Thema: Anonym im Netz: Die Darknets kommen

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Release Notes : https://www.i2p2.de/release-0.8.12

http://www.i2p2.de/

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Release Notes : https://www.i2p2.de/release-0.8.13

http://www.i2p2.de/

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Die großflächige Überwachung von BitTorrent und die zunehmenden Abschaltungen von Filehosting-Diensten treiben die Nutzer nun in größerer Zahl in dezentrale, anonymisierte Filesharing-Systeme. Der Dienst RetroShare verzeichnet beispielsweise aktuell eine schnell steigende Zahl von Datenübertragungen.

RetroShare besteht aus zahlreichen kleinen Netzwerken zwischen Usern, die sich gegenseitig kennen. Neue Nutzer können hinzukommen, indem mit einem bereits aktiven User ein PGP-Zertifikat ausgetauscht wird. Anschließend lassen sich Daten über OpenSSL-verschlüsselte Verbindungen austauschen, wobei die Herkunft jeweils nur bis zum nächsten befreundeten Knoten nachvollzogen werden kann.

Es handelt sich also quasi um ein Darknet, dessen Struktur und Aktivitäten für Außenstehende im Grund kaum nachvollziehbar sind. Die Open Source-Software existiert bereits seit dem Jahr 2006, konnte sich bisher aber nie einen größeren Nutzerkreis erschließen. Das könnte sich nun allerdings ändern, berichtet das Magazin 'TorrentFreak'.

"Das Interesse an RetroShare ist in den letzten zwei Monaten massiv gestiegen", erklärte der Projektgründer DrBob. Als die Auseinandersetzung um das SOPA-Gesetz in den USA auf seinem Höhepunkt war, hatten sich die Download-Zahlen verdreifacht. Im Februar verdoppelten sie sich erneut. Aktuell verzeichnet man etwas das Zehnfache dessen, was noch im Dezember gemessen wurde.

RetroShare ist derweil nur eines von verschiedenen Projekten, die sich mit dem Aufbau von Peer-to-Peer-Netzen befassen, die von außen nicht anzugreifen oder auszuspähen sind. Ein weiteres Beispiel ist GNUnet, in das sich Anwender einfacher einklinken können. Hier ist die längerfristige Nutzung allerdings stärker auf eine aktive Beteiligung ausgelegt, in dem man selbst Inhalte anbietet und seine Kontakte über Bewertungen ausbaut. Es zeichnet sich aber ab, dass letztlich eine anonymisierte und verschlüsselte Infrastruktur entstehen wird, die Filesharing vor den Augen der Strafverfolgung entzieht.

Quelle : http://winfuture.de/

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Changelog:

Code: [Auswählen]

Major changes

- Jetty 6.1.26, Tomcat 6.0.35, JSTL 1.2, supporting Servlet 2.5 and JSP 2.1 standards
- New simplified console home page. Note that it may be modified or disabled on the new page /confighome .
- The old .exe installer has been split into Windows (.exe) and non-Windows (.jar) installers
- Update to wrapper 3.5.14 (Debian packages and new installs only)

Bug Fixes

- Fix use of unacked ElGamal/AES Session Tags, causing permanently "stuck" connections
- Re-enable verifies of RouterInfo netdb stores
- Fix removal of context properties
- Fix handling of plugin installs requiring router restart
- Fix update key names being forgotten after a save on the config update page
- Fix i2psnark duplicate torrent messages
- Fix occasional NPE in the UDP transport

Other

- More refactoring to get rid of static references which will help testing, shutdown, and embedded applications
- Reseed cleanups and checks
- Streamlining of tunnel endpoint message processing
- i2psnark bug fixes
- i2psnark private tracker support
- i2psnark tracker configuration form
- i2psnark message box cleanup
- i2psnark Javascript refresh
- i2psnark better error reporting
- Remove support for i2psnark "run standalone"
- Remove deprecated i2ptunnel Bean classes from the jar
- Increase max leaseset size from 6 to 16 for future growth
- Plugin tweaks
- Jetty logging moved from wrapper log to I2P log
- New page for viewing individual graphs for easy resizing and viewing of previous intervals
- Remove bandwidth from netdb stats
- Add negative lookup cache to naming service
- Reduce size of netdb structures
- HTTP Proxy refactoring to improve parsing of URLs and support IPv6 addresses, improve handling of malformed URLs, improved address helper handling
- Use per-destination streaming timers
- Better handling of leaseset/routerinfo overwrite attempts
- GeoIP update to April 2012 version (Debian packages and new installs only)
- German, Russian, Spanish, Swedish translation updates
- Non-default theme updates
- General code cleanups
http://www.i2p2.de/

