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bortzmeyer/antitrackers.md

Created November 11, 2019 10:23
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Blocking hidden trackers (Eulerian, Criteo) on Knot Resolver
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antitrackers.md

For the Knot DNS resolver (used for instance on the Turris:

-- https://www.shaftinc.fr/escalade-traque-eulerian.html
policy.add(policy.suffix(policy.DENY, {todname('eulerian.net.')}))
policy.add(policy.suffix(policy.DENY, {todname('dnsdelegation.io.')}))
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Note that it is not a good solution since (to quote the documentation) "The policy module currently only looks at whole DNS requests. The rules won’t be re-applied e.g. when following CNAMEs." So, it only blocks the initial QNAME while we want to block aliases. For further study.

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