do not use IPsec. [STANDARDS-TRACK]

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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