User guide

Chapter 1: Product Overview 35
Figure 1.7: Single NAT Configuration (Client Only)
Another scenario, shown in Figure 1.8, is when the corporate site also uses a NAT device to save IP
addresses (double-NAT). Since the DSView software client is trying to access a private resource
inside the corporate site, the TCP/IP ports used for HTTPS and the proxy server must be configured
to be exposed on the corporate NAT device.
Figure 1.8: Double-NAT Configuration (Client and Corporate)
NOTE: NAT devices may not be connected between the DSView software server and any managed appliances.
Public
DSView Software
Client
Managed
Appliance
Firewall
Corporate
VPN
DSView
Software
Server
Client
NAT Device
Private
Private
DSView Software
Client
Managed
Appliance
PrivatePrivate
VPN
Public
NAT Device
NAT Device
Corporate
Client
DSView
Software
Server