Instructions:
- In Firefox, click on the “Tools” menu and select “Options”.
- Click on the “Privacy” tab.
- In the “Privacy” tab, click on the drop down that might be having value “Remember History” selected and change the value to “Use Custom Settings For History”.
- It will show up a number of options to configure.
- Uncheck the option for “Accept cookies from sites”.

- Click “OK” and you are done…