On Wed, May 11, 2016 at 07:40:17PM -0700, David Fifield wrote:
> On Sun, May 08, 2016 at 01:37:47PM -0700, David Fifield wrote:
> > With the meek blocking, it might be that they are doing some kind of
> > timing analysis, or it might be that we screwed up something simple like
> > the TLS signature
On Thu, May 12, 2016 at 12:19:29AM -0400, Roger Dingledine wrote:
> Do we know anything about how they decided to detect obfs4 (and what
> collateral damage they decided was acceptable there)?
No, we didn't find out how they were blocking obfs4. Justin suspects
it's not an IP blacklist because nei
On Wed, May 11, 2016 at 11:16:28PM -0400, Blake Hadley wrote:
> On 5/11/16 10:40 PM, David Fifield wrote:
>
> > Another solution is to change the front domain to something else, for
> > exmaple using google.com instead of www.google.com.
> Would it be feasible for a future release of meek to do th
On Wed, May 11, 2016 at 07:40:17PM -0700, David Fifield wrote:
> Justin helped me by running some tests and we think we know how this
> Cyberoam device is blocking meek connections. It blocks TLS connections
> that have the Firefox 38's TLS signature and that have an SNI field that
> is one of our
On 5/11/16 10:40 PM, David Fifield wrote:
> Another solution is to change the front domain to something else, for
> exmaple using google.com instead of www.google.com.
Would it be feasible for a future release of meek to do this automatically?
Just cycle through subdomains till one works?
Google
On Sun, May 08, 2016 at 01:37:47PM -0700, David Fifield wrote:
> With the meek blocking, it might be that they are doing some kind of
> timing analysis, or it might be that we screwed up something simple like
> the TLS signature. Could you try it in these configurations?
> Tor Browser 5.5.5
On Fri, May 06, 2016 at 06:47:10PM -0500, Justin wrote:
> Hi,
> I have a DPI box that I use to test pluggable transports with. I also
> test other circumvention tools against it just to see how good it is.
> Manufacturer is Cyberoam. About 6 or 8 weeks ago, Cyberoam released a
> DPI engine update
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Hmmm... I've been thinking about all this stuff, and reading up on the
PDFs.
I think "the parrot is dead" is a little over strict in his analysis,
I highly doubt they have technology as good as this yet and probably
wont have any time soon, so yes i
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Wow... I wasn't aware the PT system was so complicated and chaotic
under the hood. I assumed it was just a steg tunnel, simply give it
address(s), poke data in one end and it pops out the other end, rate
is limited by how much data you pull out of th
TheMindwareGroup writes:
> Bypassing DPI filters is a constantly evolving art form and entire
> field of research all on its own, and just like encryption extremely
> difficult to do well (check out bit torrent and emule obfuscation for
> example, a nice effort but when scrutinized not particular
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Bypassing DPI filters is a constantly evolving art form and entire
field of research all on its own, and just like encryption extremely
difficult to do well (check out bit torrent and emule obfuscation for
example, a nice effort but when scrutinized
On Tue, Dec 18, 2012 at 08:43:02PM -0800, David Fifield wrote:
> On Sat, Dec 15, 2012 at 08:11:08PM +0100, Sebastian G. wrote:
> > For Flashproxy could there be a metric how many flash proxies
> > (JavaScript Web socket proxies running on volunteer machines) have been
> > available at a given time
On Sat, Dec 15, 2012 at 08:11:08PM +0100, Sebastian G. wrote:
> For Flashproxy could there be a metric how many flash proxies
> (JavaScript Web socket proxies running on volunteer machines) have been
> available at a given time? (Maybe a graph over time.)
>
> The last can be probably provided by
> Hi,
>
> would it be possible to have metrics for pluggable transports?
>
Sure. However, much of the work in pluggable transport metrics is
currently under development and not ready for end-users.
I will answer the general pluggable transport questions and leave the
flashproxy stuff for David.
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