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BCP 185
RFC 9319
Title: The Use of maxLength in
the Resource Public Key Infrastructure (RPKI)
Author: Y. Gilad,
S. Goldberg,
K. Sriram,
J. Snijders,
B. Maddison
Status: Best Current Practice
Stream: IETF
Date: October 2022
Mailbox: yoss...@cs.huji.ac.il,
gol...@cs.bu.edu,
kotikalapudi.sri...@nist.gov,
j...@fastly.com,
benm@workonline.africa
Pages: 13
See Also: BCP 185
I-D Tag: draft-ietf-sidrops-rpkimaxlen-15.txt
URL: https://www.rfc-editor.org/info/rfc9319
DOI: 10.17487/RFC9319
This document recommends ways to reduce the forged-origin hijack
attack surface by prudently limiting the set of IP prefixes that are
included in a Route Origin Authorization (ROA). One recommendation is
to avoid using the maxLength attribute in ROAs except in some
specific cases. The recommendations complement and extend those in
RFC 7115. This document also discusses the creation of ROAs for
facilitating the use of Distributed Denial of Service (DDoS)
mitigation services. Considerations related to ROAs and RPKI-based
Route Origin Validation (RPKI-ROV) in the context of
destination-based Remotely Triggered Discard Route (RTDR) (elsewhere
referred to as "Remotely Triggered Black Hole") filtering are also
highlighted.
This document is a product of the SIDR Operations Working Group of the IETF.
BCP: This document specifies an Internet Best Current Practices for the
Internet Community, and requests discussion and suggestions for
improvements. Distribution of this memo is unlimited.
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