Re: [tor-talk] Hidden Services

[Gregory Maxwell <gmaxwell@xxxxxxxxx>]

On Wed, Sep 19, 2012 at 1:36 AM, grarpamp <grarpamp@xxxxxxxxx> wrote:
>> People use robots.txt to indicate that they don't want their site to
>> be added to indexes.
> And if a site is so concerned about someone else publishing a link,
> however obtained, then they should name it something innocent and
> password protect it or use better operational security to begin with.

And they should all move to places where they won't be killed for
disfavored political views, and we should all personally audit the
source that we run, and we should anticipate any attack or abuse...

It seems to me that there is a common expectation is that onion urls
provide a degree of name privacyâ generally, if someone doesn't know
your name they can't find you to connect to you. If someone violates
that expectation it risks harming people until the new risks are well
known (and still even then some, as no matter how well known it is
some people will miss the fact that something enumerates the darn
things).

Perhaps the convention is dumb. But that doesn't make it right to act
in a way that can be expected to harm people when you know better and
can avoid it.

Hopefully some kind of NG onion would include addition data in the
link which is used for introduction so rendezvous collection couldn't
get usable addresses (e.g. something as simple as an additional secret
used to complete a challenge-response knock with the end host, or as
complicated it could pack in a small ECDSA private key, the onion site
provides the RP with the public key, and for a connection to proceed
the connecting host must sign a permission slip to get past the RP,
before even getting to knock).  Though this wouldn't do anything to
prevent a service like tor2web from data harvesting.
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