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fix(tls): warn when ECH uses unverified DNS - #973

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ryanfowler merged 1 commit into
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fix/ech-dns-privacy-warning
Aug 8, 2026
Merged

fix(tls): warn when ECH uses unverified DNS#973
ryanfowler merged 1 commit into
mainfrom
fix/ech-dns-privacy-warning

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Summary

  • classify configured DNS transports by verified transport security
  • warn once in verbose mode when ECH discovery can expose the hostname
  • document and test plaintext, silent, redirect, and verified DoH behavior

Validation

  • cargo fmt
  • cargo clippy --locked --all-targets --all-features -- -D warnings
  • cargo test --locked --all-features --lib --bins
  • cargo test --locked --all-features --test network -- --test-threads=2
  • focused DNS transport and ECH warning tests

Classify DNS transport security and emit the verbose privacy warning once across redirects. Document the warning and cover plaintext, silent, and verified DoH behavior.
@ryanfowler
ryanfowler enabled auto-merge (squash) August 8, 2026 11:39
@ryanfowler
ryanfowler merged commit 41b2994 into main Aug 8, 2026
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@ryanfowler
ryanfowler deleted the fix/ech-dns-privacy-warning branch August 8, 2026 11:45
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