Solve : tcp/ip filtering,i only want the bare minimum.?

1.	Solve : tcp/ip filtering,i only want the bare minimum.?
Answer» under the section of TCP/ip filtering it list the FOLLOWING,TCP ports, UDP ports, IP PROTOCOLS and the settings are set to allow all in all three CATAGORIES. my question is, are there a bare minimum i can set to allowed? and also is it possible to prevent my machine from responding to a ping request? i am using comodo firewall and do not see ANYTHING that would prevent this. i have checked with google on all that is litsted above and have been unsuccessfull in finding the answers. thanks for your time on this !

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