I-D Action: draft-pan-dnsop-edns-isp-location-04.txt
internet-drafts@ietf.org Tue, 27 March 2018 04:06 UTC
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : ISP Location in DNS Queries Authors : Lanlan Pan Yu Fu Filename : draft-pan-dnsop-edns-isp-location-04.txt Pages : 24 Date : 2018-03-26 Abstract: Nowadays, many Authoritative Nameservers support GeoIP feature, they guess the user's geolocation by the client subnet of EDNS Client Subnet (ECS) or by the source IP address of DNS query, return tailor DNS response based on the user's geolocation. However, ECS raises some privacy concerns because it leaks client subnet information on the resolution path to the Authoritative Nameserver. This document is inspired by EDNS Client Subnet (ECS), describes an improved solution for GeoIP-enabled Authoritative Nameservers, defines an EDNS ISP Location (EIL) extension to address the privacy problem of ECS, tries to find the right balance between privacy improvement and user experience optimization. EIL is defined to convey isp location < COUNTRY, AREA, ISP > information that is relevant to the DNS message. It will directly provide the same sufficient information for the GeoIP-enabled Authoritative Nameserver as ECS, to decide the response without guessing geolocation of the IP address. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-pan-dnsop-edns-isp-location/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-pan-dnsop-edns-isp-location-04 https://datatracker.ietf.org/doc/html/draft-pan-dnsop-edns-isp-location-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-pan-dnsop-edns-isp-location-04 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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