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Cookies Preferences in Mozilla


See bug 233339 for details on the changes to the original preferences.  These changes are effective in nightly builds as of March 10th, and should be in 1.7b and later.
Preference
 Default Value
 Usage
network.cookie.cookieBehavior 3
 0 = accept all cookies by default
1 = only accept from the originating site
2 = block all cookies by default
3 = use p3p settings (only selectable in the UI if p3p is available)
network.cookie.disableCookieForMailNews true true = do not accept any cookies from within mailnews or from mail-style URIs
false = allow cookies in these situations
network.cookie.lifetimePolicy 0 0 = Accept cookies normally
1 = Prompt for each cookie
2 = Accept for current session only
3 = Accept for N days
network.cookie.lifetime.days 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 false
 * only used if network.cookie.lifetimePolicy is set to 1
true = accepts session cookies without prompting
false = prompts for session cookies
network.cookie.prefsMigrated false
 * migration pref for users with older profiles.
true = prefs have been migrated
false = migrate prefs on next startup
network.cookie.maxNumber 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 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