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Status:

PROPOSED STANDARD

Authors:

L. Zheng
M. Chen
M. Bhatia

Stream:

IETF

Source:

mpls (rtg)

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DOI:  https://doi.org/10.17487/RFC7349

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Abstract

This document introduces a new optional Cryptographic AuthenticationTLV that LDP can use to secure its Hello messages. It secures theHello messages against spoofing attacks and some well-known attacksagainst the IP header. This document describes a mechanism to securethe LDP Hello messages using Hashed Message Authentication Code(HMAC) with the National Institute of Standards and Technology (NIST)Secure Hash Standard family of algorithms.

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.