The security administrator is getting reports from users that they are accessing certain websites and are unable to download anything off of those sites. The security administrator is also receiving several alarms from the IDS about suspicious traffic on the network. Which of the following is the MOST likely cause?

A.
NIPS is blocking activities from those specific websites.

B.
NIDS is blocking activities from those specific websites.

C.
The firewall is blocking web activity.

D.
The router is denying all traffic from those sites.