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Second delay for domain security key rollover

Kevin Murphy, December 18, 2017, 20:28:44 (UTC), Domain Tech

ICANN has decided to delay changing the security keys to the DNS for the second time.
The “KSK Rollover” had been rescheduled from October 11 to some time in the first quarter 2018, but that will no longer happen. We’re now looking at Q3 at the earliest.
“We have decided that we do not yet have enough information to set a specific date for the rollover,” VP of research Matt Larson said in a blog post. “We want to make clear, however, that the ICANN org is committed to rolling the root zone KSK”.
The root KSK, or Key Signing Key, is the cryptographic key pair at the very top of the security hierarchy specified by DNSSEC, the security extension for DNS.
The current, first-ever, root KSK has been in operation since 2010, but ICANN’s policy is to roll it every five years or so.
The October date was delayed after newly available data showed that hundreds of DNS resolvers were still only configured to use the 2010 keys and not the 2017 keys that have already been deployed in tandem.
This would mean a rollover would cut off access to DNSSEC-signed zones to potentially millions of internet users.
ICANN found that 4% of the 12,000 DNSSEC-validating resolvers — roughly 500 IP addresses — it surveyed in September were not ready for KSK-2017.
Larson told us last month that at least 176 organizations in 41 countries were affected.
Since the first delay, ICANN has been trying to contact the owners of the 500 incompatible IP addresses but has run into some serious problems, Larson blogged.
First, a significant number of these addresses are dynamically allocated (such as to home broadband hubs) meaning tracking down the owners of the misconfigured devices would be next to impossible. Others were forwarding DNS queries on behalf of other devices, creating a similar problem.
Additionally, it seems ICANN has still not received responses from owners of 80% of the affected IP addresses.
Due to the lack of reliable data, it’s difficult for ICANN to figure out how many users’ internet access will be affected by a rollover.
The threshold called for by current policy is about 20 million people.
So ICANN has delayed the event to some point after Q1. Larson wrote that the organization will publish a plan on January 18 which will be open for public comment and discussed at the ICANN 61 meeting in Puerto Rico next March.
A final plan is not expected until ICANN 62, which happens in late June, so Q3 would be the earliest the rollover could actually occur.
Larson encouraged anyone interested in discussing the plan to join this mailing list.

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