which three traffic types should ACL1 permit on the firewall in front of the IPSec VPN gateway?

See the Exhibit:

In order to support IPSec VPN, which three traffic types should ACL1 permit on the firewall in front
of the IPSec VPN gateway? (Choose three.)

A.
IP Protocol 50

B.
UDP port 4500

C.
UDP Port 10000

D.
UDP Port 5000