Overview
In this note, you
will learn how to:
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Recognize Cisco IOS Firewall security problems and solutions
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Use Context-Based Access Control (CBAC)
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Configure the Cisco IOS Firewall
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Use the two methods of IOS Firewall
Administration
With the growing awareness of, and commitment to, network security
as the way to secure business transactions both internally and over the
Internet, more and more businesses are recognizing that security concepts and
features must be integrated into the network design and infrastructure.
According to Cisco advertising, 80 percent of the Internet
backbone routers run Cisco IOS software, making it the most fundamental
component of today’s network infrastructure. The Cisco IOS software-based
security features, combined with the wide range of products supported, make it a
logical solution for any organization’s end-to-end Internet, intranet, and
remote access network security requirements.
This chapter looks at the key components of the IOS Firewall
features, and compares the functionality and limitations to the PIX Firewall
devices. PIX Firewall devices are introduced in the next note, and then expanded on
later in the advanced PIX chapters.
|
STUDY TIP |
The material in this chapter is part of the exam objectives
for both the Managing Cisco Network Security (MCNS) and Cisco Secure PIX
Firewall Advanced (CSPFA) exams. |
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