When you try to login to Ubisoft on your Nintendo Switch you just get messages like: invalid email or password password incorrect incorrect username or password This is – most of the time – because 2FA (two-factor-authentication) is activated – by default! Just go to https://account.ubisoft.com/ and try to log in. If you will be […]
YubiKey: Disable or enable ‘Enter’ after OTP or OATH-HOTP
By default, YubiKeys arrive with OTP enabled on slot 1 and it will send an ‘enter’ after the code is entered. Sometimes you touch the YubiKey by accident and you send a form or a message … seasoned with the OTP. You have two options: Swapping the OTP to the second slot. Download and […]
connecting Wireguard client to a Wireguard server with a non-fixed IP address
Consider the following scenario: You want to connect a client to a server via Wireguard – the server’s IP address changes regularly. Further you want to contact the client from the server (so not the standard use-case) – you will also have to add a keep-alive to the client config. The keep-alive is easy, just […]

TOTP token rollout / assignment in Okta via PowerShell
How do you enroll / deploy many TOTP (Time-based One-Time Password) tokens (in this case OTP C200 from Feitian) to Okta users? It all starts with the general configuration of the Custom TOTP and a manual test with one token – just to see if everything works as expected. You can read here in a […]
Okta and Office 365: Error when federating / setting up Provisioning
You receive the following error message when trying to “Fetch and Select” Domains within the Okta Office 365 app: Could not communicate with Office 365 to validate your credentials, received error: 400 Showing a modal dialog box or form when the application is not running in UserInteractive mode is not a valid operation. Specify the […]