1. Hardware Firewall Feature © N. Ganesan, Ph.D.

2. Chapter Objectives Show the configuration of a hardware firewall such as Dlink DI 604 Illustrate the sharing of a single Internet connection with multiple computers that are connected as a LAN using the firewall/switch

3. Overview of the Steps Connect the firewall to a client computer Set the IP address of the client computer to access the firewall Access the firewall and set the firewall properties such as the WAN IP addresses etc. Reset the IP address of the client from static IP to dynamic IP Connect the firewall to the WAN and LAN

4. Firewall Connection Overlay Illustration showing the public side (WAN) and the private side (LAN)

5. Three Major Features of the Firewall Firewall using Network Address Translation (NAT) DHCP server Switch

6. Module Connecting the Firewall

7. Items Provided with the Firewall

8. Ports

9. Status Indicators

10. Typical Connection

11. End of Module

12. Module Specifying Client IP Address

22. Configuring the Firewall and the WAN Properties

23. Access from the client

34. Set Dynamic IP Address for the Client

35. Setting Dynamic IP Address It is not absolutely necessary to set the IP address of the client back to “dynamic” state However, it would be a good practice to do so

41. Checking for Internet Access

43. The End