Cookie Behavior in private browsing
Supported on: Firefox 95 or later, Firefox 91.4 ESR or later
Registry
HKLM
Software\Policies\Mozilla\Firefox\Cookies HKCU
Software\Policies\Mozilla\Firefox\Cookies Options
BehaviorPrivateBrowsing enum - Accept all cookies
->
accept - Reject third party cookies
->
reject-foreign - Reject all cookies
->
reject - Reject third party cookies for sites you haven't visited
->
limit-foreign - Reject cookies for known trackers
->
reject-tracker - Reject cookies for known trackers and partition third-party cookies (Total Cookie Protection)
->
reject-tracker-and-partition-foreign
Description
If this policy is enabled, you can configure cookie behavior in private browsing. If this policy is not configured or disabled, in private browsing, cookies are rejected for known trackers and third-party cookies are partitioned.