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+Changes in version 0.2.5.3-alpha - 2014-03-??
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+
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+ o Major features:
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+ - Also consider stream buffer sizes when calculating OOM
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+ conditions. Rename MaxMemInCellQueues to MaxMemInQueues. Fixes
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+ bug 10169.
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+
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+ o Minor bugfixes:
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+ - Exit immediately when exiting because of dropped connection from
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+ a process-owning controller. Previously, if we were running in
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+ server mode, we would wait for a little while as in the when we
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+ got an INT signal--but this was problematic, since there was no
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+ feedback for the user. Controllers that want to do a clean
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+ shutdown should send an INT signal, and let the user know what's
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+ going on. Fix for bug 10449; bugfix on 0.2.2.28-beta.
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+
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+ o Minor bugfixes:
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+ - Log an improved message when excluding hidden service directory
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+ nodes prevents a hidden service from working.
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+ Improves on our fix for bug #10722, which was a bugfix on
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+ 0.2.0.10-alpha.
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+
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+ o Removed code
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+ - Remove all code for hidden service authorities to accept and serve
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+ version 0 descriptors and left-over code for hidden services and
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+ hidden service clients to upload and fetch version 0 descriptors.
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+ Version 0 descriptors are not in use anymore since 0.2.2.1-alpha.
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+ Fixes the rest of bug 10841.
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+
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+ o Minor features:
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+ - Bridges write the SHA1 digest of their identity key fingerprint to
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+ notice-level logs and to hashed-fingerprint, so that bridge
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+ operators can look up their bridge in Globe and similar tools.
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+
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+ o Minor bugfixes (new since 0.2.5.2-alpha, also in 0.2.4.21):
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+ - Build without warnings under clang 3.4. (We have some macros that
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+ define static functions only some of which will get used later in
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+ the module. Starting with clang 3.4, these give a warning unless the
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+ unused attribute is set on them.) Resolves ticket 10904.
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+ - Fix build warnings about missing "a2x" comment when building the
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+ manpages from scratch on OpenBSD; OpenBSD calls it "a2x.py".
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+ Fixes bug 10929; bugfix on 0.2.2.9-alpha. Patch from Dana Koch.
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+
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+ o Minor bugfixes (unit tests);
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+ - Fix a small bug in the unit tests that might have made the tests
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+ call 'chmod' with an uninitialized bitmask.
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+ Fixes bug 10928; bugfix on 0.2.5.1-alpha. Patch from Dana Koch.
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+
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+ o Minor bugfixes
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+ - Fix IPv6 support when using the SocksPort with SOCKS5. Using IPv6
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+ through a SOCKS5 using the SocksPort option will now work with
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+ this fix. This part of the code has never been updated to support
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+ IPv6 thus this does not fix a previously introduced regression.
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+ Fixes bug 10987; bugfix on 0.2.4.7-alpha.
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+
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+ o Minor features (log messages):
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+ - Improve the message that gets displayed when Tor as a bridge is
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+ using pluggable transports but doesn't have an Extended ORPort
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+ listener. Furthermore, we now log the message in the log file
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+ too. Resolves ticket 11043.
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+
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+ o Minor bugfixes:
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+ - Build using the -fasynchronous-unwind-tables option so that more
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+ platforms (in particular, ones like 32-bit Intel where the
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+ -fomit-frame-pointer option is on by default and table
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+ generation is not) will support generating backtraces. This
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+ doesn't yet add Windows support yet; only Linux, OSX, and some BSD
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+ are affected. Reported by 'cypherpunks'; fixes bug 11047; bugfix
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+ on 0.2.5.2-alpha.
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+
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+ o Minor bugfixes:
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+ - Avoid strange behavior if two threads hit failed asswertions
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+ at the same time and both try to log backtraces at
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+ once. (Previously, if this had happened, both threads would
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+ have stored their intermediate results in the same buffer, and
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+ generated junk outputs.) Reported by "cypherpunks". Fixes bug
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+ 11048; bugfix on 0.2.5.2-alpha.
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+
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+ o Minor bugfixes (clients):
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+ - Fix tor so that it raises a control port warning when we fail to
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+ connect to all of our bridges. Fixes bug 11069; bugfix on
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+ tor-0.2.1.2-alpha.
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+
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+ o Minor features:
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+ - Warn the user if they put any ports in the SocksPolicy,
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+ DirPolicy, AuthDirReject, AuthDirInvalid, AuthDirBadDir, or
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+ AuthDirBadExit options. Fixes ticket #11108.
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+
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+ o Documentation:
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+ - Explain that SocksPolicy, DirPolicy, and their allies don't take
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+ port arguments. Fixes ticket #11108.
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+
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+ o Documentation:
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+ - Fix the max client name length in the manpage's description of
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+ HiddenServiceAuthorizeClient description: it should have been
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+ 16, not 19. Fixes bug 11118; bugfix on 0.2.1.6-alpha.
