What port does L2TP use?
A.
501
B.
1723
C.
1701
D.
443
Explanation:
Section Reference: Understanding VPNs
L2TP is considered the more secure solution compared to PPTP because IPsec is required in most L2TP
implementations. A VPN device or server that allowsincoming L2TP connections must have inbound port 1701
open.