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OONI: Let's Fight Internet Censorship, Together!

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found that and see the if it welcome everybody to our next talk only let's find Internet censorship together when you think about it it censorship should I guess that a lot of people would just have an association with countries like China or Iran Saudi Arabia but not a lot of people are aware that filtering and blocking of websites and Internet censorship also takes place in almost all the other countries around the world and this talk will educate you about this our speaker is up to often he is the founder and developer of of wheat and he will tell you more about this super interesting project officers in this talk peace given a warm round of applause thank you bye I guess I would like to start with thanking you and the sort of expressing how much this is an honor for me to present this project are in front of an audience like C C C R and then coming to to these advances since I was just just over 18 years of age of and so I think this project and and also there are a large part of my adult life is also due to the encounters and the things that I have learned that events like this on and so on to get right into it and I think 0 yeah the 1st thing that we should start with when they're talking about a project like many of is understand what we're talking about so to frame what what we mean when we
say the Internet censorship and because of these these yeah
the this summer video connection of
OK yes so what is internet censorship and with it within the context of the mean when we talk about Internet censorship of what we mean is that some form of network interference of that comes with intent to disruptive or distort the reality of the law of the Internet of from the perspective of a country or a network on so it means that it it it requires of intent from the sensor to create this alternative view of what is on the internet but another term that we use to define the Internet censorship is is a filter in it and what we'll see in during the course of this presentation is that there in fact many filter nets around the world and the depending on which country you are in our and depending on the on the regime of all or of the ideology of those in power of different views of of what is acceptable and not acceptable to be done on the Internet of Things are in force
and so money or the open observatory of metric interference is this metric measurement project that was started back in 2012 and it's a community of that led to the project that's composed of a network of volunteers uh that install the softer and collect evidence of Internet censorship around the world but since the until today we have gathered measurements from over 200 countries and we have the measurements coming in from tens of thousands of different metrics every month on bed that that this sort of the founding principles of around in the and the reason why we decided to work on this project is that we we want to sort of bring out to the field of metric measurement and in particular of the field the metric measurement applied to detecting a metric interference and or Internet censorship of the principles of openness and transparency of Sunni is of open methodologies a which means that all of the tools and techniques that we use in order to of examine Internet censorship are openly documented and specified of sort of like in RFC format and and these allow people to of validates that what we are claiming to do is actually reasonable and and and fair but the the methodology is that of that we um that we specify are then implemented using open source software us so you can verify that's what we defined in this specification is in fact consistent with what is implemented and all the data that is collected by the thousands and tens of thousands of hundreds of thousands of volunteers around the world that are made available openly as open data so anybody can use this data for their own purposes and of a sort of from from the beginning to the end of the chain of validate that what we are doing is in fact of correct and and reasonable and and hopefully by doing all of this but we will reach at some point of a state of a stage in which but we can we can say that what we're doing is in fact reproducible research so that the every step from the definition of what you do to the implementation to the publication of the data is entirely reproducible all of our quote tooling like all of our back infrastructure even our sysadmin scripts are made available openly so anybody can set up their own who need if you know they wish but before going on to what money is but I would like to to give you a taste of what the what is possible with this sort of research as in what are the sorts of things that can be discovered by and collecting network measurements of around the world and these are obviously just some on small samples so you can learn more about each of these case by reading our full length reports but this is sort of more to show you what is the kind of impact that of a tool like the probe can have in the the in the world so the 1st case I would like to talk to you about what is the 1 that maybe you have heard in the news or maybe not because it was not covered as well and it's around the the protests in Ethiopia in in December although some of last year 2016 but these protests sparked but in a particular region region of the geochemical the horrible region and the around the summer conflict related to the expansion of a certain city of the borders of the city and is a that that would do in a way around In sort of basically kicker people out of their homes because they would certainly have a bigger a house of like a big city in in where they live and and so this this led to some very serious protest that were very violent and of the police was also very and brutal to the to the protesters I led to many deaths I and and as a result