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1 China' Great Firewall Tet Myteriou Scan O... (/) +8 New Pot /real-time/) /) ( 30 UNDER 30 ( /SPECIAL-REPORT/2014/30-UNDER- 30/FINANCE.HTML) The 450 Brightet Star /pecial-report /2014/30-under- 30/finance.html) Mot Popular /mot-popular/) Cover Story - Snapchat: The World' Hottet App Or A $3 Billion Diappearing Act? Lit /lit/) 2 Free Iue of Forbe ( Northwetern Mutual Voice: Alternative To Hotel: Swap Your Home /ite The Emergence Of The Connected City /ite/oreillymedia /2014/01/08/the- emergence-of-the- Video /video/) Log in ( Sign up ( Connect Privacy /fdc/privacy.html) Term (/term) AdChoice Help ( Conference Education /) Product Forbe School of Forbe Wine Club Buine at Ahford ( Univerity Andy Greenberg, /ite/andygreenberg/) Forbe Identity Protection ( Forbe Staff ( Covering /degree/online the world of data ecurity, privacy and hacker culture. /buine.htm/) /account/) Forbe Reinventing America Forbe Newfeed ( ( Reprint & Permiion SECURITY (/SECURITY) 10:16AM 24,493 ( view /forbe) Forbe Aia Power Buine Newletter ( China' ( /forbewomenforum2013 Great Firewall Forbe Invetor Advertie /forbe-life-magazine) Forbe ( Tet Myteriou ( Scan On Forbe Pre Room /2014/forbewomen- Encrypted Connection /ite/forbepr/) Forbe 400 Philanthropy Forbe Career 1 comment, 1 called-out ( Comment Now Follow Comment /forbe/) Forbe Dividend Contact U /forbeglobal/) /2014/400- ( Invetor Forbe Healthcare ( /fdc/contact.html) Forbe /forbe) ForbeLife /forbe- 1 of 8 01/22/ :32 PM Pot

2 China' Great Firewall Tet Myteriou Scan O... /chinaprobing.jpg)in the cat-and-moue game between Chinee cenor and Internet uer, the government eem to be teting a new mouetrap one that may be deigned to detect and block tunnel through it Great Firewall even when the data in thoe tunnel i aimed at a little-known computer and obcured by encryption. In recent month, adminitrator of ervice with encrypted connection deigned to allow uer ecure remote acce ay they ve een trange activity coming from China: When a uer from within the country attempt to reach a erver abroad, a tring of eemingly random data hit the detination computer before he or he can connect, ometime followed by that uer communication being myteriouly dropped. The anti-cenorhip and anonymity ervice Tor, for intance, ha found that many of it bridge node privately-placed erver around the world deigned to connect uer to the ret of Tor public network of traffic re-routing computer have become inacceible to Chinee uer within hour or even minute of being et up, according to Andrew Lewman, the project executive director. Uer have told him that other cenorhip circumvention ervice like Ultraurf and Freegate have een imilar problem, he ay. Conference Someone will Education try to connect, then Product there a weird can, and the bridge top working, ay Lewman. We ee weird thing all Forbe School of Forbe Wine Club the time, but Buine thi i at a Ahford emi-conitent ( weird thing, and it only /) coming from Univerity China. Lewman believe /buine.htm/) that China internet Forbe ervice Newfeedprovider may be teting a new ytem that, rather than ( merely block IP addree or certain Web ( page, attempt to identify cenorhip Reprint & Permiion circumvention tool by preceding a ( uer connection /forbe) to an encrypted ervice Newletter with a probe deigned to reveal omething about what ort ( of ervice the uer Company i acceing. Info It like if I tell my wife I m going bowling with my friend, and he call the Forbe Invetor Advertie bowling alley ( ahead of time to ee ( if that what I m really doing, ay Lewman. It verifying that you re aking for what you eem to be aking for. Forbe Aia Power Buine ( /forbewomenforum2013 Forbe Reinventing America Forbe /2014/forbewomen- Forbe 400 Philanthropy /2014/400- Forbe Healthcare ( /degree/online Forbe Identity Protection ( Forbe Pre Room /ite/forbepr/) But o far, Lewman ay Tor developer Forbe Career haven t determined ( how that probe i able to ee what an encrypted connection to a /forbe/) Tor erver and what merely a connection to an encrypted Forbe Dividend Contact U /forbeglobal/) banking or ecommerce Invetor ite, which in theory hould both look to a ( /fdc/contact.html) Pot /forbe-life-magazine) Forbe /forbe) ForbeLife /forbe- 2 of 8 01/22/ :32 PM

