McAfee Help

You can change your Personal Firewall settings to suit your needs, and you can also restore Personal Firewall to its original settings at any time. You might want to restore the defaults when you are experiencing problems and need to return your protection to a known state, but don't remember which settings you have changed.

1	Open the Firewall settings page. How? 1 On the Home Page, click Firewall. 2 Click Settings.
2	Click Restore Defaults.