Which connections must the administrator allow on the firewall?

An administrator supports a group of employees that connect to the corporate office using the VIA client. An Aruba Mobility Controller (MC), behind a corporate firewall, terminates the user’s VPN sessions. The VPN sessions fail to establish because of the existing firewall rules.

Which connections must the administrator allow on the firewall? (Choose three.)
A . TCP 443
B . UDP 8211
C . UDP 8202
D . UDP 500
E . UDP 4500
F . TCP 4443

Answer: ADE