3 China' Great Firewall Tet Myteriou Scan O... nooping government like indecipherably crambled web traffic. The Chinee government after all, wouldn t be likely to block all encrypted connection, uch a corporate VPN, Lewman point out. If Foxconn were diconnected from Apple, that would be big problem, he ay. In the mean time, only a mall fraction of Tor Chinee uer are experiencing the iue, implying that it may be jut a ubet of Chinee broadband provider experimenting with the new tool, ay Lewman. China niffing around encrypted traffic in t limited to the United State. Leif Nixon, an IT ecurity adminitrator at the National Supercomputer Centre of Sweden at Linkoping Univerity, ay he independently potted the phenomenon hitting hi erver a full year ago, when Chinee tudent or reearcher tried to log on to the Centre ytem through SSH connection, and wrote a blog pot about hi finding earlier thi month ( I don t know what the probe are uppoed to accomplih, he wrote at the time. My only gue i that the government i looking for certain ervice it doen t approve of, like open proxie or Tor relay, and that precie fingerprinting may be too expenive. Intead, they reort to an inpection method imilar to fuzzing, where peudo-random data i thrown at the erver, jut to ee what happen. It alo matche the known repulive cenorhip the Chinee government ubject it citizen to, he added. I trongly dilike Conference Education Product thi probing of our ytem that the Chinee government appear to performing. Forbe School of Forbe Wine Club Buine at Ahford ( /) Univerity Forbe Identity Protection Another ecurity ( engineer at a upercomputing center in the Forbe Reinventing America ( /degree/online U.S., who aked not to be named, ay he aw imilar anomalie /buine.htm/) Forbe Newfeed in a many a 20% of cae where ( uer connected from China. We initially thought ( it wa an attack. But now it look more like Reprint & Permiion a probe to ee if thi i omething they want to cenor, ay the ( /forbe) Forbe Aia Power Buine engineer. I ve never een anything quite like it, myelf. Newletter ( Since the clampdown ( /forbewomenforum2013 around the 60th Company anniverary Info celebration of the founding Forbe of China Invetorcommunit Advertie regime and the country very Forbe ( ( public cenorhip pat with Google, China ha been on the hunt for cenorhip Forbe Pre Room circumvention tool. But the country had /2014/forbewomen- previouly focued on blocking ervice baed on their IP /ite/forbepr/) addree, an endle game of whack-a-mole a new erver Forbe 400 Philanthropy Forbe Career aiming to help ( circumvent the government cenorhip with new /forbe/) IP addree contantly appear around the world, ay Tor Forbe Dividend /forbeglobal/) /2014/400- Andrew Lewman. Forbe Healthcare Contact U Invetor ( /fdc/contact.html) Pot /forbe-life-magazine) Forbe /forbe) ForbeLife /forbe- 3 of 8 01/22/ :32 PM

