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feat: dns lookup function #123

Merged
merged 2 commits into from
Apr 8, 2024
Merged

feat: dns lookup function #123

merged 2 commits into from
Apr 8, 2024

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tobyxdd
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@tobyxdd tobyxdd commented Apr 6, 2024

Example of detecting proxy protocols that use "SNI spoofing" (such as Xray Reality):

- name: SNI mismatch
  action: block
  log: true
  expr: tls?.req?.sni != nil && ip.dst not in concat(lookup(tls.req.sni, "1.1.1.1:53"), lookup(tls.req.sni, "8.8.8.8:53"))

@tobyxdd tobyxdd added the enhancement New feature or request label Apr 6, 2024
@tobyxdd tobyxdd requested a review from haruue April 6, 2024 21:45
@tobyxdd tobyxdd self-assigned this Apr 6, 2024
@tobyxdd tobyxdd merged commit 393c29b into master Apr 8, 2024
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@tobyxdd tobyxdd deleted the wip-lookup branch April 8, 2024 00:49
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@haruue haruue haruue approved these changes

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