A web hosting provider has revealed the US Justice Departments efforts to obtain records about an activist website established to coordinate mass protests to. Latest trending topics being covered on ZDNet including Reviews, Tech Industry, Security, Hardware, Apple, and Windows. Bored Heres 101 Useful Websites With Easy to Remember Names Updated Fix Most Windows Errors and Problems With Tweaking. Com Windows Repair 4. Video. Ultrasurf Wikipedia. Ultra. Surf is a freeware Internet censorship circumvention product created by Ultra. Reach Internet Corporation. The software enables its users to bypass Internet censorship and firewalls using an HTTP proxy server, and employs encryptionprotocols for privacy. The software was developed by Chinese dissidents as a means of allowing internet users to bypass the Great Firewall of China. It currently boasts as many as 1. The tool has been lauded as one of the most important free speech tools on the Internet by Wired, and as the best performing circumvention tool by Harvard University in a 2. Freedom House ranked it fourth. Critics in the open source community, George Turner Says, have expressed concern about the softwares closed source nature and alleged security through obscurity design Ultra. Reach says their security considerations mean they prefer third party expert review to open source review. OvervieweditIn 2. Ultra. Reach was founded by Chinese dissidents in Silicon Valley. Shortly after, Ultra. Surf was created to allow internet users in China to evade government censorship and monitoring. As of 2. Ultra. Surf reported over eleven million users worldwide. During the Arab Spring, Ultra. Reach recorded a 7. Tunisia. 4 Similar traffic spikes occur frequently during times of unrest in other regions, such as Tibet and Burma during the Saffron Revolution. Wired magazine in 2. Ultra. Surf one of the most important free speech tools on the Internet for enabling citizens to access and share information from oppressed countries during times of humanitarian or human rights crises. Ultra. Surf is funded, in part, through contracts with the U. S. governments Broadcasting Board of Governors, which administers Voice of America and Radio Free Asia. As of 2. The novelty of summer is wearing off, and were spending more time in the nice airconditioned indoors. That means more time for catching up on Netflix. Weve. Ultra. Reach has had difficulty serving its growing user base due to insufficient funding. OperationeditClient softwareeditUltra. Surf is free to download, and requires no installation. Ultra. Surf does not install any files on the users computer, and leaves no registry edits after it exits. In other words, it leaves no trace of its use. To fully remove the software from the computer, a user needs only to delete the exe file named u. It is only available on a Windows platform, and runs through Internet Explorer by default, with an optional plug in for Firefox and Chrome. The Ultra. Reach website notes that Some anti virus software companies misclassify Ultra. Surf as a malware or Trojan because Ultra. Download the free trial version below to get started. Doubleclick the downloaded file to install the software. Surf encrypts the communications and circumvents internet censorship. Some security companies have agreed to whitelist Ultra. Surf. 9 According to Applebaum, the Ultra. Surf client uses anti debugging techniques and also employs executable compression. The client acts as a local proxy which communicates with the Ultra. Reach network through what appears to be an obfuscated form of TLSSSL. Ultra. Surf serverseditThe software works by creating an encrypted HTTP tunnel between the users computer and a central pool of proxy servers, enabling users to bypass firewalls and censorship. Ultra. Reach hosts all of its own servers. The software makes use of sophisticated, proprietary anti blocking technology to overcome filtering and censorship online. According to Wired magazine, Ultra. Surf changes the IP addresses of their proxy servers up to 1. On the server side, a 2. Ultra. Reach network employed squid and ziproxy software, as well as ISC BIND servers bootstrapping for a wider network of open recursive DNS servers, the latter not under Ultra. Reach control. 1. Ultra. Surf is designed primarily as an anti censorship tool, but also offer privacy protections in the form of industry standard encryption, with an added layer of obfuscation built in. Ultra. Reach uses an internal content filter which blocks some sites, such as those deemed pornographic or otherwise offensive. According to Wired magazine Thats partly because their network lacks the bandwidth to accommodate so much data heavy traffic, but also because Falun Gong frowns on erotica. Additionally, the Falun Gong criticism website facts. Chinese government, is also unreachable through Ultra. Surf. 1. 0EvaluationeditIn a 2. Harvard Universitys Berkman Center for Internet Society found Ultra. Surf to be the best performing of all tested circumvention tools during in country tests, and recommended it for widespread use. In particular, the report found that Ultra. Surf effectively bypassed various forms of censorship and blocking, include IP block, DNS block, and keyword filtering. It was also the fastest tool during in country tests, and was noted for being easy to use and install with a simple user interface. The report noted, however, that Ultra. Reach is designed primarily as a circumvention product, rather than as an anonymity tool, and suggested that users concerned about anonymity should disable browser support for active content when using Ultra. Surf. 6A 2. 01. 1 report by the U. S. based human rights group Freedom House ranked Ultra. Surf fourth overall among censorship circumvention and privacy tools, as measured by a combination of performance, usability, support and security. In particular, the tool was recommended for users interested in downloading or viewing information, who required a relatively high degree of privacy, and who favored a fast connection speed. Some technologists have expressed reservations about the Ultra. Reach model, however. In particular, its developers have been criticized by proponents of open source software for not allowing peer review of the tools design, except at the discretion of its creators. Moreover, because Ultra. Reach operates all its own servers, their developers have access to user logs. This architecture means that users are simply required to trust Ultra. Reach not to reveal user data. Ultra. Reach maintains that it keeps logs for a short period of time, and uses them only for the purpose of analyzing traffic for signs of interference or to monitor overall performance and efficacy the company says it does not disclose user logs to third parties. According to Jacob Appelbaum with the Tor Project, an Ultra. Surf competitor, this essentially amounts to an example of privacy by policy. In an April 2. 01. Appelbaum further criticized Ultra. Surf for its use of internal content filtering including blocking pornographic websites, and for its willingness to comply with subpoenas from U. S. law enforcement officials. Appelbaums report also noted that Ultra. Surf pages employed Google Analytics, which had the potential to leak user data, and that its systems were not all up to date with the latest security patches and did not make use of forward security mechanisms. Furthermore, Applebaum claims that The Ultra. Surf client uses Open and Free Software including Putty and zlib. The use of both Putty and zlib is not disclosed. This use and lack of disclosure is a violation of the licenses. In a response posted the same day, Ultra. Reach wrote that it had already resolved these issues. They asserted that Appelbaums report had misrepresented or misunderstood other aspects of its software. Ultra. Reach also argued that the differences between the software approaches to Internet censorship represented by Tor and Ultra. Multimedia Graphic Downloadssort by A reliable and simple to use piece of software designed to help you quickly convert image files in. Dec 2nd 2. 01. 7, 1. GMTWindows 1. 0 6. Windows 1. 0 Windows Server 2. Windows 2. 00. 8 6. Windows 2. 00. 8 Windows 2. Windows 8 6. 4 bit Windows 8 Windows 7 6. Windows 7 Windows Vista 6. Windows Vista Windows XPAn elegant and powerful utility that helps you batch edit images, then convert them to a multitude. Dec 2nd 2. 01. 7, 1. GMTWindows 1. 0 Windows Server 2. Windows 2. 00. 8 Windows 2. Windows 8 Windows 7 6. 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