October 2002
Beginner
506 pages
16h 24m
English
Content preview from Mastering™ Network Security, Second Edition
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7.4. NIDS Fusion
In an attempt to not only overcome the limitations of traditional NIDS, but also allow for more proactive defense, NIDS research is pushing toward the integration—or to use the more common term of military origin, the fusion—of data. By combining the packet information (the actual information being communicated) from servers and hosts, along with information about other types and sources, NIDS systems can more accurately determine information about an attack. Additional data sources include the following:
Filesystem
Using Tripwire or some other type of software to create and compare file signatures can add a powerful last line of defense. Although using a filesystem IDS won't prevent a cracker from penetrating your system, ...
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