Hi, you can follow below guidelines # Click the '''menu ''' button and select '''Settings ''' # Select '''Privacy & Security '''panel and go to '''Cookies and Site Data''' section # Click '''Manage Exceptions''' # A dialog box - '''Exceptions - Cookies and Site Data '''will open. # Type in the website address that you wish to block. # Click '''Block ''' # Click '''Save Changes''' to finish. Here is an article explains on cookies settings on Mozilla Firefox: [[Block websites from storing cookies and site data in Firefox]] I hope this helps.