that the IP ranges for each protcol do not overlap
Layer Two Tunneling Protocol (L2TP) – more robust security, allows for shared secret
Point-to-Point Tunneling Protocol (PPTP) – more compatible with wider array of clients
MS-CHAPv2 supported by default
Other authentication methods can be used with advanced configuration.
static NAT – maps a private IP address to a public one
dynamic NAT – maps a private IP address to the first available address from a list of public addresses
Port Address Translation (PAT) – maps multiple private IP addresses to a single public one using different ports. This is also known as port overloading, single address NAT, and port-level multiplexed NAT
Which one is the only kind that you can configure via Server admin?
Port Address Translation (PAT)
NAT: network address translation
also known as IP masquerading or IP aliasing
Only the ports needed to perform remote administration: Remote Directory Access (625), server admin (687), Secure Shell (22)
WHY: These ports are enabled so that if you turn Firewall on remotely you will still be able to configure the server without blocking yourself out accidentally.