These preferences apply to most Mozilla products (including Firefox and Seamonkey), however they are application-specific, so not all of them may apply to you. The default values given are for Firefox 3.
network.cookie.cookieBehavior
Default Value: 0
0 = accept all cookies by default
1 = only accept from the originating site (block third party cookies)
2 = block all cookies by default
3 = use p3p settings (note: this is only applicable to older Mozilla Suite and Seamonkey versions.)
4 = Storage access policy: Block cookies from trackers
network.cookie.lifetimePolicy
Default Value: 0
0 = Accept cookies normally
1 = Prompt for each cookie (prompting was removed in Firefox 44)
2 = Accept for current session only
3 = Accept for N days
network.cookie.lifetime.days
Default Value: 90
Only used if network.cookie.lifetimePolicy is set to 3
Sets the number of days that the lifetime of cookies should be limited to.
network.cookie.alwaysAcceptSessionCookies
Default Value: false
Only used if network.cookie.lifetimePolicy is set to 1
true = accepts session cookies without prompting
false = prompts for session cookies
network.cookie.thirdparty.sessionOnly
Default Value: false
true = restrict third party cookies to the session only
false = no restrictions on third party cookies
network.cookie.maxNumber
Default Value: 1000
Configures the maximum amount of cookies to be stored
Valid range is from 0-65535, RFC 2109 and 2965 require this to be at least 300
network.cookie.maxPerHost
Default Value: 50
Configures the maximum amount of cookies to be stored per host
Valid range is from 0-65535, RFC 2109 and 2965 require this to be at least 20
network.cookie.disableCookieForMailNews
Default Value: true
true = do not accept any cookies from within mailnews or from mail-style URIs
false = allow cookies in these situations
This preference is applicable to all versions of Seamonkey.
New in Thunderbird 3 This preference is applicable to Thunderbird 3 and later. Earlier versions of Thunderbird only allowed cookies on RSS feeds.
network.cookie.prefsMigrated
Default Value: false
Migration pref for users with older profiles (before Mozilla 1.7). If you have the old-style prefs, they will be migrated when starting the application. (The old prefs are network.cookie.lifetime.enabled, network.cookie.lifetime.behavior, and network.cookie.warnAboutCookies.)
true = prefs have been migrated
false = migrate prefs on next startup
Original Document Information
- Author(s): Mike Connor
- Last Updated Date: May 22, 2004
- Copyright Information: Portions of this content are © 1998–2007 by individual mozilla.org contributors; content available under a Creative Commons license | Details.