Properly configured firewall

I am no expert in these matters, so tell me how to properly configure the firewall so that the defense was good and smaller issues. ???

I believe this might be what you’re looking for.
http://www.techsupportalert.com/content/how-install-comodo-firewall.htm

Quick tip,

If you want the Firewall to alert you for any application which doesnt have a rule for it in Firewall->Network Security Policy then you need to switch Firewall->Firewall Behaviour Settings, move the slider up to “Custom” and set the “Alert Settings” to at least High.

Matty

Hey and Welcome Black Star

mark all in advanced (firewall —> frewall behavior settings —> Advanced).

Regards,
Valentin