This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

third-party cookies

  • 3 replies
  • 9 have this problem
  • 15 views
  • Last reply by TonyE

more options

I Remove Cookies and add their senders to the Exceptions - Cookies list. However, the removed cookies instantly re-appear on the Cookies list. Examples: 2o7.net, adbrite.com. Cookies immediately reappear on Cookies list even when deleted while cable modem is disconnected. FF 3.6.13 on Mac OS 10.5.8.

I Remove Cookies and add their senders to the Exceptions - Cookies list. However, the removed cookies instantly re-appear on the Cookies list. Examples: 2o7.net, adbrite.com. Cookies immediately reappear on Cookies list even when deleted while cable modem is disconnected. FF 3.6.13 on Mac OS 10.5.8.

All Replies (3)

more options

Do you have the Targeted Advertising Cookie Opt-Out (TACO) extension? That one will automatically add permanent, generic, non personally identifiable cookies to the browser. Even if you delete one the add-on will replace it.

more options

my password keeps loged on after I loged out how can I make it disappear?

more options

chekes7, you should start a new thread for your question - https://support.mozilla.com/en-US/questions/new