I have ISA 2004 and i create rule to deny users from access some websites but the Problem the Mozilla Firefox users can access all this sites , and I couldn't find a way to deny users from using firefox or to enforce firefox to use proxy server.
Please tell me how to resolve this issue.
Free Guide: Managing storage for virtual environments
Complete a brief survey to get a complimentary 70-page whitepaper featuring the best methods and solutions for your virtual environment, as well as hypervisor-specific management advice from TechTarget experts. Don’t miss out on this exclusive content!