... policy. Otherwise the user of this technology has to determine what kind of access he wants to allow or to deny. Then he can start configuring it. But why do we need a firewall?. from my experience I believe that as there is no way to stop those people who have nothing to do but wasting time and money for other people, who are trying to do their work or deliver information to others through the internet, so a firewall is very helpful for them as it keeps intruders out of the network while legitimate users could finish their work. After knowing the need for a firewall we can start working on designing one, but we talked before we need to define policies for our application, as the firewall will be filtering the traffic or allow services to be delivered to users so it's better to define a network policy or a ...

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