Network.cookie.p3p
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Background
P3P (The Platform for Privacy Preferences) is a W3C recommendation that allows users to specify how they wish to accept cookies based on how a website says it will use them. This preference controls the browser's P3P handling when a custom P3P level is chosen.
Possible values and their effects
The value of this preference is an 8 character string. The positions of the characters determine the type of sites and the character itself determines the behaviour. (Default: ffffaaaa)
Character
- flag the cookie (cookie will display an icon in the cookie manager)
- downgrade the cookie to a session cookie (the cookie will be deleted when the browser closes)
- accept the cookie
- reject the cookie
Position
- First party cookies from sites with no privacy policy
- Third party cookies from sites with no privacy policy
- First party cookies from sites that collect personal information without permission
- Third party cookies from sites that collect personal information without permission
- First party cookies from sites that collect personal information only with permission
- Third party cookies from sites that collect personal information only with permission
- First party cookies from sites that don't collect personal information
- Third party cookies from sites that don't collect personal information
UI
Mozilla Suite
?
Caveats
- P3P trusts that websites are truthful about what they'll do with personal information.
- network.cookie.cookieBehavior must be set to 3 for this preference to take effect.
- network.cookie.p3plevel must be set to 3 (custom) for this preference to take effect.
First checked in
2001-09-27 by Stephen P. Morse
Has an effect in
- Netscape (all versions from 6.1 to 7.2)
- Mozilla Suite (all versions since 0.9.5)
- SeaMonkey (all versions)
Related bugs
- Bug 98882 - Implement p3p cookie management
- Bug 202959 - implement p3p in Firefox
- Bug 225287 - Remove p3p from the default build