user_pref("network.cookie.sameSite.laxByDefault", true); user_pref("network.cookie.sameSite.laxPlusPOST.timeout", 0); user_pref("network.cookie.sameSite.noneRequiresSecure", true); user_pref("network.cookie.cookieBehavior", 1); // only accept from the originating site (block third party cookies)