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DNS Flag Day 2020

Blog post from Cloudflare

Post Details
Company
Date Published
Author
Christian Elmerot
Word Count
951
Company Posts That Month
37
Language
English
Hacker News Points
5
Post removed?
No
Summary

DNS Flag Day is an initiative by several DNS vendors and operators to increase compliance with DNS standards, making DNS more secure, reliable, and robust. The goal for this year's flag day is to improve DNS messaging reliability by focusing on problems around IP fragmentation of DNS packets. This involves ensuring cleartext DNS messages sent over UDP are not too large and that larger DNS messages can be sent reliably over TCP. Cloudflare fully supports the initiative, as it aims to make DNS more reliable and robust, and ensures a common set of features for the DNS community to evolve on.

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