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Netværkssikkerhed

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Intrusion detection systemer (IDS)<br />

• Kategorier<br />

—Misuse<br />

• Signature-based<br />

—Anomaly-based<br />

• Statistics, packet sizes, destinations, protocol<br />

distributions, etc<br />

• Typer<br />

—NIDS<br />

—HIDS<br />

—IPS<br />

• Produkter<br />

—Tripwire, Snort, ISS<br />

• Problemer<br />

—Synkronisering (f.eks. tid), datamængder, switches, signaturdatabase,<br />

fastlæggelse af normalbillede<br />

09/10/2012 ITU 7.35

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