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(MS-CHAP v2) and encryption mechanisms such as Microsoft Point-to-Point
Encryption (MPPE). PPTP supports a wide range of security measures for authenti-
cation, packet ltering, and encryption.
10.3.4 VPN Tunneling Type
Depending on how the VPN technology is used in establishing a secure connection
between a VPN server and a VPN client, there are two types of tunneling, voluntary
tunneling and compulsory tunneling. In voluntary tunneling, VPN clients handle
their connections to the VPN server. ey make connections and create the tunnels.
In compulsory tunneling, the Internet Service Provider (ISP) handles connections ...