[tor-dev] How to build a Router that will only allow Tor users

Tom Ritter tom at ritter.vg
Tue Mar 15 17:10:35 UTC 2016

On 15 March 2016 at 10:52, Martin Kepplinger <martink at posteo.de> wrote:
> Hi,
> I try to configure OpenWRT in a way that it will only allow outgoing
> connections if it is Tor. Basically it is the opposite of "blacklisting
> exit relays on servers": "whitelisting (guard) relays for clients". It
> should *not* run Tor itself.
> A first test setup (onionoo document, ipset and iptables) kind of
> worked. It's definitely doable, but not totally trivial in the end.
> What did *not* work, was starting Torbrowser. That's a hard requirement,
> and before bebugging it through I ask: Do I miss something when I just
> allow outgoing connections to
>  * Guard,
>  * Authority,
>  * and HSDir flagged relays (do I *need* them? that's a different
> question probably)

Well it won't work with bridges obviously, including the hardcoded
ones in TBB...


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