[lacnog] Signing of the ARPA zone

Joe Abley joe.abley en icann.org
Mie Mar 17 18:51:28 BRT 2010


Colleagues,

This is a follow-up to the operational announcement regarding changes to the ARPA top-level domain that was sent on 2010-03-10. Apologies in advance for duplicates received through different mailing lists.

As of 2010-03-17 1630 UTC all the authoritative servers for ARPA are serving a signed ARPA zone.

We would like to solicit feedback from the technical community to allow us to identify any operational ill-effects that this change has caused. We will monitor this mailing list for feedback, and I will also distribute any feedback sent to me personally so that it can be considered.

If no harmful effects have been identified by 2010-03-21 the trust anchor for the ARPA zone will be published through the IANA ITAR at <https://itar.iana.org/>.

Regards,


Joe

Begin forwarded message:

> From: Joe Abley <joe.abley en icann.org>
> Date: 10 March 2010 16:13:46 EST
> To: Joe Abley <joe.abley en icann.org>
> Subject: Signing of the ARPA zone
> 
> Colleagues,
> 
> This is a technical, operational announcement regarding changes to the ARPA top-level domain. Apologies in advance for duplicates received through different mailing lists.
> 
> No specific action is requested of operators. This message is for your information only.
> 
> The ARPA zone is about to be signed using DNSSEC. The technical parameters by which ARPA will be signed are as follows:
> 
> KSK Algorithm and Size: 2048 bit RSA
> KSK Rollover: every 2-5 years, scheduled rollover to follow RFC 5011
> KSK Signature Algorithm: SHA-256
> Validity period for signatures made with KSK: 15 days; new signatures published every 10 days
> ZSK Algorithm and Size: 1024 bit RSA
> ZSK Rollover: every 3 months
> ZSK Signature Algorithm: SHA-256
> Authenticated proof of non-existence: NSEC
> Validity period for signatures made with ZSK: 7 days; zone generated and re-signed twice per day
> 
> The twelve root server operators [1] will begin to serve a signed ARPA zone instead of the (current) unsigned ARPA zone during a maintenance window which will open at 2010-03-15 0001 UTC and close at 2010-03-17 2359 UTC. Individual root server operators will carry out their maintenance at times within that window according to their own operational preference.
> 
> The trust anchor for the ARPA zone will be published in the ITAR [2], and in the root zone in the form of a DS record once the root zone is signed.
> 
> If you have any concerns or require further information, please let me know.
> 
> Regards,
> 
> 
> Joe Abley
> Director DNS Operations, ICANN
> 
> [1] <http://www.root-servers.org/>
> [2] <https://itar.iana.org/>




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