IAccess is a command-line application that allows or denies Internet access.
BSEditor: IAccess is a command-line application that allows or denies Internet access for Internet Explorer and other programs that use the Internet connection Wizard. It can be used as a simple solution to Prevent Internet access by simply running the program with the appropriate parameter.

IAccess is typically used in login scripts and works excellent in Combination with ifmember.exe from the MS resource Kit.
access 2003 runtime
IAccess is Freeware with no ads, no nag screens and no limitations. you can free download IAccess 1.0 now.