3Com 3CR858-91 User Guide - Page 64

VPN, The Router has a Virtual Private Network VPN feature that provides

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64 CHAPTER 5: ROUTER CONFIGURATION To put a computer in the DMZ, do the following: 1 Select Firewall from the main menu, then select DMZ from the sub-menu. The DMZ screen displays (Figure 43). Figure 43 DMZ Screen VPN 2 Select the ENABLE radio button. 3 The first row in the Public IP Address column defaults to the IP address of the WAN interface. Enter the last digits of the client PCs IP address in the Client PC IP Address text box. 4 If you have been assigned more than one IP address for the WAN interface, then you can enter up to eight different IP addresses in the Public IP Address text boxes. 5 For each Public IP Address, enter a client PCs IP address in the Client PC IP Address text box. 6 Click Apply to save the settings. The Router has a Virtual Private Network (VPN) feature that provides a secure link between remote users and the corporate network by establishing an authenticated and encrypted tunnel for passing secure data over the Internet. The Router supports three modes of VPN operation: ■ IPsec (IP Security) - provides IP network-layer encryption. IPSec can support large encryption networks (such as the Internet) by using digital certificates for device authentication. When setting up an IPSec

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64
C
HAPTER
5: R
OUTER
C
ONFIGURATION
To put a computer in the DMZ, do the following:
1
Select
Firewall
from the main menu, then select
DMZ
from the sub-menu.
The
DMZ
screen displays (
Figure 43
).
Figure 43
DMZ Screen
2
Select the
ENABLE
radio button.
3
The first row in the
Public IP Address
column defaults to the IP address of
the WAN interface. Enter the last digits of the client PCs IP address in the
Client PC IP Address
text box.
4
If you have been assigned more than one IP address for the WAN
interface, then you can enter up to eight different IP addresses in the
Public IP Address
text boxes.
5
For each Public IP Address, enter a client PCs IP address in the
Client PC IP
Address
text box.
6
Click
Apply
to save the settings.
VPN
The Router has a Virtual Private Network (VPN) feature that provides a
secure link between remote users and the corporate network by
establishing an authenticated and encrypted tunnel for passing secure
data over the Internet. The Router supports three modes of VPN
operation:
■
IPsec (IP Security) — provides IP network-layer encryption. IPSec can
support large encryption networks (such as the Internet) by using
digital certificates for device authentication. When setting up an IPSec