DNS: Only cache CNAME if part of the queried domain#16873
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Motivation: We should only cache the CNAME if it is part of the queried domain to ensure the name server is really authoritive for it and not provide us incorrect data. Modifications: - Only cache if CNAME is part of the queried domain - Add unit test Result: No more DNS Cache Poisoning (Bailiwick Bypass) possible
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Auto-port PR for 5.0: #16898 |
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Motivation:
We should only cache the CNAME if it is part of the queried domain to ensure the name server is really authoritive for it and not provide us incorrect data.
Modifications:
Result:
No more DNS Cache Poisoning (Bailiwick Bypass) possible