FewCookies

Cookie glossary · Strictly necessary

What is the KC_RESTART cookie?

Retains the state of an interrupted Keycloak authentication flow so it can be resumed correctly. It is set by Keycloak and classified as "Strictly necessary". No consent required.

At a glance

Provider Keycloak
Category Strictly necessary
Consent required? No
Typical domain Varies (first-party)

How FewCookies handles this cookie

FewCookies recognises KC_RESTART from our database of 1,300+ known cookies and classifies it automatically as "Strictly necessary". The free check tells you whether this cookie is detected on your site and whether your banner handles it correctly — an instant, surface-level check, no account needed.

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Frequently asked questions

Do you need consent for the KC_RESTART cookie?

No. KC_RESTART is a strictly necessary cookie, exempt from consent under Article 5(3) of the ePrivacy Directive and Law 506/2004. You may use it without the visitor's prior agreement.

What does the KC_RESTART cookie do?

Retains the state of an interrupted Keycloak authentication flow so it can be resumed correctly.

Who sets the KC_RESTART cookie?

The KC_RESTART cookie is associated with Keycloak and is classified as strictly necessary.