A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the DNS PRIVate Exchange WG of the IETF.
Title : DNS Zone Transfer-over-TLS
Authors : Willem Toorop
Sara Dickinson
Shivan Sahib
Pallavi Aras
Allison Mankin
Filename : draft-ietf-dprive-xfr-over-tls-12.txt
Pages : 42
Date : 2021-05-27
Abstract:
DNS zone transfers are transmitted in clear text, which gives
attackers the opportunity to collect the content of a zone by
eavesdropping on network connections. The DNS Transaction Signature
(TSIG) mechanism is specified to restrict direct zone transfer to
authorized clients only, but it does not add confidentiality. This
document specifies the use of TLS, rather than clear text, to prevent
zone content collection via passive monitoring of zone transfers:
XFR-over-TLS (XoT). Additionally, this specification updates RFC1995
and RFC5936 with respect to efficient use of TCP connections, and
RFC7766 with respect to the recommended number of connections between
a client and server for each transport.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-dprive-xfr-over-tls/
There is also an htmlized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-dprive-xfr-over-tls-12
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-dprive-xfr-over-tls-12
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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