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Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Page 1 of 7 Application Note Cisco IOS ® Firewall Intrusion Detection System Application Overview As network security becomes increasingly critical to securing business tra
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and computer resources, businesses must integrate security into the network design and infrastructure. Security policy enforcement is most effective when it is an inherent component of the network. Cisco Systems protects your business by providing easy-to-manage integrated security solutio
for your network. Cisco IOS ® Firewall Intrusion Detection System (IDS) is a complementary solution to Cisco security appliances and can integrate easily with the appliances. The Cisco IOS IDS is a security-specific option for Cisco IOS Software, integrating robust firewall functio
and intrusion detection for every network segment. Intrusion detection systems provide a level of protection beyond the firewall by protecting the network from internal and external security attacks and threats. Cisco IOS IDS is ideal for any network

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