draft-ietf-dnsop-default-local-zones-11.txt   draft-ietf-dnsop-default-local-zones-12.txt 
Network Working Group M. Andrews Network Working Group M. Andrews
Internet-Draft ISC Internet-Draft ISC
Intended status: BCP March 31, 2010 Intended status: BCP April 8, 2010
Expires: October 2, 2010 Expires: October 10, 2010
Locally-served DNS Zones Locally-served DNS Zones
draft-ietf-dnsop-default-local-zones-11 draft-ietf-dnsop-default-local-zones-12
Abstract Abstract
Experience with the Domain Name System (DNS) has shown that there are Experience with the Domain Name System (DNS) has shown that there are
a number of DNS zones all iterative resolvers and recursive a number of DNS zones all iterative resolvers and recursive
nameservers should automatically serve, unless configured otherwise. nameservers should automatically serve, unless configured otherwise.
RFC 4193 specifies that this should occur for D.F.IP6.ARPA. This RFC 4193 specifies that this should occur for D.F.IP6.ARPA. This
document extends the practice to cover the IN-ADDR.ARPA zones for RFC document extends the practice to cover the IN-ADDR.ARPA zones for RFC
1918 address space and other well known zones with similar 1918 address space and other well known zones with similar
characteristics. characteristics.
skipping to change at page 1, line 42 skipping to change at page 1, line 42
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
The list of current Internet-Drafts can be accessed at The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt. http://www.ietf.org/ietf/1id-abstracts.txt.
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html. http://www.ietf.org/shadow.html.
This Internet-Draft will expire on October 2, 2010. This Internet-Draft will expire on October 10, 2010.
Copyright Notice Copyright Notice
Copyright (c) 2010 IETF Trust and the persons identified as the Copyright (c) 2010 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
skipping to change at page 3, line 26 skipping to change at page 3, line 26
4.5. IPv6 Link Local Addresses . . . . . . . . . . . . . . . . 7 4.5. IPv6 Link Local Addresses . . . . . . . . . . . . . . . . 7
4.6. IPv6 Example Prefix . . . . . . . . . . . . . . . . . . . 7 4.6. IPv6 Example Prefix . . . . . . . . . . . . . . . . . . . 7
5. Zones that are Out-Of-Scope . . . . . . . . . . . . . . . . . 7 5. Zones that are Out-Of-Scope . . . . . . . . . . . . . . . . . 7
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 8 6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 8
7. Security Considerations . . . . . . . . . . . . . . . . . . . 8 7. Security Considerations . . . . . . . . . . . . . . . . . . . 8
8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 9 8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 9
9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 9
9.1. Normative References . . . . . . . . . . . . . . . . . . . 9 9.1. Normative References . . . . . . . . . . . . . . . . . . . 9
9.2. Informative References . . . . . . . . . . . . . . . . . . 10 9.2. Informative References . . . . . . . . . . . . . . . . . . 10
Appendix A. Change History [To Be Removed on Publication] . . . . 10 Appendix A. Change History [To Be Removed on Publication] . . . . 10
A.1. draft-ietf-dnsop-default-local-zones-10.txt . . . . . . . 10 A.1. draft-ietf-dnsop-default-local-zones-12.txt . . . . . . . 10
A.2. draft-ietf-dnsop-default-local-zones-10.txt . . . . . . . 10 A.2. draft-ietf-dnsop-default-local-zones-11.txt . . . . . . . 11
A.3. draft-ietf-dnsop-default-local-zones-09.txt . . . . . . . 11 A.3. draft-ietf-dnsop-default-local-zones-10.txt . . . . . . . 11
A.4. draft-ietf-dnsop-default-local-zones-08.txt . . . . . . . 11 A.4. draft-ietf-dnsop-default-local-zones-09.txt . . . . . . . 11
A.5. draft-ietf-dnsop-default-local-zones-07.txt . . . . . . . 11 A.5. draft-ietf-dnsop-default-local-zones-08.txt . . . . . . . 11
A.6. draft-ietf-dnsop-default-local-zones-06.txt . . . . . . . 11 A.6. draft-ietf-dnsop-default-local-zones-07.txt . . . . . . . 11
A.7. draft-ietf-dnsop-default-local-zones-05.txt . . . . . . . 11 A.7. draft-ietf-dnsop-default-local-zones-06.txt . . . . . . . 11
A.8. draft-ietf-dnsop-default-local-zones-04.txt . . . . . . . 11 A.8. draft-ietf-dnsop-default-local-zones-05.txt . . . . . . . 11
A.9. draft-ietf-dnsop-default-local-zones-03.txt . . . . . . . 11 A.9. draft-ietf-dnsop-default-local-zones-04.txt . . . . . . . 11
A.10. draft-ietf-dnsop-default-local-zones-02.txt . . . . . . . 11 A.10. draft-ietf-dnsop-default-local-zones-03.txt . . . . . . . 11
