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Re: [tor-talk] Thoughts on Tor-based social networking?
On 10/27/2013 6:41 PM, Roger Dingledine wrote:
Hi Bill, Check out
https://lists.torproject.org/pipermail/tor-relays/2013-August/thread.html#2558
including my response at the end
https://lists.torproject.org/pipermail/tor-relays/2013-August/002575.html
for the latest version of this answer. As for "Tor based secret
identities that can accrue reputation", check out Nymble:
http://cgi.soic.indiana.edu/~kapadia/nymble/ (and there are several
other research groups with similar ideas). But nobody has deployed a
Nymble-like service in a usable way, and also it's not clear that it
would solve the types of problems you describe. --Roger
Thanks for the links, Roger. On the first thread, I agree with you that
exit nodes should not be expected to analyze the unencrypted traffic to
determine if behavior is acceptable. That's what NSA exit nodes are for
:-p However, OpenDNS style filtering should be acceptable, IMO. It'd
be a simple set of flags that each exit node says it supports or blocks,
so it could be fairly simple for Tor users to route to an acceptable
exit node. I would want the same flags for relay nodes as well. That
would block some sites people don't want to redirect, such as porn sites
- not that I have issues with porn. I just don't want to waste my
bandwidth routing it.
However, that wont stop griefers. Nymble sounds like a step in the
right direction to me. I would prefer to add a social networking
component with reputations and a web-of-trust. That would allow
anonymous users to have public secret identities, and I suspect that
people would behave better in general if they needed to earn their
peers' trust. Nymble would give servers a way to black-list Tor users,
but that's only useful after griefers have struck. Requiring a specific
trust or reputation threshold to allow Tor users access to a service
might stop griefers before they strike. Users could have multiple
secret identities in case they have different kinds of things they like
to do on the Internet.
Bill
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