4 China' Great Firewall Tet Myteriou Scan O... In 2009, Iran imilarly began trying to ditinguih connection to Tor bridge node from other encrypted traffic and block the ervice, Lewman ay. Tor reponded by finding way to change it behavior to better fit in with other ervice online, uch a adjuting how often it changed the SSL certificate that identifie the ervice to uer. Lewman ay he doubt China could implement a imilar ytem acro the entire country, with it hundred of million of Web uer. Neverthele, Tor taff hope to tay a tep ahead of China cenor. We re working on figuring it out, ay Lewman. It quite a curioity. See Alo Malware Removal Tool Ethical Hacking Training BUSINESS Bet Antiviru ( Program Internet Security Suite Security Solution Viru TECHNOLOGY Protection ( 1 comment, 1 called-out Comment Now Follow Comment Print /ite/andygreenberg/2011/11/17/china-great-firewall-tet-myteriou-can-on-encryptedconnection/print/) Report Correction Reprint & Permiion ( Conference Education /) Forbe Reinventing America From Around the Web Forbe Aia Power Buine Newletter ( Why Wall Street ( Act Now! How New ipad are The Dirty Secret What the Bible /forbewomenforum2013 Broker Refue to Refinance Your Selling for Under Wall Street Ha Say About Sell Thi Proven Forbe Home Before Invetor It' $40 Advertie Kept Quiet for 46 /forbe-life-magazine) Inveting Forbe 18.79% Invetment ( too Late ( ( Year (Shocking) ( ( com/article ( ( /2014/forbewomen- Forbe 400 Philanthropy /2014/400- Forbe Healthcare Forbe School of Buine at Ahford Univerity ( /degree/online /buine.htm/) Product Forbe Wine Club ( Forbe Identity Protection ( Forbe Newfeed ( ( Reprint & Permiion ( /forbe) Forbe Pre Room /ite/forbepr/) Forbe Career ( Andy /forbe/) Greenberg, /ite/andygreenberg/) Forbe Staff Forbe Dividend Contact U /forbeglobal/) Covering the world of data ecurity, privacy and hacker culture. Invetor ( /fdc/contact.html) Forbe /forbe) ForbeLife /forbe- 4 of 8 01/22/ :32 PM Pot

5 China' Great Firewall Tet Myteriou Scan O... SECURITY (/SECURITY) 9:37AM 1,170 view 3D-Printed Gun Creator Cody Wilon Land Quarter Million Dollar Book Deal Comment Now When Cody Wilon publihed the blueprint for the firt fully 3D-printable gun on the web lat pring, the controvery around that digital weapon led to it being downloaded 100,000 time in two day. Now Simon & Schuter i hoping the ame ort of buzz can ell book. Wilon, who lead the 3D-printed gun group Defene Ditributed, igned a quarter-million dollar deal with Simon & Schuter Gallery BUSINESS imprint ( in December to write a non-fiction book chronicling hi quet to create the firt fully 3D-printable lethal weapon. Though Wilon ay the book won t be a philoophical treatie, he tell me he ll ue the opportunity to fully explain hi ideological motivation for creating a deadly firearm anyone can download and print in the privacy of their garage. Conference Education /) Forbe Reinventing America Forbe Aia Power Buine ( /forbewomenforum2013 Forbe Invetor Forbe /2014/forbewomen- Forbe 400 Philanthropy /2014/400- Forbe Healthcare Forbe School of Buine at Ahford Univerity ( /degree/online /buine.htm/) Newletter ( Pot Advertie /forbe-life-magazine) ( ( ( Product Forbe Wine Club ( Forbe Identity Protection ( Forbe Newfeed ( ( Reprint & Permiion ( /forbe) Forbe Pre Room /ite/forbepr/) Forbe Career /forbe/) Forbe Dividend Contact U Invetor ( /fdc/contact.html) /forbeglobal/) Forbe /forbe) ForbeLife /forbe- 5 of 8 01/22/ :32 PM

6 China' Great Firewall Tet Myteriou Scan O... Cody Wilon The book working title i Negative Liberty, Wilon ay, baed on BUSINESS a principle ( of freedom from external retraint in libertarian political theory. The whole point to me i to add to the hacker mythology and to have a very, very accurate and contentiou portrayal of what we think about the current political ituation, our attitude and political orientation, a lating remark, he ay. It won t be a manifeto. But culturally I hope to leave a couple of zinger a Conference touchtone for Education the young, diaffected Product radical toward hi own political and ocial development, that kind of thing. Forbe School of Forbe Wine Club Buine at Ahford ( /) Wilon ay hi Univerity propoal received highly mixed reaction from Forbe Identity Protection ( Forbe Reinventing publiher, America ome of whom aw hi ( attempt to create new way /degree/online to circumvent /buine.htm/) gun control law a Forbe immoral. Newfeed It wa pretty hot ( and cold, he College ay. Planning Some Tool think I m awful, that what I did wa ( terrible, and other think thi i an incredible tory that need to Reprint & Permiion be told. ( /forbe) Forbe Aia Power Buine Newletter ( Wilon firt announced ( hi intention to create a fully 3D-printable /forbewomenforum2013 gun in Augut of 2012, decribing it a a demontration of Forbe Invetor Advertie Forbe government ( inability to regulate gun and other type of ( commerce in an era of ditributed manufacturing and ubiquitou Forbe Pre Room /2014/forbewomencommunication. In May of 2013 I watched a he hand-fired the /ite/forbepr/) world firt fully Special 3D-printed Situation weapon Forbe 400 Philanthropy /ite/andygreenberg/2013/05/05/meet-the-liberator-tet-firingthe-world-firt-fully-3d-printed-gun/), /forbe/) which he called the Forbe Career ( Liberator, for Forbe the firt Dividend time. Jut day Contact later, U the State Department /forbeglobal/) /2014/400- demanded that Invetor he take the blueprint for the Liberator off the Forbe Healthcare ( /fdc/contact.html) Pot /forbe-life-magazine) Forbe /forbe) ForbeLife /forbe- 6 of 8 01/22/ :32 PM

