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Re: Problem with Tor & IceCat

From: znavko
Subject: Re: Problem with Tor & IceCat
Date: Mon, 7 Jan 2019 08:16:34 +0100 (CET)

Yes, Tor plugin in Icecat 63 not works properly. I reported it to a developer through his website.

There is one important thing that Tor plugin breaks. If you look at there are lines you should configure in about:config page in Icecat
network.proxy.socks_remote_dns    true
network.dns.disablePrefetch       true
network.dns.disableIPv6           true

So plugin resets  'network.proxy.socks_remote_dns' to 'false' every time it runs and every time you start Icecat having tor plugin is activated. And this is why ISP performs dns requests.

Jan 7, 2019, 2:02 AM by address@hidden:
On Sun, Jan 06, 2019 at 15:09:51 -0500, Joshua Branson wrote:
Now, when you start icecat, you may have to click on the tor plugin to
activate it, but it normally autostarts for me.

Also, at least for me, that doesn't configure my browser to access tor
hidden services. But it does run all of your http traffic through the
tor network, which is pretty cool.

That's concerning to me: it seems to imply that DNS requests are _not_
being proxied through Tor, which could leak very sensitive information
to your ISP and other parties.

I use FoxyProxy Standard[0] (just by habit over the many years I've used
Tor with Firefox), so I hadn't tried the Addon distributed with
Icecat. FoxyProxy has an option to proxy DNS requests through Tor (and
does so by default IIRC).


Mike Gerwitz
Free Software Hacker+Activist | GNU Maintainer & Volunteer
GPG: D6E9 B930 028A 6C38 F43B 2388 FEF6 3574 5E6F 6D05

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