Hour 10. Firewalls
What You’ll Learn in This Hour:
Good intruders know that servers are always looking for connections. Every service you run on your network creates new opportunities for the bad guys to break in. But you can’t just shut everything down. What is the point of a network if not to promote and support communication? After years of experimentation and some high-profile hacks, the experts began to realize that the best solution was to provide a protected space for the network to function normally and restrict outside access to controlled and predefined types of communication. The bulwark preserving that protected space from invasion is a highly specialized tool ...
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