Re: [liberationtech] Verification of censorship resistance

2016-11-18 Thread Philipp Winter
On Fri, Nov 18, 2016 at 11:04:48AM -0500, Richard Brooks wrote: > analysis. Does anyone have write ups on what national > firewalls are using to filter traffic? > > There are the obvious DNS names, IP addresses, port numbers > and keywords in the traffic content. > > What other header fields may

Re: [liberationtech] Y! / SSL

2014-10-06 Thread Philipp Winter
On Mon, Oct 06, 2014 at 11:52:02AM +0800, Eric S Johnson wrote: I just got back to CN from a vacation. I’m now (in all three main Windows browsers) seeing yahoo.com automatically flip over to HTTPS--and then give a bad cert error. The *root* cert is listed as yahoo.com and is valid “23 Sep 14

[liberationtech] CfP: USENIX Free and Open Communications on the Internet

2014-04-17 Thread Philipp Winter
The annual FOCI workshop is having an open CfP. I attached it below. The workshop invites technical as well as policy submissions so I hope it is of interest to this mailing list. Cheers, Philipp --- We are pleased to announce that the Call for Papers for the 4th USENIX Workshop on Free and

Re: [liberationtech] tools for meta-data protection

2013-06-16 Thread Philipp Winter
On Fri, Jun 14, 2013 at 11:13:43PM -0700, Jonathan Wilkes wrote: Is there a list somewhere for software that gives a user more privacy regarding their meta-data? If not then here's a three-pronged start: 1) Peer-reviewed, stable: * Tor - https://www.torproject.org/ 2) Not (yet)

Re: [liberationtech] Cryptocat Censored in China

2012-12-22 Thread Philipp Winter
On Sat, Dec 22, 2012 at 09:50:18AM +, Joss Wright wrote: On Sat, Dec 22, 2012 at 09:58:50AM +0200, Nadim Kobeissi wrote: I would like to report that Cryptocat is now being censored in China. The URLs being 100% blocked are: - Cryptocat Project Website: https://project.crypto.cat -

Re: [liberationtech] Cryptocat Censored in China

2012-12-22 Thread Philipp Winter
On Sat, Dec 22, 2012 at 05:25:10PM +0200, Nadim Kobeissi wrote: Where are you testing from? According to GreatFire.org, both websites are being blocked via throttling. The same site also reported that crypto.cat (the main server) was censored on September 6, although this was luckily

Re: [liberationtech] /. ITU Approves Deep Packet Inspection

2012-12-06 Thread Philipp Winter
On Wed, Dec 05, 2012 at 08:28:36PM +0100, Petter Ericson wrote: Transparent IPv4-to-IPv6 tunneling, detection of certain forms of abuse, QoS modificaton, traffic monitoring and shaping. Obviouly, these are mostly happening at a firewall or equivalent, which is kind of the point. Very

Re: [liberationtech] Images of Blocking in Different Countries?

2012-08-15 Thread Philipp Winter
On Thu, Aug 16, 2012 at 03:04:04AM +0800, Eric S Johnson wrote: Yes—they stopped doin packet inspection in about 2008, near as I can tell. From: Steve Weis [mailto:stevew...@gmail.com] Sent: Thursday, 16 August 2012 00:56 To: Eric S Johnson Cc: Stanford tech list Subject: Re:

Re: [liberationtech] Images of Blocking in Different Countries?

2012-08-15 Thread Philipp Winter
On Wed, Aug 15, 2012 at 02:55:33PM +0800, Eric S Johnson wrote: Sometimes (inconsistently), an attempt to see blocked content results not only in the content not being delivered, but also a “punishment” meted out to the offending user: all attempts to access servers outside China

Re: [liberationtech] Images of Blocking in Different Countries?

2012-08-15 Thread Philipp Winter
On Thu, Aug 16, 2012 at 05:15:49AM +0800, Eric S Johnson wrote: I.e. it's easy to register a new domain (call it TestChinaCyberFiltering.org) and put up onto it a handful of pages which include every possible word and phrase which we know are problematic to the Chinese censors. Start with the

Re: [liberationtech] Images of Blocking in Different Countries?

2012-08-15 Thread Philipp Winter
On Thu, Aug 16, 2012 at 05:15:49AM +0800, Eric S Johnson wrote: I.e. it's easy to register a new domain (call it TestChinaCyberFiltering.org) and put up onto it a handful of pages which include every possible word and phrase which we know are problematic to the Chinese censors. Start with the

Re: [liberationtech] Images of Blocking in Different Countries?

2012-08-13 Thread Philipp Winter
On Sun, Aug 12, 2012 at 09:14:48PM -0700, Adam Fisk wrote: My understanding is that China just shows a blank page. Is that correct? That depends on the type of filtering. The keyword filtering infrastructure forcefully terminates connections and depending on the browser you will get an error