Bittorrent Mainline DHT and Tor

[bh]

The DHT uses UDP(not TCP) as its transport, which Tor does not support.

Some references:

DHT spec:
http://bittorrent.org/beps/bep_0005.html

Tor and other transports:
https://www.torproject.org/docs/faq#TransportIPnotTCP

On 2015-01-13 20:46, Cathal Garvey wrote:
> Hey all,
> I'm aware that (for pretty good reasons) bittorrent is "blocked" by most
> exits on Tor. However, I'm unsure how this blockage is implemented, and
> it just emerged as a relevant item in my thought-process: the Bittorrent
> "Mainline" DHT is not necessarily useful to Bittorrent alone, but is
> frequently used as an experimental platform for other P2P applications.
> 
> Is the bittorrent DHT blocked by Tor exits, or just the Bittorrent
> file-transfer protocol? If the latter, how is that block enacted when
> most bittorrent apps support protocol obfuscation and dynamic ports?
>