3Com OfficeConnect 3C855 설정 - 페이지 2

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3Com OfficeConnect 3C855에 대해서도 마찬가지입니다: 설치 매뉴얼 (2 페이지), 설치 매뉴얼 (2 페이지), 자주 묻는 질문 (3 페이지), 사용 (4 페이지)

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2 IPSec

2.1 From the LAN to the Internet

In this case, the Gateway will be transparent to the VPN traffic. You need make no

changes to the settings on your Gateway, provided you have not explicitly blocked the

PC initiating the VPN connection from accessing any services on the Internet via the

"PC Privileges" page in the GUI.

3Com recommends that the PC initiating the VPN connection has no restrictions

imposed on it.

As the Gateway will appear transparent, you can set up your VPN client in the normal

manner, as will be described in the user guide for your VPN client.

Note that only one IPSec VPN connection can be supported by the Gateway at a time.

2.2 From the Internet to the LAN

At present, it is not possible to set up an IPSec VPN server on your LAN, and have

users access it from the Internet.

If this configuration is attempted with the "Virtual DMZ" feature of the Gateway, it

may be noticed that the VPN client manages to negotiate a tunnel, but that no traffic

can be passed. This is because the protocols used to negotiate the VPN tunnel are

different to those used for data transmission. It is not currently possible to configure

the Gateway to pass the secure traffic from the Internet to the LAN.

3 PPTP

3.1 From the LAN to the Internet