Firefox - Automatically delete cookies

The procedure to set a Cookie Retention Policy (number of days after which cookies will automatically be cleared) under Firefox is as follows:

• In the address bar type "about.config" and press Enter
• In the Filter field search for:

  • network.cookie.lifetimePolicy

  • Double click on this entry and set its value to "3"
  • When the value is set to 3, then the cookies will be kept according to the number of days defined in the entry below.
• Next search for this entry:

  • network.cookie.lifetime.days

  • Double click on this entry to change its value (representing the number of days).
• Close the about:config window.
• Restart Firefox.

See also

Knowledge communities.

• Forum
• Webmastering forum

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