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Release Notes: >>

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RELEASE DETAILS

I2PSnark

- Fix several bugs in downloading torrents with skipped files
- Fix places where rarest-first was not honored
- Fix handling of encoded magnet links
- Additional inbound connection limits
- Immediate closing of connections with handshake errors
- Blocklist peers with multiple handshake errors
- Delay "ballooning" files on disk until required, to speed torrent adds
- Store partial pieces in temp files to greatly reduce memory usage when leeching
- Remove peers restriction when leeching torrents with large pieces
- Improve configuration of open and private trackers
- Prevent configuratino of default trackers as private
- Improved display and control of torrent file downloads
- Reduced number of threads
- Faster startup and shutdown of torrents
- Allow clearing of message box
- New light theme
- Torrent info page updates and cleanups
- Fix problems with restarted torrents
- Delay tunnel close at shutdown to ensure trackers are notified
- Better UI behavior during tunnel startup and shutdown

Bug Fixes

- Prevent shutdown hangs caused by buggy plugins
- Fix for Raspberry Pi crashing
- Fix rare job queue hang
- Fix routing key modifier rarely not updating at midnight
- Fix excessive padding in some AES-encrypted messages
- Fix occasional gunzip failures
- Several fixes to streaming lib to speed recovery after dropped packets and improve retransmit behavior
- Fix bug that reduced reuse of tunnels

Other

- Ports are now passed through the SOCKS and HTTP proxies to support eepsite virtual hosts. See http://zzz.i2p/topics/1182 for setup instructions.
- I2PTunnel configuration changes now take effect immediately. No tunnel restart required.
- Summary bar iframe removed, refresh is now via Javascript only
- Reduce netDB flood redundancy
- Reduce stats publishing frequency
- Minor router console changes
- New Hungarian and Greek translations
- Completed Italian translation
- Updates to Dutch, Finnish, French, German, Spanish, and Swedish translations
- Update geoip to Maxmind 2012-07-04
- Theme updates
- Theme support for SusiMail and SudiDNS; new dark themes
- I2PTunnel and SusiDNS now iframed with summary bar
- Console home page now shows news summary in summary bar
- Console home page icon updates
- Console summary bar now configurable
- Change the HTTP proxy error code from 404 to 500
- Cleanups for efficiency in netdb and I2CP
- Increase timeout for internal uses of eepget to improve reliability
http://www.i2p2.de/

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Major Changes

- SSU: Fix several problems in our UDP transport, to improve efficiency and reliability for connection setup. Also improve defenses against various types of bad input.
- UPnP: Updated our library to fix several issues, should work for more routers now
- Transport: Improve performance in both our TCP and UDP transports, to benefit high-bandwidth routers
- Crypto: The thresholds and number of ElGamal/AES Session Tags delivered are now much more flexible, which should lessen protocol overhead and reduce stalls caused by dropped tags.
- I2PSnark: Add DHT support, not yet enabled by default, will do further testing and plan to enable by default in 0.9.3.

Bug Fixes

- Fix various issues affecting memory usage and performance on high-bandwidth routers
- Fix problems in UDP for routers using a reduced-MTU connection, e.g. a VPN
- Fix i2psnark bug that prevented a completion announcement to the tracker
- Fix a lock contention problem in i2ptunnel
- Fix some OSX installation issues
- Remove uses of direct byte buffers that may have been leaking

Other

- Reduce overhead in network messages
- Add "universal" theme support
- Theme updates
- Add a jbigi library for Raspberry Pi
- New Scala unit test framework
- Translation updates for Czech, Dutch, German, and Greek
- Update wrapper to 3.5.15 (new installs and PPA only)
- Update GeoIP data (new installs and PPA only)
http://www.i2p2.de/

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Code: [Auswählen]

