ion toronto - why implement dnssec?

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Why DNSSEC? James Galvin, Ph.D. Afilias Limited 11 November 2013 ION Toronto © 2013 Afilias Limited 1

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ION Toronto, 11 November 2013: What is DNSSEC and why is it so important? We’ll discuss the business reasons for, and financial implications of, deploying DNSSEC, from staying ahead of the technological curve, to staying ahead of your competition, to keeping your customers satisfied and secure on the Internet.

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Page 1: ION Toronto - Why Implement DNSSEC?

Why  DNSSEC?  

James  Galvin,  Ph.D.  Afilias  Limited  

11  November  2013  ION  Toronto  

©  2013  Afilias  Limited   1  

Page 2: ION Toronto - Why Implement DNSSEC?

Afilias  and  DNSSEC  •  Afilias  makes  Internet  addresses  

more  accessible  and  useful  through  registry  services,  Managed  DNS,  and  mobile  Web  services  like  goMobi®  and  DeviceAtlas®.  –  Operator  INFO  and  MOBI  –  Host  to  9  ccTLDs  and  7  gTLDs  –  Have  one  of  the  largest  DNS  

infrastructures  •  Started  with  DNSSEC  in  2008  

–  Signed  ORG  in  June  2009  –  ORG  offered  signed  delegaYons  in  

June  2010  –  Root  signed  in  July  2010  –  Signed  all  TLDs  and  offered  signed  

delegaYons  soon  aZer  

©  2013  Afilias  Limited   2  

Page 3: ION Toronto - Why Implement DNSSEC?

•  DNSSEC  Basics  •  Benefits  of  DNSSEC  •  Internet  Future  

©  2013  Afilias  Limited   3  

Page 4: ION Toronto - Why Implement DNSSEC?

DNSSEC  -­‐  BASICS  

©  2013  Afilias  Limited   4  

Page 5: ION Toronto - Why Implement DNSSEC?

What  is  DNSSEC?  •  DNSSEC  provides  an  asserYon  

by  a  zone  that  a  specific  data  element  is  bound  to  a  domain  name.  

•  This  is  most  oZen  used  to  bind  an  IP  address  to  a  domain  name,  e.g.,  to  find  a  web  site.  

•  The  validaYon  of  the  asserYon  is  possible  independent  of  its  source.  

•  Benefits  –  CriYcal  Infrastructure:  

everything  uses  the  DNS  –  Hierarchical:  delegate  and  

distribute  responsibility  

©  2013  Afilias  Limited   5  

Page 6: ION Toronto - Why Implement DNSSEC?

DNS  with  DNSSEC  

USER  PC  

Stub  Resolver  

SLD  Authorita;ve  NS    

Itera;ve  Resolver  

TLD  Authorita;ve  

NS  

Local  cache  

ROOT  SERVERS  

Local  cache  

DNSSEC

-­‐aware  applicaY

ons   2  

1  

3  2  1   3  

DNSSEC  

DNSSEC  

DNSSEC  

©  2013  Afilias  Limited   6  

Page 7: ION Toronto - Why Implement DNSSEC?

Who  are  the  Players?  •  Domain  registraYon  system  

–  Registries:  operate  the  TLDs  –  (Registrars):  middleman  

between  registry  and  registrant  

–  Registrant:  own,  manage,  and  deploy  domain  names  

•  Domain  name  system  –  Root  system  –  Registries  –  DNS  Operators  

•  Community  –  ISPs  –  Users  

©  2013  Afilias  Limited   7  

Page 8: ION Toronto - Why Implement DNSSEC?

BENEFITS  OF  DNSSEC  

©  2013  Afilias  Limited   8  

Page 9: ION Toronto - Why Implement DNSSEC?

Why  DNSSEC?  •  DNSSEC  protects  the  DNS  system  

from  cache  poisoning  adacks,  viz  the  “Kaminsky  Bug”  

•  DNSSEC  is  the  next  step  in  the  evoluYon  of  the  Internet,  similar  to  the  web  back  in  1993.  

•  DNS  is  a  criYcal  infrastructure  system.    Virtually  everything  depends  on  it.  

