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Date: Sun, 6 Jul 2014 23:34:53 -0700
From: "Odinn Cyberguerrilla" <odinn.cyberguerrilla@riseup.net>
To: "Wladimir" <laanwj@gmail.com>
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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Anyone still using SOCKS4?
Precedence: list

Wait, I thought SOCKS4 was supposed to help somehow in terms of preventio=
n
of leaking of information?

Or maybe I am misremembering.  Here's what I'm thinking of...
1) https://trac.torproject.org/projects/tor/wiki/doc/Preventing_Tor_DNS_L=
eaks

2) More regarding TOR,
"

I keep seeing these warnings about SOCKS and DNS information leaks. Shoul=
d
I worry?

The warning is:

Your application (using socks5 on port %d) is giving Tor only an IP
address. Applications that do DNS resolves themselves may leak
information. Consider using Socks4A (e.g. via Polipo or socat) instead.

https://www.torproject.org/docs/faq#WarningsAboutSOCKSandDNSInformationLe=
aks

I'm not sure that means I'm screaming fire or anything, but isn't there
some good reason for SOCKS4 and SOCKS4A?
Or maybe another way to ask this is:  Looking at an example in which
someone is running Tor, Privoxy, I2P, and FoxyProxy together while runnin=
g
Bitcoin Core, would there be a problem with having a setting for SOCKS4A
for traffic in such a setup given the changes proposed to remove SOCKS4 a=
s
suggested in bitcoin-development?

Probably there is just a simple answer to that last question, like "no."
But I thought I'd ask.

> On Wed, Jun 11, 2014 at 5:39 PM, Wladimir <laanwj@gmail.com> wrote:
>
>> If no one screams fire, we plan on removing support for it in the next
>> major release, for two reasons:
>>
>> - It would remove some crufty, hardly tested code paths
>>
>> - SOCKS5 offers better privacy as it allows DNS redirection
>
> Another one:
>
> - SOCKS5 supports IPv6
>
> Last call...
>
> Wladimir
>
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