7 China' Great Firewall Tet Myteriou Scan O... Internet /ite/andygreenberg/2013/05 /09/tate-department-demand-takedown-of-3d-printable-gun-forpoible-export-control-violation/), citing potential violation of weapon export retriction a legal debate that ha yet to be ettled. More recently, Wilon ha focued intead on Bitcoin /ebook/ecret-money-living-on-bitcoin/), working with a group of anarchit developer known a UnSytem to build a piece of oftware for the anonymou pending and receiving of bitcoin called Dark Wallet /ite/andygreenberg/2013/10 /31/darkwallet-aim-to-be-the-anarchit-bitcoin-app-of-choice/). But Wilon, who wa until recently a law tudent at the Univerity of Texa, expect that he may oon be embroiled in a legal battle with the government over hi firearm 3D-printing project. At leat now if I m in prion I ll have omething to do, Wilon ay, motly joking. But he add, more eriouly, that he may need the book advance to fund a court battle he anticipate over hi publication of the Liberator file. In the wort cae, I can at leat bankroll my own legal defene. Follow me on Twitter ( /a_greenberg), me (mailto:agreenberg@forbe.com), anonymouly end me enitive document Education or tip Product ( Forbe School of Forbe and Wine check Club out my Buine at Ahford ( book, Thi Machine Kill Secret: Julian Aange, the Univerity Forbe Identity Protection Cypherpunk, ( and Their Fight to Empower Whitleblower ( /degree/online ( /buine.htm/) Forbe Newfeed Whitleblower/dp/ /ref=r_1_3?ie=UTF8& ( qid= &r=8-3& ( Reprint & Permiion keyword=thi+machine+kill+ecret). Conference /) Forbe Reinventing America Forbe Aia Power Buine ( /forbewomenforum2013 Forbe Invetor Forbe /2014/forbewomen- Newletter ( Pot Advertie /forbe-life-magazine) ( ( ( /forbe) Forbe Pre Room /ite/forbepr/) Forbe Career Forbe 400 Philanthropy Comment Now ( /forbe/) Forbe Dividend Contact U /forbeglobal/) /2014/400- Invetor Print /ite/andygreenberg/2014/01/22/3d-printed-gun-creator-cody-wilon-land-quarter-million-dollar- Forbe Healthcare ( /fdc/contact.html) Forbe /forbe) ForbeLife /forbe- 7 of 8 01/22/ :32 PM

8 China' Great Firewall Tet Myteriou Scan O... book-deal/print/) Report Correction Reprint & Permiion ( Conference Education /) Forbe Reinventing America Forbe Aia Power Buine ( /forbewomenforum2013 Forbe Invetor Forbe /2014/forbewomen- Forbe 400 Philanthropy /2014/400- Forbe Healthcare Forbe School of Buine at Ahford Univerity ( /degree/online /buine.htm/) Newletter ( Pot Advertie /forbe-life-magazine) ( ( ( Product Forbe Wine Club ( Forbe Identity Protection ( Forbe Newfeed ( ( Reprint & Permiion ( /forbe) Forbe Pre Room /ite/forbepr/) Forbe Career /forbe/) Forbe Dividend Contact U Invetor ( /fdc/contact.html) /forbeglobal/) Forbe /forbe) ForbeLife /forbe- 8 of 8 01/22/ :32 PM