[2016-06-09 07:00:00 UTC] Upcoming changes to api4.yubico.com

On 9th June 2016 at around 07:00 (am) UTC the DNS record for api4.yubico.com will be updated to point to a new host.

The machine will be moved from Digital Ocean (Amsterdam) to Hetzner (Germany).

Software updates will also be applied, in particular, upgrading to latest stable releases in terms of both the application and the underlying operating system.

While you should not hardcode any of our IPs in your application or firewall, please do note the new addresses below.

Current IPv4: 178.62.237.116

Current IPv6: 2a03:b0c0:2:d0::3f:1001

New IPv4: 78.47.118.220

New IPv6: 2a01:4f8:c17:2bfe::2

If you must firewall your outgoing connections, you might be able to use DNS hostnames in your ruleset.

iptables and pf support this, but you must make sure to periodically reload your ruleset, otherwise changes to the DNS zones are not picked up.