•  Deploying  a  safe  and  secure  DNS  is  not  just  the  right  thing  to  do,  it  is  the  cornerstone  of  building  the  next  generaYon  Internet,  a  safe  and  secure  Internet.  

©  2013  Afilias  Limited   9  

Page 10: ION Toronto - Why Implement DNSSEC?

Without  DNSSEC…  

When  you  visit  a  web  site  can  you  be  sure  you  are  communicaYng  with  the  

server  that  you  think  you  are?    

   

©  2013  Afilias  Limited   10  

Page 11: ION Toronto - Why Implement DNSSEC?

TLS/SSL  and  DNSSEC  benefits  

Users  from  DNS  data  tampered  by    or  originaYng  from  malicious  actors    

DNS  Data   Signed  

Encryp;on  

Authen;ca;on  DNSSEC   DNSSEC  

Integrity  DNS  Data  

Guaranteed  not  tampered  DNSSEC

TLS   !^^x<>  Data   Data        TLS/SSL  Channel  

Data  

DNSSEC  protects…  

©  2013  Afilias  Limited   11  

Page 12: ION Toronto - Why Implement DNSSEC?

INTERNET  FUTURE  

©  2013  Afilias  Limited   12  

Page 13: ION Toronto - Why Implement DNSSEC?

Building  Trusted  Domains  •  A  domain  name  is  just  a  label.    

Most  commonly  used  to  idenYfy  hosts  and  services.  –  Web  sites  –  ApplicaYon  servers  

•  DNSSEC  ensures  we  have  the  correct  service/address  

•  TLS/SSL  (hdps)  gives  us  good  confidence  that  we  have  a  encrypted  tunnel  

•  Matching  the  domain  in  the  TLS/SSL  cerYficate  with  the  domain  from  DNSSEC  offers  greater  assurance  that  you  are  communicaYng  with  the  desired  site/service  

©  2013  Afilias  Limited   13  

Page 14: ION Toronto - Why Implement DNSSEC?

DNSSEC  Challenges  •  Security  increases  the  

baseline  experYse  required  •  Key  management  becomes  

mainstream  –  Key  rollover  Ymings  are  

subtle  •  DNS  operators  are  visibly  

essenYal  –  Transfers  are  a  process  

•  Key  rollover  is  required  •  Losing  and  gaining  operator  

must  overlap  services  

•  New  relaYonship  –  DNS  Operator  and  registrar/

registry  

©  2013  Afilias  Limited   14  

Page 15: ION Toronto - Why Implement DNSSEC?

The  demand  for  DNSSEC?  

•  A  mix  of  pioneers,  early  adopters  and  legislated  compliance  

•  In  the  early  stages  for  registrant/user  awareness  

Barriers   Incen;ves  

New  hw  &  sw  soluYons  

Signing  TLDs  

Costs  

Complexity  

©  2013  Afilias  Limited   15  

Page 16: ION Toronto - Why Implement DNSSEC?

What’s  Next?  •  Centralize  the  complexity  

–  Registrars  –  DNS  operators  –  ApplicaYon  service  providers  

•  Keep  it  simple  for  the  registrant/user  –  Should  be  invisible  

•  DNSSEC  is  about  what  we  can  do  with  it.    It  is  an  essenYal  building  block  in  a  criYcal  infrastructure  system  that  will  change  the  Internet  in  ways  we  can  not  yet  imagine.  

©  2013  Afilias  Limited   16  

Page 17: ION Toronto - Why Implement DNSSEC?

IETF  and  Pervasive  Monitoring  

•  Last  week  leading  engineers  agreed  that  pervasive  monitoring  is  a  threat  to  the  Internet  –  hdp://www.iet.org/media/2013-­‐11-­‐07-­‐internet-­‐privacy-­‐and-­‐security.html  

©  2013  Afilias  Limited   17  

Page 18: ION Toronto - Why Implement DNSSEC?

Thank  You!  

James  Galvin  jgalvin    “at”    afilias.info  +1-­‐215-­‐706-­‐5715    hdp://afilias.info/dnssec  

©  2013  Afilias  Limited   18