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dns error #12855

Answered by zhen86889
zhen86889 asked this question in Help
Apr 12, 2024 · 1 comments · 9 replies
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Hello, Following the testing method outlined in https://github.com/openresty/lua-resty-dns/issues/70 , we set up a simplified DNS server and were unable to reproduce the issue. Therefore, we shifted our troubleshooting focus to our production DNS service. After analysis, we discovered that the issue was caused by our DNS server truncating the response without setting the tc flag when transmitting information that exceeded the UDP packet size limit. Thanks again to the community for your assistance.

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@chronolaw
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@chobits
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@zhen86889
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@zhen86889
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