On Sunday 05 July 2009 10:21:08 user1 wrote: > On Saturday 04 July 2009 07:26:23 pm you wrote: > > On Saturday 04 July 2009 14:42:13 user1 wrote: > > > > There is no such thing as an unknown friend. If you just want Freenet > > > > to work, use opennet. Friends are connections to nodes run by people > > > > *you personally know*. Adding nodes randomly not only does not > > > > significantly improve security over opennet, but it also sabotages the > > > > network topology, as we discovered before we implemented opennet. > > > > > > I do not only want Freenet to work, it already is working, but I do not > > > really feel as safe as the Freenet project should make you if you were > > > connected via friends *smile* > > > > Not easily possible afaics. > > > > > Here are some follow questions: > > > > > > How safe is it to use Freenet using opennet, how anonymous are you > > > really? > > > > Safer than if you are using bittorrent/a web browser. Beyond that, well it > > depends on your opponent and how much he already knows, and your usage > > patterns, and so on... > > > > > How safe are you, using opennet, lets say in percent? (provokative) :-) > > > > Percent isn't a measure we can easily compute. A theoretical measure is an > > anonymity set, but again it depends on the strength of the attacker and so > > on. > > > > > Is Freenet only suitable for groups of people knowing each others > > > personally in real life, to use Freenet using friends, like p£olitical > > > groups etc. ? > > > > There are some cases/assumptions in which Freenet is fairly secure. There > > are other scenarios in which it is much less so. Sorry I can't give you the > > confidence you'd like. :| Darknet helps in several important ways: - It is > > much harder to identify your node, if your opponent is simply trying to > > find and block/raid/etc Freenet nodes regardless of content. - Local > > attacks are much less likely as the only people who can attack you are the > > people you've added manually; on opennet, it is possible for an attacker to > > get connected to you. - Any attack involving the attacker moving across the > > network and slowly homing in on an identity is much harder because the > > attacker has to compromise or seize nodes or engage in social engineering > > at each hop. > > > > > Are individual people let out using Freenet, if they want to be as > > > invisible as such a "polit¾ical group", and are you really safe against > > > being caught by it experts, who really want to catch you, if you really > > > want to be invisible? - that is if you do not have "friends" in real > > > life, which probably most people do not have. > > > > How many facebook friends do you have? Social networks *can* work once > > there is sufficient density. Right now Freenet is quite small, quite slow, > > and has relatively little content, and most people don't know anyone using > > it. That will change as it improves. > > Okay, do you realise, that we are communicating directly to you/me, not using > the mailing list ? > that was not my intention *smile* > > If we, let's say is a h£ells a£ngels group of some 20 persons all only > connected to each others, does that mean, that we only are using the 20 nodes > all the time, not meeting any other nodes, if we are only using darknet? > A kind of closed freenet network?
Sure, closed darknets are feasible. But open darknets are much more interesting. One of the HA group is also a member of a different darknet group, so the darknet grows; more generally, your friends and your friends' friends are generally not the same, so it is possible to have a large network in relatively few hops, this is the "small world effect". One key requirement is that there be many "short" links and a few "long" links, but what short and long mean in the real world is unclear; in routing terms, large differences in location, in real-world terms, probably a long link corresponds to a friend in a different geographical location, or a different occupation, or mostly different social circles, etc.
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