How to configure a sonicwall tz 170

Written by alan hughes
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How to configure a sonicwall tz 170
(Thinkstock Images/Comstock/Getty Images)

The SonicWALL TZ 170 is a low-cost security appliance featuring multilayered security. Its features include protection against viruses and spyware, intrusion prevention, firewall capabilities, and optionally, content filtering and virtual private networking (VPN) support. The TZ 170 firewall offers deep packet inspection as part of its firewall capabilities. The default license covers 10 computers, but by adding licenses to the TZ 170, you can protect an unlimited number of computers on your network.

Skill level:
Moderately Challenging

Things you need

  • Computer
  • Internet connection
  • Web browser
  • Ethernet cables

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  1. 1

    Power on the SonicWALL TZ 170. After the test light goes out, the appliance is ready to be configured.

  2. 2

    Connect your Internet router or modem to the WAN port on the TZ 170 with an Ethernet cable. The WAN light on the TZ 170 should light up, indicating a successful connection.

  3. 3

    Connect your computer to the TZ 170 by plugging one end of an Ethernet cable into your computer's Ethernet network port and plugging the other end into port 1 on the back of the TZ 170. The light for port 1 should light up, indicating a successful connection.

  4. 4

    Configure the properties of your network connection to use a manual Internet protocol (IP) address setting, and set the IP address and subnet mask to and, respectively. Turn off pop-up blocking in your browser.

  5. 5

    Start a browser session, enter "" in the address field and press "Enter." This launches the SonicWALL Setup Wizard Welcome Screen. Click "Next" to begin configuration on the "Change Password" screen .

  6. 6

    Change the default password to something more secure, write down the new password and store it in a secure place. Click "Next."

  7. 7

    Set the time zone on the "Change Time Zone" screen. Set the time zone to your local time zone. You can optionally set the TZ 170 to automatically adjust the clock for Daylight Savings Time. Click "Next."

  8. 8

    Select your "WAN Network Mode" by selecting either "Static IP" to set an unchanging IP address for your TZ 170, or "DHCP" to allow your ISP router to issue an IP address. You can also select "PPPoE" if your ISP requires a username and password to login, or "PPTP" if you dial into a server for authentication. Click "Next."

  9. 9

    Enter the required network information on the second "WAN Network Mode" screen that your ISP provides. The format of the next several screens will depend on the network information you provided in the previous step. Enter the information requested and click "Next" on each screen. When you get to the "LAN Settings" screen, proceed to the next step.

  10. 10

    Accept the default local area network (LAN) information or enter your own. In most cases, you can leave the defaults and they will work just fine. Click "Next."

  11. 11

    Accept the defaults on the "LAN DHCP Settings" screen, or provide your own settings. If you already have a DHCP server on your network, or want to set static IP addresses for the clients on your network, uncheck the "Enable DHCP Server on LAN" box. If you choose to leave the SonicWALL DHCP server enabled, enter an address range or accept the defaults. Click "Next."

  12. 12

    Review the settings on the next screen, which is the "SonicWALL Configuration Summary." Click "Apply" to apply the settings to the TZ 170, or "Cancel" to start over.

  13. 13

    Click "Restart" on the "Setup Wizard Complete" screen to finish the configuration and reboot the TZ 170. When the test light goes out, the SonicWALL TZ 170 should be ready to protect your network.

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