(1) User changes security level: Create a key named "Security_options_edit" under HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings. A value of 1 (DWORD) disables the function, while a value of 0 or the absence of the key allows it.
(2) Prohibit adding or removing sites in the "Security Zones": Create a key named "Security_zones_map_edit" under HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings. A value of 1 (DWORD) disables the function, while a value of 0 or the absence of the key allows it.