Page 150 SonicWALL Internet Security Appliance Administrator’s Guide
Intranet
The SonicWALL can be configured as an Intranet firewall to prevent network users from accessing
sensitive servers. By defa ult, users on you r LAN can access the Internet r outer, but not dev ices
connected to the WAN port of the SonicWALL. To enable access to the area between the SonicWALL
WAN port and the Internet, you must configure the Intranet settings on the SonicWALL.
Creating an Intranet firewall is achieved by connecting the SonicWALL between an unprotected and
a protected seg ment.
Installation
1. Connect the LAN Ethernet port on the back of the SonicWALL to the network segment to be
protected against unauthorized access.
Alert Devices connected to the WAN port do not have firewall protection. It is recommen ded that you
use another SonicWALL Internet security appliance to protect computers on the WAN.
2. Connect the SonicWALL t o a pow er outle t. For S onicWAL L PRO 200,PRO 300, PRO 230, and
PRO 330, press the Power Switch to the ON position.