Specifying Intranet Settings
113
intranet settings to allow LAN users to access the proxy. If
you do not do this, users cannot access the proxy.
1
Install the proxy server.
a
Install and configure the proxy server software using a
valid IP address.
b
Plug the proxy server into an Ethernet hub connected to
the WAN port on the Internet Firewall.
2
Configure the Intranet settings.
a
Click
Advanced
,
and then select the
Intranet
tab.
b
In the
Add Range
box, enter the proxy server’s IP
address.
c
Select the
Specified address ranges are attached to the
WAN link
radio button.
d
Click
Update
. See “
Specifying Intranet Settings” on
page 113
for more information.
3
Configure the Web Proxy Relay.
a
Click
Advanced
, and then select the
Proxy Relay
tab.
b
Configure the Web proxy relay. See “
Automatic Proxy
Forwarding” on page 111 for more information.
Web traffic is directed to the proxy, which fulfills all
requests, without reconfiguring all the Web browsers on
the LAN.
Specifying Intranet Settings
In some cases, it is desirable to prevent access to certain
resources by unauthorized users on the LAN. For example,
a school’s administration office may be placed behind the
Internet Firewall to restrict access to its computers by users
in the Student Computer Lab. Similarly, an organization’s
accounting, research, or other sensitive resources may be
protected against unauthorized access by other users on
the same network. By default, protected LAN users can
only access the Internet and no other devices between the
WAN port and the Internet. To enable access to the area
between the Internet Firewall’s WAN port and the Internet
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