Firewalls

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20

Summary, Conclusions, and

Recommendations

20.1 Chapter objectives

■ Designing and implementing future firewalls

■ Thwarting future firewall attacks

■ Recommending future firewall technology

■ Evaluating firewall intrusion-prevention systems

Today, protecting internetworked applications from malicious code

is of utmost importance to IT security professionals, particularly

when applications are available across the Internet. But even business-

to-business connections using encrypted Internet channels and private

leased lines or internal connections between organizational depart-

ments introduce risks to applications on the protected side of the

security ...