ZyXEL Communications VSG-1200 ユーザーズマニュアル

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VSG-1200 User’s Guide
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Chapter 4 LAN, WAN and Server Setup
4.7.5  PPTP
Point-to-Point Tunneling Protocol (PPTP) is a network protocol that enables transfers of data 
from a remote client to a private server, creating a Virtual Private Network (VPN) using TCP/
IP-based networks.
PPTP supports on-demand, multi-protocol, and virtual private networking over public 
networks, such as the Internet.
Figure 22   System Setting: WAN/LAN: PPTP