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REMOTELY TRIGGERED BLACK HOLE FILTERING— DESTINATION BASED AND SOURCE BASED
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![Understanding DNS sinkholes - A weapon against malware [updated 2021] | Infosec Resources](https://resources.infosecinstitute.com/wp-content/uploads/062414_2128_DNSSinkhole1.png "Understanding DNS sinkholes - A weapon against malware [updated 2021] | Infosec Resources")
Understanding DNS sinkholes - A weapon against malware [updated 2021] | Infosec Resources
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DNS filtering | AdGuard DNS Knowledge Base
