[guardian-dev] Using Android VPN settings to secure all outbound traffic (without it actually being a VPN)

Chris Ballinger chrisballinger at gmail.com
Tue Mar 11 13:15:43 EDT 2014


I've been trying to port
tun2socks<https://code.google.com/p/badvpn/wiki/tun2socks>to OS X for
an unrelated
project <https://github.com/chrisballinger/Tether-iOS> but I believe it
solves the same problem. Here is the meat:
https://code.google.com/p/badvpn/source/browse/trunk/tun2socks/tun2socks.c

Might be easier to use the NDK than do a full rewrite in Java.


On Tue, Mar 11, 2014 at 6:20 AM, Nathan of Guardian <
nathan at guardianproject.info> wrote:

>
>
> On March 11, 2014 4:12:08 AM CDT, Matej Kovacic <matej.kovacic at owca.info>
> wrote:
> >Hi,
> >
> >> The upshot of it is that by using the VPN framework (Android 4.x and
> >up
> >> I believe?) which doesn't require root, you can encourage all your
> >> traffic down a TAP/TUN interface, and then perform your filtering
> >
> >OpenVPN for Android also works similar way. You do not need root
> >access.
> >
>
> Work on OrbotVPN is underway. There is even a github repo.
>
> The main challenge is that Tor works very different than a VPN underneath,
> with many connections to many servers, not just one tunnel.
>
> If anyone developers can help on this, please get in touch with me.
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