of these protests it also some metric interference was done so in order to the staff of the protesters from communicating in organizing but what's up was blocked so the protesters could no longer a coordinate or of organize themselves and and with the we gathered evidence of this so we could prove in an undeniable way that what's up was blocked by the deep packet inspection technology was being used by and we are also able to understand precisely how it was working that allowed us even to give some advice on what to some site operators could do to even circumvented in some way but and many websites of from media outlets on human rights websites and obviously political opposition websites but were found to be blocked during this period of time following this is in in Ethiopia uh the state of a state of emergency was declared a starting from October 8th but 2016 but just until a couple of some months ago August 2007 17 so lasting 10 months but what's interesting from this some sort of cases that what we found evidence of is actually blocking and censorship being implemented before the state of emergency but which in theory it was something that was not supposed to be allowed and together with the Amnesty International we published a research report on outlining our findings and so providing evidence that this was something that that was in fact happening and and was clearly on not something that at at to clear human rights violations but another interesting case of that we worked on together with our our our partner are Malaysian partners in a project that was a published in May 2017 and it was also the study of the Internet censorship in Indonesia so we found that many and many sites of the various categories were blocked but I think that 1 of the most interesting things from the from this particular report what was the fact that we collected measurements from and around 60 different networks are and based on these were able to see that there was actually very much some difference between the different operators in terms of what was being blocked and what was not being blocked us so as an example of the neon red it but were found to be blocked on certain inter service providers in Indonesia up although the band for blocking such websites was supposedly lifted 2 years ago and this stands I guess from the fact that uh the Indonesian legislation of states that the internet service providers of art are granted the authority of to inhibit or block content but that is considered negative content of and they are left on their own to make this judgment call of what constitutes negative content and as a result you see 1 of quite some variation in terms of the which sites are blocked and which are not blocked from the and this is why it's important even in places where you may say you know that censorship is happening yes you may know that censorship is happening but you don't necessarily know about what the censorship of your neighbor looks like even if they live in the same country the and then there is a
very interesting reports that I think that we could spend an entire of 1 hour told could just discussing about of this particular country that was published in September 2017 of and it was on the country of Iran and there we found an astounding the number although of sites to be to be blocked of I think in a in total we counted 1 thousand of and 20 EUR als of 2 blocks of ranging from all sorts of various different categories and and without going too much in depth into this of would would would I should say any theory on is that is definitely 1 of the countries that has 1 of the most state of the art Internet censorship apparatuses and they implement the most so the advanced of forms of Internet censorship of and and in 2 interesting aspects that are unique to this country I think are at 1 that the censorship that they implement is done in let's say non deterministic fashion out what this means is that you will visit a website and it's not that every connection to that website will be terminated immediately or every time you visited they will just selectively drops some packets of every certain number of requests of leading the user to think in some cases that are of the website is not in fact blocks but is just unreliable or not not functioning properly the other aspect that we found that there was quite interesting is that given the fact that we analyze a corpus of data dating back to 2014 we were also able to track the evolution of censorship over the course of these years on and 1 of the things that we found was that of certain websites such as Intergraph Instagram but that previously they were blocking only specific posts so specific images or specific pages on the site that were deemed of sort of unacceptable or against the you know the the morale of the majority of but as Instagram rolled out each EPS on all of the websites but the Iranian government was put in a situation where the EU the blocked all the website or they could not block the specific pages and so I mean I guess this is more something to reflect upon of how the sometimes something that you take as just a positive thing and it clearly is a positive thing to have uh websites implement AGPS and have a secure connections to them up but it does also lead to sometimes to summer some effects that are not not not expected maybe and this is an example that so now Instagram is entirely blocked of in in in in certain that we see another case that probably you have heard about and happened in in Spain just a couple of months ago and it was a around the the the cat Catalonia independence referendum and the there was a some of our movement to to do a referendum to claim independence from Spain are for the Spanish region of Catalonia and as a result of this of the Spanish government decided that 1 1 way to sort of object create an obstacle for the success of this of this movement was that lot of implementing censorship and blocking websites but I think the reason why this is