Windows Firewall Notifier is a third party program for Windows 7 and Vista that extends the default Windows embedded firewall behavior, allowing to handle outgoing connections.
This application only uses existing Windows features, enabling some of them when first launched:
Enables the Windows embedded firewall
Sets the firewall to block both inbound and outbound connections for which no rule exists
Enables the default Windows firewall inbound connection notification
Enables the Windows firewall outbound connections logging (disabled by default)
Creates a scheduled task linked to the Windows firewall event log entries, allowing Windows Firewall Notifier to be launched when needed only
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