RELEASE DETAILS

Defenses and Bug Fixes

- Fix router bug causing lockup when using iMule
- Recognize, handle, reject duplicate tunnel IDs
- Fix changing of the log file name
- Prevent hashcode attack in session tags
- Add build request throttler based on previous hop
- Limit concurrent next-hop lookups
- Catch exceptions storing nonces in console
- Fix saving graph settings in console
- Fix eepget generation of URLs when not proxied
- Encrypt database lookup messages end-to-end when sent through
exploratory tunnels
- Don't use multiple floodfills from the same /16 in a query
- Randomize delay before verifying floodfill store
- Increase number of floodfills

Other

- Improve support for mobile browsers
- Partial defenses for UCSB attacks
- Add announce list support to i2psnark
- Jetty: upgrade Apache Tomcat to 6.0.36
- Split router info files into multiple subdirectories
- Add IP to hostname mapping option in SOCKS
- Improve PRNG seeding
- Translation updates: French, German, Hungarian, Italian, Norwegian, Polish, Portuguese, Russian, Swedish
- Update GeoIP data (new installs and PPA only)
- Update wrapper to 3.5.17 (new installs and PPA only)
http://www.i2p2.de/

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Anonymity Improvements

- End-to-end encryption of responses to leaseset lookups
- Expand floodfill pool by enabling class 'N' floodfills
- Randomize padding inside encrypted SSU packets
- Preparation for better SSU protocol obfuscation

Bug Fixes

- Fix newer lease sets not getting stored or published
- Fix classpath bug when used with 4-year-old installations, causing the console not to start
- Fix addressbook database bug preventing update of the reverse index
- Fix i2psnark bug that changed the infohash of torrents created by Robert and fetched via magnet link
- Fix version checking for plugins
- Fix a streaming timer bug causing frequent IRC disconnects (also affects other close-on-idle tunnels)

Other

- Don't install as a service on Windows by default
- Reduce transport idle timeouts
- Reduce tunnels on idle in i2psnark
- Change default in i2ptunnel GUI to 3 hops
- IE 10 support
- Individual expiration times in leases, for efficiency on destinations with a high number of tunnels
- Low-level encryption and XOR speedups
- Jetty 7.6.11
- Tomcat 6.0.37
- Translation updates: Chinese, French, German, Portuguese, Russian, Spanish
- New Turkish translation
- Wrapper 3.5.19 (new installs and PPA only)
- Update GeoIP data (new installs and PPA only)
http://www.i2p2.de/

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Anonymity Improvements

- Disable RouterInfo verification messages

Other

- Extend inbound tunnel expiration
- i2prouter: bashism fix
- i2psnark: increase max piece size, mime type updates
- New reseed host
- New update hosts, thanks Meeh and dg
- Streaming: RTO changes
- Updater: Increase update-via-torrent to 30%
- UPnP fix for some hardware

http://www.i2p2.de/

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RELEASE DETAILS:>>

Major Changes

- IPv6 support for both NTCP and SSU

Anonymity Improvements

- SSU protocol obfuscation by adding random padding
- Longer encryption and DH private keys for users on faster platforms

Bug Fixes

- Fix I2PTunnel / I2CP locking and duplicates (partial)
- Fix translation of HTTP proxy error pages
- Fix occasional runtime exception in NTCP

Other

- Big rework of transport code to accommodate multiple addresses and IPv6
- Streaming: Improved recovery from lost acks, other fixes
- Use Transifex for translation of initial news and HTTP proxy error pages
- Translation updates: Chinese, French, German, Portuguese, Russian, Swedish, Turkish
- New Romanian translation
- Jetty 7.6.12.v20130726
- Wrapper 3.5.20 (new installs and PPA only)
- Update GeoIP data (new installs and PPA only)

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0.9.8.1 fixes a problem with updating to 0.9.8 on Windows for some people. New installs and non-Windows platforms are not affected, however all platforms will automatically update even if running 0.9.8.

