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Firefox: block all Cookies - how to

  • Oct 25, 2025
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Cookies are small files that store information about your surf behavior. This allows you to block but not under Firefox. We will show you how to do it.

Mozilla Firefox: block All Cookies

  1. Upper left corner, click the orange "Firefox" button and select the "settings".
  2. Go to the "privacy" tab and select the category "history" the Option "use custom settings" to create.
  3. Now remove the hook in front of the Option "accept Cookies". Alternatively, you can block in this function, only third-party Cookies.
  4. Finally, click on "OK" to save your Changes.
Block Cookies in Firefox

Firefox: Only certain Cookies, block

  1. Open the page whose Cookies you want to block.
  2. Click with the right mouse button on an empty area and select "view page info".
  3. A small window will open. Go to the tab "permissions".
  4. Scroll down to "Cookies" set. You remove the hook before "use default" and enable the Option "Block".
Cookies of a web page block
Instead all Cookies, to disable, you can also delete individual Cookies.

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