something important to to talk about here in Europe is that we should not forget that all these things also happen in our home and that oftentimes when we talk or think about Internet censorship but we we think is it something that happens only over there but in fact that many countries in europe implement censorship for for gambling or other reason and it's kind of a slippery slope because once you have the infrastructure in place of that can be used to implement inference censorship of those in power from can possibly abuses to you know do things that are clearly not acceptable our and so during the Catalan referendum 25 websites were blocked out of the adult cats but registry was raided by the police and they force them to take down of or block a series of cats domains of that were our hosting just information about the Catalonian dependence of referendum so I hope this is giving you an idea of what what are the sort of things that can come out of the Running a softer like probe and collecting the sort of evidence the so now what I would like to talk to you a bit about is the of ecosystem of the softer so the various softer components that make up the probe and all the things that you see here are open source you can now like you know get clone them and Hakim them to on to your pleasing and and the and the the 1st thing that that that all all tell you a bit about this is the sort of engine that we probe of the client that we used to run the metric experiments but is is based on and is called measurement kit and this is a C + + library that we use to implement all of our network measurement experiments and is currently supports Android IOS is the 2 primary targets but it's also works on any Unix system and we're on in in the process of ensuring that it works properly on Windows as well all we have J i and no OJS findings as so you can include this library inside of a project of yours but where you need to do some particular experiments that involve the of measuring networks as they said that the tool that we use to collect metric measurement data is me probe but we have an Android and IOS act of that you can download on your on your phone and it's also available on F-Droid and we have the Mac OS and Linux as well but in the form of the web UI also from but we are also working on the more fully featured a proper desktop clients that will support also also windows as well as Mac and Linux and the set of tests that that we do not as a guest of you use someone understood from from the the the the case studies of our mainly around these sorts of categories so we have tested examined a web censorship so whether or not a particular website is blocked or is not blocked of we check to see if instant messaging acts like a Facebook messenger Telegram what's up excetera at work or do not work well we have a series of tests for censorship circumvention tools like of poorer VPN of lantern siphon etc. and then we have some test that of sort of are more trying to understand that a certain characteristics about your network so whether or not a middle box also something like a transparent HCV proxy or something that is intersecting your connections and and fording on them for you is present on your network and more recently was started to have also test for examining speed and performance this is how
our or mobile apple looks like and you can run it on your on your phone and the and check to see what is blocked or not blocked in your network and by doing so you're contributing up to our global understanding of Internet censorship around the world so this is our our death
subtitle as I was saying is a web user interface the and this is another
interesting thing that we have recently launched a but which is is sort of a way for you to also engage other people want to monitor or a stand up for uh against Internet censorship of for the things that you care about so with clear and what you can do is you can add a list of your else that you want to monitor so for example and let's say animal rights of an activist group in Germany wants to monitor some German websites they will create a new run link and when people click on this if they have the app installed in the apple open and will offer to test of the sites that they want to test so but we obviously also accept contributions for or or suggestions on
what we we should be testing
but I and you can also do
this on your own with run and as I was saying all the data is available as open data so you can now and
axis that we need t I visited me explorer and the and the and and use the data in your own studies but to to uncover
evidence of of of Internet censorship
sure whether this so I so this is we
explore that this is a global data map and it shows all the measurements that we have you can browse through its to understand what is blocked and what measurements and what data is available on in the various countries around the world but as I said we also have the API that's more oriented toward so let's say developers a data scientist are you can query the API and obtain the raw data and all the research reports that we write are actually all based on on the same data so you can write your own research report on a country that you care about just by accessing our data which is all of all as open as it can be so get out there and the use of the data to understand better what is happening but in the countries that you care about and to close what I would like to leave you with is the sort of another story I guess of about a trip that of some of that NET mandated to Cuba I have a big you hear that all all used to support the narration of the story in a way Omn and um and yes so this was in spring 2017 and the thank so respect and let's see a 2nd if we can get this to
