Re: user-relative names - was:[Re: Yahoo and IPv6]

[Steven Bellovin <smb () cs columbia edu>]

On May 17, 2011, at 10:30 13PM, Joel Jaeggli wrote:

> On May 17, 2011, at 6:09 PM, Scott Weeks wrote:
>
> > --- joelja () bogus com wrote:
> > From: Joel Jaeggli <joelja () bogus com>
> > On May 17, 2011, at 4:30 PM, Scott Brim wrote:
> > > On May 17, 2011 6:26 PM, <Valdis.Kletnieks () vt edu> wrote:
> > > > On Tue, 17 May 2011 15:04:19 PDT, Scott Weeks said:
> > > >
> > > > > What about privacy concerns
> > > >
> > > > "Privacy is dead.  Get used to it." -- Scott McNeely
> > >
> > > Forget that attitude, Valdis. Just because privacy is blown at one level
> > > doesn't mean you give it away at every other one. We establish the framework
> > > for recovering privacy and make progress step by step, wherever we can.
> > > Someday we'll get it all back under control.
> >
> > if you put something in the dns you do so because you want to discovered. scoping the nameservers such that they 
> > only express certain certain resource records to queriers in a particular scope is fairly straight forward.
> > --------------------------------------------------------
> >
> >
> > The article was not about DNS.  It was about "Persistent Personal Names for Globally Connected Mobile Devices" where 
> > "Users normally create personal names by introducing devices locally, on a common WiFi network for example. Once 
> > created, these names remain persistently bound to their targets as devices move. Personal names are intended to 
> > supplement and not replace global DNS names."  
>
> you mean like mac addresses? those have a tendency to follow you around in ipv6...
This is why RFC 3041 (replaced by 4941) was written, 10+ years ago.  The problem
is that it's not enabled by default on many (possibly all) platforms, so I
have to have

# cat /etc/sysctl.conf
net.inet6.ip6.use_tempaddr=1

set on my Mac.


                --Steve Bellovin, https://www.cs.columbia.edu/~smb