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Enabling or Disabling the OfficeScan Firewall

During the OfficeScan server installation, you are prompted to enable or disable the OfficeScan firewall.

If you enabled the firewall during installation and noticed an impact on performance, especially on server platforms (Windows Server 2003 and Windows Server 2008), consider disabling the firewall.

If you disabled the firewall during installation but now want to enable it to protect an endpoint from intrusions, first read the guidelines and instructions in Client Services.

You can enable or disable the firewall on all or select client computers.

To enable/disable the OfficeScan firewall on select computers:

Method A: Create a new policy and apply it to clients.

  1. Create a new policy that enables/disables the firewall. For steps in creating a new policy, see Adding or Modifying a Firewall Policy.

  2. Apply the policy to the clients.

Method B: Enable/Disable the firewall driver and service.

  1. Enable/Disable the firewall driver.

    1. Open Windows Network Connection Properties.

    2. Select or clear the Trend Micro Common Firewall Driver check box from the network card.

  2. Enable/Disable the firewall service.

    1. Open a command prompt and type services.msc.

    2. Start or stop OfficeScan NT Firewall from Microsoft Management Console (MMC).

Method C: Enable/Disable the firewall service from the web console

For the detailed steps, see Client Services.

To enable/disable the OfficeScan firewall on all client computers:

  1. Go to the Additional Services section.

  2. On the Firewall for networked computers row, click Enable or Disable.

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