Cookies are sent by websites. You can tell Firefox to not allow sites that you choose by following these directions. Type '''about:preferences#privacy''' <enter> in the address bar. The button next to '''History,''' select '''Use Custom Settings'''. Under History, turn on '''Accept cookies from sites''' and '''Accept third-party cookies.''' -------------- '''https://support.mozilla.org/en-US/kb/websites-say-cookies-are-blocked-unblock-them'''