[tor-dev] Using routers as bridges

George Kadianakis desnacked at gmail.com
Thu Jul 14 13:50:34 UTC 2011

Rob van der Hoeven <robvanderhoeven at ziggo.nl> writes:

> Hi folks,
> Bridges serve as "unknown" entry points to the TOR network. For this,
> part of the TOR network nodes are reserved and unlisted. This is not
> good for the performance of the network, and because the network is
> relatively small i think the unlisted-nodes strategy will only be a
> short term solution.
> At the moment i'm working on my own FreedomBox. From this work i got the
> following idea: Why not use the DNAT function of a router to forward TOR
> traffic to a TOR node? This way you don't need unlisted nodes anymore. A
> router-bridge does not have to be a full TOR node....
> Unfortunately the standard DNAT functionality of most routers only
> support DNAT from the internet to internal addresses. So you need
> modified firmware to make this work. Maybe a (slightly modified?)
> version of OpenWRT will work.
> Router-bridges have a second advantage over real TOR nodes. They can be
> easily moved. If a router-bridge gets blocked, you can simply give the
> router-bridge to a friend.
> To give you an example of internet-internet DNAT i have configured one
> of my systems to forward traffic to the TOR website. The URL is:
> https://wordpress.hoevenstein.nl/
> (If you try the URL you get a message about an invalid certificate of
> course)
> Let me know what you think about this idea...
> Rob van der Hoeven.
> http://freedomboxblog.nl
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Just mentioning that more-or-less your idea is the matter of
discussion of Tor trac ticket #2764.


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