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Network.cookie.p3p

From MozillaZine Knowledge Base

Contents

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

  1. First party cookies from sites with no privacy policy
  2. Third party cookies from sites with no privacy policy
  3. First party cookies from sites that collect personal information without permission
  4. Third party cookies from sites that collect personal information without permission
  5. First party cookies from sites that collect personal information only with permission
  6. Third party cookies from sites that collect personal information only with permission
  7. First party cookies from sites that don't collect personal information
  8. Third party cookies from sites that don't collect personal information

UI

Mozilla Suite

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Caveats

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

Related preferences

See also