Protecting an intranet from external hackers and curious Web surfers is a dirty job, but since you're probably the network reseller, you have to do it. One popular way to enforce intranet security is to deploy a firewall, but it's hardly a straightforward solution. That sounds simple enough, but the process of designing an ACP that matches a customer's needs can drive a reseller to drink.
All firewalls compare information about incoming and outgoing traffic to a set of predefined rules.
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