Blocking cookies

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Cookies are stored on your computer by websites you visit and contain information such as site​ pref​eren​ces ​or logi​n stat​us. This article describes how to block websites from storing cookies in Firefox.

Table Of Contents

Block cookies for a single site

To set Firefox to block cookies from one website:

  1. Go to the website you wish to block from setting cookies in Firefox.
  2. At the top of the Firefox windowOn the menu bar, click on the Tools menu, and select Page Info.
  3. In the Page Info window, select the Permissions panel.
  4. Underneath Set Cookies, remove the check mark from Use Default.
  5. Change the setting to Block.


  6. Close the Page Info window.
  7. Remove any cookies that the website has already set in Firefox. For instructions, see Deleting cookies.

Viewing a list of blocked sites

To see a list of sites that you have blocked from setting cookies:

3.5/3.6:
  1. At the top of the Firefox windowOn the menu bar, click on the ToolsFirefoxEdit menu, and select Options...Preferences....
  2. Select the Privacy panel.
  3. Set Firefox will: to Use custom settings for history.


  4. Next to Accept cookies from sites, click Exceptions....

3.0:
  1. At the top of the Firefox windowOn the menu bar, click on the ToolsFirefoxEdit menu, and select Options...Preferences....
  2. Select the Privacy panel.
  3. Next to Accept cookies from sites, click Exceptions....

Block cookies for all sites

To set Firefox to block cookies from all websites:

3.5/3.6:
  1. At the top of the Firefox windowOn the menu bar, click on the ToolsFirefoxEdit menu, and select Options...Preferences....
  2. Select the Privacy panel.
  3. Set Firefox will: to Use custom settings for history.
  4. Remove the check mark from Accept cookies from sites.
  5. Click OK to close the Options windowClick Close to close the Preferences windowClose the Preferences window

3.0:
  1. At the top of the Firefox windowOn the menu bar, click on the ToolsFirefoxEdit menu, and select Options...Preferences....
  2. Select the Privacy panel.
  3. Remove the check mark from Accept cookies from sites.
  4. Click OK to close the Options windowClick Close to close the Preferences windowClose the Preferences window

To remove cookies that were stored previously, see Deleting cookies.

Block third party cookies

To set Firefox to accept cookies only from the website you're currently visiting, see Disabling third party cookies.


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Page last modified on 星期二 16 of 2月, 2010 18:51:17 PST.
Contributors to this page: Chris_Ilias , AliceWymanBo .
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