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+
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+ o Minor bugfixes (clients):
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+ - Fix a bug where we would attempt to connect to bridges before
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+ our pluggable transports were configured, which resulted in some
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+ erroneous log messages. Fixes bug 11156; bugfix on
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+ 0.2.3.2-alpha.
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+
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+ o Minor features:
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+ - Don't log at warning severity when we refuse to launch a
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+ pluggable transport proxy that we don't need. Resolves ticket
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+ 5018; bugfix on 0.2.5.2-alpha.
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+
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+ o Minor bugfixes:
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+ - Bridges now never collect statistics that were designed for relays.
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+ Fix for bug 5824; bugfix on 0.2.3.8-alpha.
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+
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+ o Minor bugfixes:
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+ - Bridges now report complete directory request statistics. Related to
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+ bug 5824; bugfix on 0.2.2.1-alpha.
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+
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+ o Minor bugfixes:
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+ - Avoid crashing on a malformed resolv.conf file when running a
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+ server using Libevent 1. Fixes bug 8788; bugfix on 0.1.1.23.
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+
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+ o Minor bugfixes (testing):
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+ - Improve the tinytest implementation of string operation tests
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+ so that comparisons NULL strings no longer crash the tests;
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+ they now just fail, normally. Fixes bug 9004; bugfix on
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+ 0.2.2.4-alpha.
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+
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+ o Minor bugfixes:
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+ - Fix a comment about the rend_server_descriptor_t.protocols field
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+ to more accurately describe its range. Also, make that
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+ field unsigned, to more accurately reflect its usage.
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+ Fixes bug 9099; bugfix on 0.2.1.5-alpha.
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+
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+ o Documentation:
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+ - Document in the manpage that "KBytes" may also be written as
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+ "kilobytes" or "KB", that "Kbits" may also be written as
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+ "kilobits", and so forth. Closes ticket #9222.
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+
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+ o Minor bugfixes:
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+ - Give the correct URL in the warning message that we present
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+ when the user is trying to run a Tor relay on an ancient version
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+ of Windows. Fixes bug 9393.
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+
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+ o Minor bugfixes:
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+ - Non-exit servers no longer launch mock DNS requests to check for
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+ DNS hijacking. This has been unnecessary since 0.2.1.7-alpha,
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+ when non-exit servers stopped servicing DNS requests. Fixes bug
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+ 965; bugfix on 0.2.1.7-alpha. Patch from Matt Pagan.
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+
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+ o Minor changes:
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+ - Decrease the lower limit of MaxMemInQueues to 256 MBytes, to
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+ appease raspberry pi users. Fixes bug 9686.
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+
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+ o Minor features:
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+ - Avoid hash-flooding denial-of-service attacks by using the secure
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+ SipHash-2-4 hash function for our hashtables. Without this
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+ feature, an attacker could degrade performance of a targeted
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+ client or server by flooding their data structures with a large
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+ number of data entries all calculated to be stored at the same
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+ hash table position, thereby degrading hash table
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+ performance. With this feature, hash table positions are derived
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+ from a randomized cryptographic key using SipHash-2-4, and an
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+ attacker cannot predict which entries will collide.
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+ Closes ticket 4900.
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+
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+ o Minor features:
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+ - Update geoip6 to the February 7 2014 Maxmind GeoLite2 Country
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+ database.
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+ o Minor features:
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+ - Update to the February 7 2014 Maxmind GeoLite2 Country database.
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+
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+ o Minor features:
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+ - Fix our version of the February 7 2014 Maxmind GeoLite2 Country database.
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+
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+ o Minor bugfixes (compilation):
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+ - Fix a 64-to-32-conversion warning in format_number_sigsafe().
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+ Bugfix on 0.2.5.2-alpha; patch from Nick Hopper.
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+
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+ o Code simplifications and refactoring:
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+ - Get rid of router->address, since in all cases it was just the
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+ string representation of router->addr. Resolves ticket 5528.
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+
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+ o Minor features:
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+ - Made PREDICTED_CIRCS_RELEVANCE_TIME configurable from config
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+ file with a new option, PredictedPortsRelevanceTime. Implements
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+ ticket #9176. Patch by unixninja92.
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+
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+ o Testing:
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+ - Update to the latest version of tinytest.
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+
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+
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+
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Changes in version 0.2.4.21 - 2014-02-28
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Tor 0.2.4.21 further improves security against potential adversaries who
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find breaking 1024-bit crypto doable, and backports several stability
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@@ -59,7 +250,7 @@ Changes in version 0.2.4.21 - 2014-02-28
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flag set. Fixes bug 10470; bugfix on 0.2.3.3-alpha / 0.2.3.16-alpha.
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-Changes in version 0.2.5.2-alpha - 2013-02-13
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+Changes in version 0.2.5.2-alpha - 2014-02-13
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Tor 0.2.5.2-alpha includes all the fixes from 0.2.4.18-rc and 0.2.4.20,
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like the "poor random number generation" fix and the "building too many
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circuits" fix. It also further improves security against potential
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