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Rename cookie Behavior value to partition-foreign (Firefox 153) #234

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mkaply merged 1 commit into from
Jul 21, 2026
Merged

Rename cookie Behavior value to partition-foreign (Firefox 153) #234

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17 changes: 9 additions & 8 deletions src/content/docs/reference/policies/Cookies.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ category: "Network security"

Configure cookie preferences.

**Compatibility:** Firefox 60, Firefox ESR 60 (RejectTracker added in Firefox 63, AllowSession added in Firefox 79/78.1, Behavior added in Firefox 95/91.4)\
**Compatibility:** Firefox 60, Firefox ESR 60 (RejectTracker added in Firefox 63, AllowSession added in Firefox 79/78.1, Behavior added in Firefox 95/91.4, reject-tracker-and-partition-foreign renamed to partition-foreign in Firefox 153)\
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `network.cookie.cookieBehavior`, `network.cookie.cookieBehavior.pbmode`, `network.cookie.lifetimePolicy`

Expand All @@ -25,7 +25,8 @@ Configure cookie preferences.
- `reject`: Reject all cookies.
- `limit-foreign`: Reject third party cookies for sites you haven't visited.
- `reject-tracker`: Reject cookies for known trackers (default).
- `reject-tracker-and-partition-foreign`: Reject cookies for known trackers and partition third-party cookies, also known as Total Cookie Protection (default for private browsing).
- `partition-foreign`: (Firefox 153) Reject cookies for known trackers and partition third-party cookies, also known as Total Cookie Protection (default for private browsing).
- `reject-tracker-and-partition-foreign`: (_Deprecated_. Renamed to `partition-foreign` in Firefox 153. Update existing configurations to use `partition-foreign`.)
- `BehaviorPrivateBrowsing` sets the default behavior for cookies in private browsing.
Accepts the same values as `Behavior`.
- `Locked` prevents the user from changing cookie preferences.
Expand All @@ -40,8 +41,8 @@ Configure cookie preferences.
Software\Policies\Mozilla\Firefox\Cookies\Allow\1 = "https://example.com"
Software\Policies\Mozilla\Firefox\Cookies\AllowSession\1 = "https://example.edu"
Software\Policies\Mozilla\Firefox\Cookies\Block\1 = "https://example.org"
Software\Policies\Mozilla\Firefox\Cookies\Behavior = "accept" | "reject-foreign" | "reject" | "limit-foreign" | "reject-tracker" | "reject-tracker-and-partition-foreign"
Software\Policies\Mozilla\Firefox\Cookies\BehaviorPrivateBrowsing = "accept" | "reject-foreign" | "reject" | "limit-foreign" | "reject-tracker" | "reject-tracker-and-partition-foreign"
Software\Policies\Mozilla\Firefox\Cookies\Behavior = "accept" | "reject-foreign" | "reject" | "limit-foreign" | "reject-tracker" | "partition-foreign"
Software\Policies\Mozilla\Firefox\Cookies\BehaviorPrivateBrowsing = "accept" | "reject-foreign" | "reject" | "limit-foreign" | "reject-tracker" | "partition-foreign"
Software\Policies\Mozilla\Firefox\Cookies\Locked = 0x1 | 0x0
```

Expand Down Expand Up @@ -108,7 +109,7 @@ Value (string):

```xml
<enabled/>
<data id="Cookies_Behavior" value="accept | reject-foreign | reject | limit-foreign | reject-tracker | reject-tracker-and-partition-foreign"/>
<data id="Cookies_Behavior" value="accept | reject-foreign | reject | limit-foreign | reject-tracker | partition-foreign"/>
```

OMA-URI:
Expand All @@ -121,7 +122,7 @@ Value (string):

```xml
<enabled/>
<data id="Cookies_BehaviorPrivateBrowsing" value="accept | reject-foreign | reject | limit-foreign | reject-tracker | reject-tracker-and-partition-foreign"/>
<data id="Cookies_BehaviorPrivateBrowsing" value="accept | reject-foreign | reject | limit-foreign | reject-tracker | partition-foreign"/>
```

## macOS
Expand All @@ -145,9 +146,9 @@ Value (string):
<key>Locked</key>
<true/> | <false/>
<key>Behavior</key>
<string>accept | reject-foreign | reject | limit-foreign | reject-tracker | reject-tracker-and-partition-foreign</string>
<string>accept | reject-foreign | reject | limit-foreign | reject-tracker | partition-foreign</string>
<key>BehaviorPrivateBrowsing</key>
<string>accept | reject-foreign | reject | limit-foreign | reject-tracker | reject-tracker-and-partition-foreign</string>
<string>accept | reject-foreign | reject | limit-foreign | reject-tracker | partition-foreign</string>
</dict>
</dict>
```