Security There are three things that need to be secured for each Clipbook page: the .CLP file for the page, the registry key that links the page name with the .CLP file name, and the DDE share that allows DDE access to ClipSrv. The .CLP file and registry key are should be given these accesses: Local System (services) Full Control Administrators Full Control Everybody No Access The DDE share's security can be set by the user using the DACL editor. The default security is: Owner/Creator Full Control Everybody Read and Link