Prevent adding Web sites in security zones of Internet Explorer.

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This setting prohibits you from adding Web sites either in Trusted Sites or Restricted Sites list in the Security tab of Internet Options dialog box in Internet Explorer.
Level: Recommended For Experts Only
You can add web sites that you regularly visit and trust not to damage your computer or data in trusted sites and the web sites that could potentially damage your computer or data or may contain malicious contents under restricted sites zones. The security zones are found in security tab of internet options dialog box under tools menu of internet explorer. By applying this registry setting you can disable the button to add web sites in any of the above lists. For this, go to start > run menu, enter regedit and navigate to the registry path listed below. If any of the sub keys internet explorer\control panel is not present, create it as explained below. Then, create a dword value secaddsites, if this value does not exist. Now, right-click and modify the value to 1 which can disable the option to add web sites in security zones list. However, if you want to enable the options back, change the value data to 0 or delete the value. The changes take effect after a restart or logoff. When editing the registry it is highly recommended to run a quick scan for optimization, you can test your system now for free.


First, click the Start button, and select Run. In the resulting dialog box, type "regedit".
Second, go to <b>[HKEY_CURRENT_USER\Software\Policies\Microsoft\] </b>and create a new key "Internet Explorer".
Third, create a subkey "Control Panel" under "Internet Explorer".
Fourth, create a DWORD value " SecAddSites".
Now, right-click on "SecAddSites" and select 'Modify'
Finally, set the 'Value Data' to 1 in the textbox provided and click on 'OK'.

Registry Entries

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  • Path: [HKEY_CURRENT_USER\Software\Policies\Microsoft\]
  • Location: Current User
  • Value Name: Internet Explorer
  • Data Type: Key
  • Action Type: Add an Entry
  • Path: [HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\]
  • Location: Current User
  • Value Name: Control Panel
  • Data Type: Key
  • Action Type: Add an Entry
  • Path: [HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\Control Panel\]
  • Location: Current User
  • Value Name: SecAddSites
  • Data Type: DWORD (DWORD Value)
  • Enabled Value: 1
  • Disabled Value: 0
  • Action Type: Add an Entry

Related Tweaks

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