Details about cookies on DfE Sign-in
Cookies are small files saved on your phone, tablet or computer when you visit a website.
We use cookies to make DfE Sign-in work.
Essential cookies
Essential cookies enable core functionality such as security, network management, and accessibility to work. Essential cookies keep your information secure while you use DfE Sign-in.
These cookies are essential for the operation of DfE Sign-in and improving your experience, therefore we are not required to ask your permission to use them.
| Name | Purpose | Expires |
|---|---|---|
| session | The DfE Sign-in Session ID is needed to identify the user to the services | After 8 hours of no activity |
| session.sig | Signature of the session cookie to ensure it hasn’t been forged | After 8 hours of no activity |
| _csrf | Protection against cross-site request forgery | When the browser is closed (session) |
| __host-csrf | Protection against cross-site request forgery | When the browser is closed (session) |
| _dsi_interaction | Used to track the progress of a user's authorisation request | After 10 minutes of no activity |
| _dsi_interaction_sig | Signature of the _dsi_interaction cookie to ensure it hasn’t been forged | After 10 minutes of no activity |
| _dsi_interaction_resume | Allows the user session to resume authentication flow if interrupted | After 10 minutes of no activity |
| _dsi_interaction_resume.sig | Signature of the _dsi_interaction_resume cookie to ensure it hasn’t been forged | After 10 minutes of no activity |
| _dsi_session | A session identifier used to identify the user to the service | After 8 hours of no activity |
| _dsi_session.sig | Signature of the _dsi_session cookie to ensure it hasn’t been forged | After 8 hours of no activity |
| _dsi_session.legacy | A session identifier used to identify the user to the service | After 8 hours of no activity |
| _dsi_session.legacy.sig | Signature of the _dsi_session.legacy cookie to ensure it hasn’t been forged | After 8 hours of no activity |
| user_banner_last_seen | Allows us to track when a reminder needs to be shown to certain types of users | After 365 days |
Optional cookies
DfE Sign-in does not require any other cookies other than those which are essential.