[tor-relays] Amazon abuse report

Nelson nelson at net2wireless.net
Fri Nov 1 18:22:19 UTC 2013

Please excuse my ignorance operating Tor relays, but if I run an exit
node on Windows 7 and use something like Peerblock and correspoding
block lists of P2P sites, wouldn't this be somewhat effective in
stopping this sort of undesired traffic on Tor?

On 11/1/2013 10:48 AM, Paritesh Boyeyoko wrote:
> On Friday 01 Nov 2013 05:37:14 I wrote:
>> The advice on how to manage exit problems seems to
>> be very sound and Tor is defensible because it is being abused by
>> torrenting also.
> ...and this is something else I don't quite understand.  People who know about 
> Tor (which obviously includes exit operators) are well aware of the stress 
> that BitTorrent puts on the Tor network.
> The paper http://planete.inrialpes.fr/papers/TorTraffic-NSS10.pdf shows 54.48% 
> of the traffic passing through the sample exit nodes was BiTorrent traffic.
> Myself and others (I'm sure) look forward to the day when the Tor network 
> comprises 100,000+ 100Mb/s nodes.  However, until that time comes I would 
> think that exit node operators would (wrong choice of words incoming) make 
> more effort to use a whitelisted exit policy, thereby starving BitTorrent of 
> bandwidth, and forcing those users away from this "free VPN".  The likes of 
> Vuze (Azureus) don't help the situation by offering Tor as an option.
> Would it be worth putting together selection of template Exit Policies which 
> exit node operators can cut & paste into their torrc?  Or (and this is more a 
> dev question) have an "include" directive where separate policy files can be 
> specified (and therefore substituted), something like this:
> ExitPolicy include /etc/tor/mail.exit
> ExitPolicy include /etc/tor/rdp.exit
> ExitPolicy include /etc/tor/web.exit
> ExitPolicy include /etc/tor/chat.exit
> Combine this with a default reject *:* policy and it *may* lead to a change of 
> culture and squeeze BitTorrent out.  It may even help reduce the number of 
> DMCA notices that exit operators get.
> Thoughts?

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