Cookies on this website

This website uses strictly necessary cookies to provide the functionality of the site.

sessionId / csrf:

Stores unique session information to identify the user when switching between pages. Necessary to implement login, demo and transparency functions.

Also used as a CSRF token to prevent malicious request forgery attacks. See also https://de.wikipedia.org/wiki/Cross-Site-Request-Forgery. Is normally deleted at the end of the session (varies depending on the browser, normally when the browser is closed).

Exception: if 'Stay logged in' is selected when logging in, the cookie is stored persistently so that the user remains logged in after the browser is closed.

messages:

Cookie to display user messages about the status of an action, e.g. about the successful login/logout or about the status of the transparency function. Is deleted at the end of the session (varies depending on the browser, usually when the browser is closed).