B Bill Grant Dec 6, 2003 #2 With regard to what? RRAS can use them all! PPTP uses tcp port 1723 and also requires GRE (IP protocol 47) for the data transfer. L2tp uses udp port 1701, and also requires udp port 500 for IKE security. The encrypted data has ESP headers.
With regard to what? RRAS can use them all! PPTP uses tcp port 1723 and also requires GRE (IP protocol 47) for the data transfer. L2tp uses udp port 1701, and also requires udp port 500 for IKE security. The encrypted data has ESP headers.