A.11. draft-ietf-dnsop-default-local-zones-01.txt . . . . . . . 11 A.11. draft-ietf-dnsop-default-local-zones-02.txt . . . . . . . 11
A.12. draft-ietf-dnsop-default-local-zones-00.txt . . . . . . . 12 A.12. draft-ietf-dnsop-default-local-zones-01.txt . . . . . . . 12
A.13. draft-andrews-full-service-resolvers-03.txt . . . . . . . 12 A.13. draft-ietf-dnsop-default-local-zones-00.txt . . . . . . . 12
A.14. draft-andrews-full-service-resolvers-02.txt . . . . . . . 12 A.14. draft-andrews-full-service-resolvers-03.txt . . . . . . . 12
Appendix B. Proposed Status [To Be Removed on Publication] . . . 12 A.15. draft-andrews-full-service-resolvers-02.txt . . . . . . . 12
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 12 Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 12
1. Introduction 1. Introduction
Experience with the Domain Name System (DNS, [RFC1034] and [RFC1035]) Experience with the Domain Name System (DNS, [RFC1034] and [RFC1035])
has shown that there are a number of DNS zones that all iterative has shown that there are a number of DNS zones that all iterative
resolvers and recursive nameservers SHOULD automatically serve, resolvers and recursive nameservers SHOULD automatically serve,
unless intentionally configured otherwise. These zones include, but unless intentionally configured otherwise. These zones include, but
are not limited to, the IN-ADDR.ARPA zones for the address space are not limited to, the IN-ADDR.ARPA zones for the address space
allocated by [RFC1918] and the IP6.ARPA zones for locally assigned allocated by [RFC1918] and the IP6.ARPA zones for locally assigned
skipping to change at page 9, line 12 skipping to change at page 9, line 12
F.E.F.IP6.ARPA may still need to be deployed in the short term if the F.E.F.IP6.ARPA may still need to be deployed in the short term if the
traffic becomes excessive. traffic becomes excessive.
For IPv6 Non-Locally Assigned Local addresses (L = 0) [RFC4193], For IPv6 Non-Locally Assigned Local addresses (L = 0) [RFC4193],
there has been no decision made about whether the Regional Internet there has been no decision made about whether the Regional Internet
Registries (RIRs) will provide delegations in this space or not. If Registries (RIRs) will provide delegations in this space or not. If
they don't, then C.F.IP6.ARPA will need to be added to the list in they don't, then C.F.IP6.ARPA will need to be added to the list in
Section 4.4. If they do, then registries will need to take steps to Section 4.4. If they do, then registries will need to take steps to
ensure that name servers are provided for these addresses. ensure that name servers are provided for these addresses.
This document also ignores IP6.INT. IP6.INT has been wound up with IP6.INT was once used to provide reverse mapping for IPv6. IP6.INT
only legacy resolvers now generating reverse queries under IP6.INT was deprecated in [RFC4159] and the delegation removed from the INT
[RFC4159]. zone in June 2006. While it is possible that legacy software
continues to send queries for names under the IP6.INT domain, this
document does not specify that IP6.INT be considered a local zone.
This document has also deliberately ignored names immediately under This document has also deliberately ignored names immediately under
the root domain. While there is a subset of queries to the root name the root domain. While there is a subset of queries to the root name
servers which could be addressed using the techniques described here servers which could be addressed using the techniques described here
(e.g. .local, .workgroup and IPv4 addresses), there is also a vast (e.g. .local, .workgroup and IPv4 addresses), there is also a vast
amount of traffic that requires a different strategy (e.g. lookups amount of traffic that requires a different strategy (e.g. lookups
for unqualified hostnames, IPv6 addresses). for unqualified hostnames, IPv6 addresses).
6. IANA Considerations 6. IANA Considerations
skipping to change at page 11, line 42 skipping to change at page 11, line 45
[RFC5735] Cotton, M. and L. Vergoda, "Special-Use IPv4 Addresses", [RFC5735] Cotton, M. and L. Vergoda, "Special-Use IPv4 Addresses",
RFC 5735, January 2010. RFC 5735, January 2010.
[RFC5737] Arkko, J., Cotton, M., and L. Vergoda, "IPv4 Address [RFC5737] Arkko, J., Cotton, M., and L. Vergoda, "IPv4 Address
Blocks Reserved for Documentation", RFC 5737, Blocks Reserved for Documentation", RFC 5737,
January 2010. January 2010.
