Re: [secdir] Secdir last call review of draft-ietf-ntp-port-randomization-06
Fernando Gont <fgont@si6networks.com> Tue, 23 March 2021 08:13 UTC
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To: Sean Turner <sean@sn3rd.com>, secdir@ietf.org
Cc: draft-ietf-ntp-port-randomization.all@ietf.org, last-call@ietf.org, ntp@ietf.org
References: <161634069996.31375.17595634557822390595@ietfa.amsl.com>
From: Fernando Gont <fgont@si6networks.com>
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Date: Tue, 23 Mar 2021 01:46:30 -0300
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Subject: Re: [secdir] Secdir last call review of draft-ietf-ntp-port-randomization-06
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Hi, Sean, Thanks for your review! Cheers, Fernando On 21/3/21 12:31, Sean Turner via Datatracker wrote: > Reviewer: Sean Turner > Review result: Ready > > Hi! I am doing this review as part of the Security Directorate. > > This I-D updates NTP v4 [RFC 5095] to recommend the use of transport-protocol > ephemeral port randomization for those modes where use of the NTP well-known > port is not required. The port randomization recommendation is based on BCP 156 > [RFC6056], which recommends the randomization of transport-protocol ephemeral > ports. This I-D is in fact co-authored by one of the co-authors of BCP 156. The > I-D motivates the recommendation and enumerates some considerations as they > relate to NTP as well as identifies the exact changes (i.e., two-sentence > dstport replaced with more text). It also appears that this I-D is well > implemented as noted in the implementation status section. > > > -- Fernando Gont SI6 Networks e-mail: fgont@si6networks.com PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492
- [secdir] Secdir last call review of draft-ietf-nt… Sean Turner via Datatracker
- Re: [secdir] Secdir last call review of draft-iet… Fernando Gont