An administrator is setting up a multicast server on a network, but the firewall seems to be dropping the traffic. After logging in to the device, the administrator sees the following entries:
Rule/Action/Source/Destination/Port
1/Deny/Any/ 2/Deny/Any/ 3/Deny/Any/ 4/Deny/Any/ Which of the following firewall rules is MOST likely causing the issue?
A. Rule 1
B. Rule 2
C. Rule 3
D. Rule 4