Here's an article on the basics of firewalls. "A firewall puts up a barrier that controls the flow of traffic between hosts, networks and domains. The safest firewall would block all traffic, but that defeats the purpose of the . . .
Here's an article on the basics of firewalls. "A firewall puts up a barrier that controls the flow of traffic between hosts, networks and domains. The safest firewall would block all traffic, but that defeats the purpose of the connection. Strict control over selected traffic is needed, according to a logical security policy. A firewall can also conceal the topology of your internal network and network addresses from public view."
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