[DNSOP] I-D Action: draft-ietf-dnsop-structured-dns-error-03.txt

internet-drafts@ietf.org Sat, 27 May 2023 02:50 UTC

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Subject: [DNSOP] I-D Action: draft-ietf-dnsop-structured-dns-error-03.txt
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A New Internet-Draft is available from the on-line Internet-Drafts
directories. This Internet-Draft is a work item of the Domain Name System
Operations (DNSOP) WG of the IETF.

   Title           : Structured Error Data for Filtered DNS
   Authors         : Dan Wing
                     Tirumaleswar Reddy
                     Neil Cook
                     Mohamed Boucadair
   Filename        : draft-ietf-dnsop-structured-dns-error-03.txt
   Pages           : 21
   Date            : 2023-05-26

   DNS filtering is widely deployed for various reasons, including
   network security.  However, filtered DNS responses lack information
   for end users to understand the reason for the filtering.  Existing
   mechanisms to provide explanatory details to end users cause harm
   especially if the blocked DNS response is to an HTTPS server.

   This document updates RFC 8914 by signaling client support for
   structuring the EXTRA-TEXT field of the Extended DNS Error to provide
   details on the DNS filtering.  Such details can be parsed by the
   client and displayed, logged, or used for other purposes.

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