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Dark Side of the DNS Force

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Intro<br />

Subdomain<br />

Mechanism<br />

Impact<br />

Outro<br />

Operation<br />

Mitigation<br />

Operation Disruption<br />

Authoritative name server <strong>of</strong>ten serves more than one domain,<br />

so does <strong>DNS</strong> resolver (cache/recursive)<br />

A major ISP operation may be taken down by small-scale<br />

subdomain attacks<br />

• 2gbps vs 300gbps

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