http://www.i2p2.de/

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Whats new: >>

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Anonymity Improvements:
Don't build client tunnels through zero-hop exploratory tunnels
New "su3" file support using stronger keys
Use su3 for updates
Bug Fixes:
Issues with losing data when closing streams
Fix various streaming connection limit issues
Issues with resource usage of closed connections
Clean up timer threads in close-on-idle tunnels
Several other streaming fixes
Reject more non-public IPv6 addresses
Fix IPv6 GeoIP
Fix peer selection in first minutes after startup
Several I2PTunnel bug fixes
Fix major i2psnark DHT bug that prevented magnets from working well
Fix client tunnels that fail due to name resolution failure at startup, particularly with b32 hostnames
Fix changing client i2ptunnel target list
Fix major bugs preventing reception of encrypted responses to leaseset lookups and verifies
Fix bad links on some i2psnark buttons in Opera and text-mode browsers
Fix NPE in Susimail
Other:
Start work on supporting stronger signing keys in the router
Reduce thread usage for HTTP Server tunnels
Auto-stop update torrent after some time
Add ability to stop webapp via console
New POST throttler in HTTP server tunnel
Improve connection throttling
More work to reduce number of connections
Re-enable router info expiration job
Extend router info expiration and other changes to reduce load on floodfills
Support multiple servers through a single server tunnel
Support specification of server port in i2ptunnel clients
Add support for SSL connections from i2ptunnel to external server
SSL and crypto code refactoring
i2psnark storage code refactoring
New destination cache
Lots of code cleanup and resolution of findbugs warnings
New Japanese translation (partial)
Translation updates: French, German, Italian, Romanian, Russian, Spanish, Swedish, and others
Jetty 7.6.13.v20130916
Wrapper 3.5.22 (new installs and PPA only)
Update GeoIP data (new installs and PPA only)
http://www.i2p2.de/

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RELEASE DETAILS

Anonymity Improvements

    Use client tunnels for LeaseSet lookups

Bug Fixes

    Flood netdb stores to new location before midnight to prevent lookup fails after midnight
    Fix setting I2CP host/port in BOB
    Fix several character encoding issues in susimail
    Fix StandardServerSocket.close()
    Fix exception in PrivateKeyFile
    Fixes in RouterInfo expiration task

Other

    Tweaks to reduce number of peer connections
    Several threading fixes to reduce blocking in the timer queues
    Disable streaming ping handling for clients
    Use i2psnark's Kademlia library for the router netdb also
    Increase outbound exploratory default to 2 + 0-1 hops, part of gradual increase to 3 hops in/out
    More findbugs fixes
    Streaming library refactoring
    Support country-specific translations
    New Brazilian Portuguese translation
    Translation updates
    Jetty 7.6.14.v20131031
    Update GeoIP data (new installs and PPA only)

SHA256 Checksums:

95e7fb6b62efdc9d65b818360795380628ed8ceb396d5ccf5f263ea4d2bc8d79  i2pinstall_0.9.10_windows.exe
171ff170a4d97dd9ef0e352471448e0254cfac5c9e91bb07377b41790aa9cd92  i2pinstall_0.9.10.jar
20bcd1a62101b15b423ae6dd81a76b1806d67a28a5bf0f341803a7a61178d494  i2psource_0.9.10.tar.bz2
4e82dce86efccc86759ee010da058af23d2cbecbfccf5ab3555e9ccb4ccd912e  i2pupdate_0.9.10.zip
36a3ef08fed4693d0ec1d5c975ce78e50333c0e5f333d5502fd44910cb4493d1  i2pupdate.su2
4afe49231cd4c47ea8cac6997cd8220def053a2024082c6772887e7f192c2e81  i2pupdate.su3
6862266548a171b144b7bb2b43fe0ac440748b96306a1299e470b882fe7b5240  i2pupdate.sud
http://www.i2p2.de/

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Anonymity Improvements

    More leaseset handling improvements

Bug Fixes

    Fix NPE after client shutdown
    Fix wrapper log encoding on logs page
    Streaming ping and I2Ping fixes

Other

    Add support for Orchid plugin
    Add HTTPS support to HTTP client proxy
    New I2CP support for hostname lookups by external clients
    Stricter I2CP authorization enforcement of external clients (incompatible change)
    Increase default inbound exploratory tunnel length variance
    Big reduction in memory usage by transports
    All in-net updates via torrent
    Translation updates
    Update GeoIP data (new installs and PPA only)
http://www.i2p2.de/

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Whats new: >>

SusiMail improvements and fixes for firewalled routers

http://www.i2p2.de/