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Re: Malicious Exit Nodes?



I'm pretty sure that the "keeping a connection open" issue which you
describe is due to AOL allowing people to be signed in from multiple
locations. I know that iChat.app did not allow for you to be signed on
in more than one place, so I'm guessing that you can disable the
multiple locations feature somehow (a quick search of the OSCAR
protocol turned up nothing however...). I would not attribute this
behaviour to malicious exit nodes.



See also:

http://www.techweb.com/article/printableArticle.jhtml;articleID=26802976
http://www.aim.com/help_faq/common_problems.adp
http://www.ocf.berkeley.edu/~jjlin/aim-certs.html

On 8/5/05, Mike Perry <mikepery@xxxxxxxxxx> wrote:
> Thus spake Hideki Saito (hidekis@xxxxxxxxx):
> 
> > If it is AIM, you can type "1" when that message appears to force
> > logoff people in other connection.
> 
> That may solve the problem of stolen messages after you log back in,
> but what about while you are offline.
> 
> Is this "keeping a connection open" actually a property of Tor? Or is
> it some bug? Or do we actually have rogue exit nodes operating here?
> 
> Should I make some effort to make a list of exits this happens for?
> 
> > 2005/8/4, Harry Hoffman <hhoffman@xxxxxxxxxxxxxxxx>:
> > > Mike,
> > >
> > > Yep, it happens quite frequently to me. I haven't been able to investigate
> > > yet so I don't IM thru tor right now :-(
> > >
> > > but remember that if someone wanted to they can steal your creds on their
> > > exit node.
> > >
> > > Cheers,
> > > Harry
> > >
> > >
> > > On Thu, 4 Aug 2005, Mike Perry wrote:
> > >
> > > > Is anyone else experiencing issues with remaining logged on to AIM
> > > > (specifically gaim) after signing off when using Tor? For some reason
> > > > even after explicitly going to signoff, my screenname remains online
> > > > and I lose IMs. When I go to sign on again I get the annoying "Your
> > > > AIM account is being used in another location", sometimes even hours
> > > > later.
> > > >
> > > > I don't really know the AIM protocol, but doesn't it log you out
> > > > automatically normally as soon as the TCP connection dies? Perhaps Tor
> > > > isn't properly terminating randomly dropped circuits? But what about
> > > > when I deliberately go to signoff?
> > > >
> > > > This is obviously distressing, because what is to stop someone from
> > > > say, intercepting and then dropping my logoff at an exit server and
> > > > then keeping the connection alive to recieve copies of my IMs..
> > > >
> > > > --
> > > > Mike Perry
> > > > Mad Computer Scientist
> > > > fscked.org evil labs
> > > >
> > >
> >
> >
> > --
> > Hideki Saito mailto: hidekis@xxxxxxxxx
> 
> --
> Mike Perry
> Mad Computer Scientist
> fscked.org evil labs
>