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Date: Fri, 7 Dec 2012 20:01:45 +0000
From: Philip Whitehouse <>
To: "" <>
Cc: full-disclosure <>
Subject: Re: Nokia phone forcing traffic through proxy

On 7 Dec 2012, at 19:03, Jeffrey Walton <> wrote:

> On Fri, Dec 7, 2012 at 11:55 AM, Gaurang Pandya <> wrote:
>> It has been noticed that internet browsing traffic, instead of directly
>> hitting requested server, is being redirected to proxy servers. They get
>> redirected to Nokia/Ovi proxy servers if Nokia browser is used, and to Opera
>> proxy servers if Opera Mini browser is used.
>> More detailed info at :
> It sounds a lot like
> We know proxies can cause a lot of trouble in practice. For example,
> Proxies and data snatching are the reason to pin certificates when
> using VPN and SSL/TLS if a pre-existing relationship exists (for
> example, you know the host and its public key). Are you talking to an
> Nokia/Ovi proxy, an Interception proxy (perhaps enabled by Trustwave),
> or the host expected during a SSL/TLS negotiation?
> We now have a much better body of knowledge. Its too bad most browser
> don't offer the features for those who are security conscious. On
> Android, Google went so far as to offer pinning as "opt-in" for sites:
> Jeff

BlackBerry does this, Amazon Kindle Fire almost certainly does it, for caching purposes. I'm not sure whether that's why the Nokia phone is doing it though - you need a good infrastructure to support it.


Philip Whitehouse
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