The administrator receives a call from an employee named Peter. Peter says the Internet is down and he is receiving a blank page when typing to connect to a popular sports website. The administrator asks Peter to try visiting a popular search engine site, which Peter reports as successful. Peter then says that he can get to the sports site on this phone. Which of the following might the administrator need to configure?
A. The access rules on the IDS
B. The pop up blocker in the employee’s browser
C. The sensitivity level of the spam filter
D. The default block page on the URL filter