9.
10.
11.
Go back to
and click
. This configuration will use the YubiCloud validation servers. For this to
Global Configuration
Validation Server
work, your network's firewall needs to allow outbound access on TCP ports 80 and 443 to api.yubico.com, api2.yubico.com,
and
.
api3.yubico.com, api4.yubico.com
api5.yubico.com
To get a client ID and API key, go to
. Enter the email address you used to register with Yubico.
https://upgrade.yubico.com/getapikey/
Select the password field, insert your YubiKey and press the button to add the password.