You Need to Set Up a VPN Between AWS VPC

You need to set up a VPN between AWS VPC and your on-premises network. You create a VPN connection in the AWS Management Console, download the configuration file, and install it on your on-premises router. The tunnel is not coming up because of firewall restrictions on your router. Which two network traffic options should you allow through the firewall? (Choose two.)

A) UDP port 500
B) IP protocol 50
C) IP protocol 5
D) TCP port 50
E) TCP port 500