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Java Anon Proxy, also known as JAP or JonDonym, is a proxy system designed to allow browsing the Web with revocable pseudonymity.〔(Privacy-friendly law enforcement ) 2006〕 It was originally developed as part of a project of the Technische Universität Dresden, the Universität Regensburg and Privacy Commissioner of Schleswig-Holstein. The client-software is written in the Java programming language. Cross-platform, free and open source, it sends requests through a cascade and mixes the data streams of multiple users in order to further obfuscate the data to outsiders. JonDonym is available for all platforms that support Java. Furthermore, ''ANONdroid'' is a JonDonym proxy client for Android.〔(ANONdroid v. 00.00.008 ) 2011-12-22〕〔(ANONdroid on Google Play )〕 == Design == The JonDonym client program allows the user to choose among several Mix Cascades (i.e. a group of anonymization proxies) offered by independent organisations. Users may choose by themselves whom of these operators they will trust, and whom they won't. This is different from peer-to-peer based anonymity networks like Tor and I2P, whose anonymisation proxies are anonymous themselves, which means the users have to rely on unknown proxy operators. However, it means that all the relays used for JonDonym-mediated connections are known and identified, and therefore potentially targeted very easily by hackers, governmental agencies or lobbying groups. This has for example led to the issues mentioned below, where court orders essentially gave all control over the whole system to the German government. As discussed below, solutions like international distribution of the relays and the additional use of Tor can somewhat mitigate this loss of independence. The speed and availability of the service depends on the operators of the Mixes in the cascades, and therefore varies. More users on a cascade improve anonymity, but a large number of users might diminish the speed and bandwidth available for a single user. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Java Anon Proxy」の詳細全文を読む スポンサード リンク
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