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Re: [tor-talk] transparent tor routers

On Mon, 2016-01-18 at 15:46 +0100, Aeris wrote:
> > Hardware offering Tor routing is becoming very cheap and I think it's
> > time to reexamine what we can do with it. 
> > 
> > If you want to play, here is some hardware I recently bought that can
> > run Tor firmware:
> > 
> > http://www.amazon.com/GL-AR150-router-150Mbps-OpenWrt-Pre-installed/dp/B015C
> > YDVG8/
> Not so simple.
> As explain in private, you *need* to avoid Tor inside Tor.
> So you need some smart firewall, based on ipset generated from the consensus, 
> to route Tor connection directly and proxify everything else, or multiple 
> access point and ESSID to discriminate usage.
> And in this case, cheap routers with OpenWRT have nor enough memory nor CPU to 
> manage properly those corner cases.
> For example, Tor ipset loading already takes few minutes on a Olimex A20 Lime 
> (512MB DDR3 + dual core 1GHz), I canât imagine decent/usable perf on a AR150 
> (64MB DDR + 400MHz).
> You also need some basic Tor configuration web UI (bridge, firewalled portâ) 
> adapted for not-savy users.
> No enough place on tiny routerâ

Sorry, I do not understand why things are difficult. The Tor daemon has
support for transparent proxying. See:


Besides some extra torrc entries, only a few simple firewall rules are

I can also assure you that Tor works quite well on the router hardware
mentioned above. I'm only playing with the hardware but I have not
encountered any problems yet. Performance is OK too.



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