Appendix A. Change History [To Be Removed on Publication] Appendix A. Change History [To Be Removed on Publication]
A.1. draft-ietf-dnsop-default-local-zones-10.txt A.1. draft-ietf-dnsop-default-local-zones-12.txt
Update IP6.INT's non inclusion rational.
Removed Appendix B, which requested BCP status, as it was redundant.
A.2. draft-ietf-dnsop-default-local-zones-11.txt
Change RFC 3330 to RFC 5735 Change RFC 3330 to RFC 5735
A.2. draft-ietf-dnsop-default-local-zones-10.txt A.3. draft-ietf-dnsop-default-local-zones-10.txt
added RFC 5737 zones added RFC 5737 zones
A.3. draft-ietf-dnsop-default-local-zones-09.txt A.4. draft-ietf-dnsop-default-local-zones-09.txt
refresh awaiting writeup refresh awaiting writeup
A.4. draft-ietf-dnsop-default-local-zones-08.txt A.5. draft-ietf-dnsop-default-local-zones-08.txt
editorial, reference updates editorial, reference updates
A.5. draft-ietf-dnsop-default-local-zones-07.txt A.6. draft-ietf-dnsop-default-local-zones-07.txt
none, expiry prevention none, expiry prevention
A.6. draft-ietf-dnsop-default-local-zones-06.txt A.7. draft-ietf-dnsop-default-local-zones-06.txt
add IPv6 example prefix add IPv6 example prefix
A.7. draft-ietf-dnsop-default-local-zones-05.txt A.8. draft-ietf-dnsop-default-local-zones-05.txt
none, expiry prevention none, expiry prevention
A.8. draft-ietf-dnsop-default-local-zones-04.txt A.9. draft-ietf-dnsop-default-local-zones-04.txt
Centrally Assigned Local addresses -> Non-Locally Assigned Local Centrally Assigned Local addresses -> Non-Locally Assigned Local
address address
A.9. draft-ietf-dnsop-default-local-zones-03.txt A.10. draft-ietf-dnsop-default-local-zones-03.txt
expanded section 4 descriptions expanded section 4 descriptions
Added references [RFC2136], [RFC3596], Added references [RFC2136], [RFC3596],
[I-D.draft-ietf-dnsop-as112-ops] and [I-D.draft-ietf-dnsop-as112-ops] and
[I-D.draft-ietf-dnsop-as112-under-attack-help-help]. [I-D.draft-ietf-dnsop-as112-under-attack-help-help].
Revised language. Revised language.
A.10. draft-ietf-dnsop-default-local-zones-02.txt A.11. draft-ietf-dnsop-default-local-zones-02.txt
RNAME now "nobody.invalid." RNAME now "nobody.invalid."
Revised language. Revised language.
A.11. draft-ietf-dnsop-default-local-zones-01.txt A.12. draft-ietf-dnsop-default-local-zones-01.txt
Revised impact description. Revised impact description.
Updated to reflect change in IP6.INT status. Updated to reflect change in IP6.INT status.
A.12. draft-ietf-dnsop-default-local-zones-00.txt A.13. draft-ietf-dnsop-default-local-zones-00.txt
Adopted by DNSOP. Adopted by DNSOP.
"Author's Note" re-titled "Zones that are Out-Of-Scope" "Author's Note" re-titled "Zones that are Out-Of-Scope"
Add note that these zone are expected to seed the IANA registry. Add note that these zone are expected to seed the IANA registry.
Title changed. Title changed.
A.13. draft-andrews-full-service-resolvers-03.txt A.14. draft-andrews-full-service-resolvers-03.txt
Added "Proposed Status". Added "Proposed Status".
A.14. draft-andrews-full-service-resolvers-02.txt A.15. draft-andrews-full-service-resolvers-02.txt
Added 0.IN-ADDR.ARPA. Added 0.IN-ADDR.ARPA.
Appendix B. Proposed Status [To Be Removed on Publication]
This Internet-Draft is being submitted for eventual publication as an
RFC with a proposed status of Best Current Practice.
Author's Address Author's Address
Mark P. Andrews Mark P. Andrews
Internet Systems Consortium Internet Systems Consortium
950 Charter Street 950 Charter Street
Redwood City, CA 94063 Redwood City, CA 94063
US US
Email: marka@isc.org Email: marka@isc.org
 End of changes. 20 change blocks. 
41 lines changed or deleted 44 lines changed or added

This html diff was produced by rfcdiff 1.38. The latest version is available from http://tools.ietf.org/tools/rfcdiff/