List of Cookies

The _cfduid cookie is used to identify individual clients behind a shared IP address and apply security setting on a per-client basis. For example, if the visitor is in a coffee shop where there where there are a bunch of infected machines, but the specific visitor’s machine is trusted (e.g. because they’we completed a challenge within your Challenge Passage period), the cookie allows us to identify that client and not challenge them again. It does not correspond to any user ID in your web application, and does not store any personally indetifiable information.