TOP > main > Various Settings of the Product > The [SETTINGS] Menu > [Interface] Menu > [Network] > [Advanced] > [Firewall] [Firewall] Set the functions for the firewall. A firewall can improve security. It prevents unauthorized access from external computers or malicious programs. When the firewall is enabled, only the services and ports that are allowed will be able to access the product. • As a basic policy of filtering, all OUTPUT is allowed (ACCEPT) and both INPUT and FORWARD are not allowed (DROP). The setting items are as follows: Back to top