start from the beginning of the earliest yeah so whatever the you I will tell you the story of our own over trip to Cuba and the data that you see here is the and the facts here are obviously during the trip some things have changed since we went there but but the link you can find more information inside of our of our research reports many of us take the Internet for granted many of the things here at CCC would not be possible without it but imagine living in a world where access to the internet is not a bit with this
that's a type of world most Cubans live in this is a story or spring 2017 trip to Cuba exploring its infinite landscape the morning Maria of lemonade of Joe and all of the other we nutrients that are here I have the this would not be possible without them so this is also for a for all of them most humans cannot access the Internet from the comfort
of their homes rather they need to be the designated public spaces that offer Internet access welcome to partner this park along with many others across the country serves as a public
Wi-Fi hotspots such hotspots were set up 2 years ago in 2015 when the Cuban government provided public access to the internet for the 1st time most hot spots are located parks while others are located other public
spaces like post offices in airports In a way Cubans on access the internet they
visited and so it becomes a sort of collective experience especially at nite when the he is more tolerable dozens of Cubans gathering these hot spots to use the Internet and to chat online with their friends and family to
start browsing than that you need to have an account issued by a attacks he was only telecommunications company it Texas cells these cards at 1
point 5 dollars for 1 hour of internet
access you can also purchase these accounts from resellers who wrote lurk
around and partners but they will mark up the price to even 3 or 4 dollars for only 1 hour of Internet access we were curious
to explore whether and to what extent Internet censorship was implemented in Cuba and so we run our network measurements softer coldly probe as well as a variety of other net protests based
on our measurements we found 41 web sites to be blocked more might be blocked as we limit the testing to a list of sites created by country experts most of the sites that we found to be blocked include news outlets
and blogs as well as pro-democracy and human rights sites many of them seem to have 1 main thing in common directly or indirectly they express criticism towards the Cuban government the other circumvention tools like the Tor anonymity network were found to be accessible across Cuba are softer not only allowed us
to confirm whether sites were blocked but
it also allowed us to collect that work measurement data that clearly shows how censorship is implemented
attacks appears to be blocking sites through the use of technology that research connections or
serves block pages instead of the intent of web page in many countries around the world
when a website is blocked you know it because it often looks something like this
for this lot wages usually include some
information not notifying you what the site is blocked and sometimes even include a reference to the
legal justification which means that it may not
always be clear that the site is intentionally bling blocked users might assume that it's a connectivity issue rather than government commission censorship but if x isn't the only iced in the world to serve blank block block pages you see this in many countries as well interestingly enough we only found ACP version of the sites to be blocked sits and the AGPS is unblocked meaning that the people could circumvented using a GPS however many sites that we found to be blocked to do not support HTTP at Chinese vendor well way
appears to be supporting each group Internet infrastructure and you don't even need to run the task to find this out the server header of the block pages for example points to why way equipment even Atex's captive portal itself
that seems to be written by Chinese developers since they left over some comments in the source code of the captive portal page overall
Internet censorship in Cuba does not appear to be particularly sophisticated given the high cost of
the internet rendering it inaccessible to most Cubans perhaps the government doesn't even need to and
that's and sophisticated Internet censorship but Cuba's Internet landscape is changing and so
might Internet censorship that's why we think it's important and monitor networks continuously users in Cuba and around the world can run the probe to shed light on information controls and thank you mn it the IV I think it's finished right from Dr. so I suspect that the the united and in the audience who now that curious about only maybe you want to consider if you want to contribute by running an only probe in your own country or when you're on holidays and some interesting places just think about whether you would like to contribute and help me out and we have an assembly on on in the the Seattle at the 2nd floor of the universe so if you have more questions about me you should come and join us upstairs and we will be happy to answer any questions you may have exactly prevent check them out and that MDPs please give another big round of applause I you think there was to watch
list thank you have 1st moved to the to the to
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Metadaten

Formale Metadaten

Titel OONI: Let's Fight Internet Censorship, Together!
Untertitel The Open Observatory of Network Interference
Serientitel 34th Chaos Communication Congress
Autor (hellais), Arturo Filastò
Lizenz CC-Namensnennung 4.0 International:
Sie dürfen das Werk bzw. den Inhalt zu jedem legalen Zweck nutzen, verändern und in unveränderter oder veränderter Form vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
DOI 10.5446/34810
Herausgeber Chaos Computer Club e.V.
Erscheinungsjahr 2017
Sprache Englisch

Inhaltliche Metadaten

Fachgebiet Informatik
Abstract How can we take a stand against the increasing shadow of Internet censorship? With OONI Probe you can join us in uncovering evidence of network interference!
Schlagwörter Resilience

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