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Start a changelog for 0.4.6.1-alpha
This commit is contained in:
Nick Mathewson
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158
ChangeLog
158
ChangeLog
@ -1,3 +1,161 @@
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Changes in version 0.4.6.1-alpha - 2021-03-??
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Tor 0.4.6.1-alpha is the first alpha release in the 0.4.6.x series. It
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improves client circuit performance, adds missing features, and
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improves some of our DoS handling and statistics reporting. It also
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includes numerous smaller bugfixes.
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o Major features (control port, onion services):
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- Add controller support for creating version 3 onion services with
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client authorization. Previously, only v2 onion services could be
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created with client authorization. Closes ticket 40084. Patch by
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Neel Chauhan.
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o Major features (directory authorityl):
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- When voting for a relay with a Sybil-like appearance, add the
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Sybil flag when clearing out the other flags. This lets a relay
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operator know why their relay hasn't been voted on. Closes ticket
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40255. Patch by Neel Chauhan.
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o Major features (relay, denial of service):
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- Add a new DoS subsystem feature to control the rate of client
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connections for relays. Closes ticket 40253.
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o Major features (statistics):
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- Relays now also publish statistics about the number of v3 onion
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services and volume of v3 onion service traffic, in the same
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manner they already do for v2 onions. Closes ticket 23126.
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o Major bugfixes (circuit build timeout):
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- Improve the accuracy of our circuit build timeout calculation for
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60%, 70%, and 80% build rates for various guard choices. We now
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use a maximum likelihood estimator for Pareto parameters of the
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circuit build time distribution, instead of a "right-censored
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estimator". This causes clients to ignore circuits that never
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finish building in their timeout calculations. Previously, clients
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were counting such unfinished circuits as having the highest
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possible build time value, when in reality these circuits most
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likely just contain relays that are offline. We also now wait a
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bit longer to let circuits complete for measurement purposes,
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lower the minimum possible effective timeout from 1.5 seconds to
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10ms, and increase the resolution of the circuit build time
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histogram from 50ms bin widths to 10ms bin widths. Additionally,
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we alter our estimate Xm by taking the maximum of the top 10 most
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common build time values of the 10ms histogram, and compute Xm as
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the average of these. Fixes bug 40168; bugfix on 0.2.2.14-alpha.
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- Remove max_time calculation and associated warn from circuit build
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timeout 'alpha' parameter estimation, as this is no longer needed
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by our new estimator from 40168. Fixes bug 34088; bugfix
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on 0.2.2.9-alpha.
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o Major bugfixes (signing key):
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- In the tor-gencert utility, give an informative error message if
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the passphrase given in `--create-identity-key` is too short.
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Fixes bug 40189; bugfix on 0.2.0.1-alpha. Patch by Neel Chauhan.
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o Minor features (bridge):
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- We now announce the URL to Tor's new bridge status at
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https://bridges.torproject.org/ when Tor is configured to run as a
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bridge relay. Closes ticket 30477.
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o Minor features (build system):
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- New "make lsp" command to auto generate the compile_commands.json
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file used by the ccls server. The "bear" program is needed for
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this. Closes ticket 40227.
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o Minor features (command-line interface):
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- Add build informations to `tor --version` in order to ease
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reproducible builds. Closes ticket 32102.
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- When parsing command-line flags that take an optional argument,
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treat the argument as absent if it would start with a '-'
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character. Arguments in that form are not intelligible for any of
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our optional-argument flags. Closes ticket 40223.
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- Allow a relay operator to list the ed25519 keys on the command
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line by adding the `rsa` and `ed25519` arguments to the
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--list-fingerprint flag to show the respective RSA and ed25519
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relay fingerprint. Closes ticket 33632. Patch by Neel Chauhan.
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o Minor features (control port, stream handling):
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- Add the stream ID argument to the event line in the ADDRMAP
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control event. Closes ticket 40249. Patch by Neel Chauhan.
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o Minor features (logging):
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- Change the DoS subsystem heartbeat line format so be more clear on
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what has been detected/rejected and which option is disabled if
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any. Closes ticket 40308.
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- In src/core/mainloop/mainloop.c and src/core/mainloop/connection.c,
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put brackets around IPv6 addresses in log messages. Closes ticket
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40232. Patch by Neel Chauhan.
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o Minor features (performance, windows):
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- Use SRWLocks to implement locking on Windows. Replaces the
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critical section locking implementation with the faster SRWLocks
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available since Windows Vista. Closes ticket 17927. Patch by
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Daniel Pinto.
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o Minor features (protocol, proxy support, defense in depth):
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- Close HAProxy connections if they somehow manage to send us data
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before we start reading. Closes another case of ticket 40017.
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o Minor features (tests, portability):
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- Port the hs_build_address.py test script to work with recent
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versions of python. Closes ticket 40213. Patch from
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Samanta Navarro.
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o Minor bugfixes (build):
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- Mini-report in the configure script now shows whether or not lzma
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and zstd have been used, not just if enable flag passed in. Fixes
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bug 40236; bugfix on 0.4.3.1-alpha.
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o Minor bugfixes (compatibility):
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- Fix a failure in the test cases when running on the hppa
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architecture, along with a related test that might fail on other
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architectures in the future. Fixes bug 40274; bugfix
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on 0.2.5.1-alpha.
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o Minor bugfixes (directory authorities, voting):
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- Add a new consensus method (31) to support any future changes that
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authorities decide to make to the value of bwweightscale or
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maxunmeasuredbw. Previously, there was a bug that prevented the
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authorities from parsing these consensus parameters correctly under
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most circumstances. Fixes bug 19011; bugfix on 0.2.2.10-alpha.
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o Minor bugfixes (ipv6):
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- Allow non-SOCKSPorts to disable IPv4, IPv6, and Prefer IPv4. Some
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rare configs might break, but in this case you can disable
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NoIPv4Traffic and NoIPv6Traffic as needed. Fixes bug 33607; bugfix
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on 0.4.1.1-alpha. Patch by Neel Chauhan.
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o Minor bugfixes (key generation):
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- Do not require a valid torrc when using the `--keygen` argument to
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generate a signing key. This allows us to generate keys on systems
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or users which may not run Tor. Fixes bug 40235; bugfix on
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0.2.7.2-alpha. Patch by Neel Chauhan.
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o Minor bugfixes (onion services, logging):
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- Downgrade the severity of a few rendezvous circuit-related
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warnings from warning to info. Fixes bug 40207; bugfix on
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0.3.2.1-alpha. Patch by Neel Chauhan.
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o Minor bugfixes (relay):
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- Reduce the compression level for data streaming from HIGH to LOW.
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Fixes bug 40301; bugfix on 0.3.5.1-alpha.
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o Code simplification and refactoring:
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- Remove the orconn_ext_or_id_map structure and related functions.
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Nothing outside of unit tests looks up anything in this structure.
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Closes ticket 33383. Patch by Neel Chauhan.
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o Code simplification and refactoring (metrics, DoS):
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- Move the DoS subsystem into the subsys manager including its
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configuration options. Closes ticket 40261.
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o Removed features (relay):
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- Because DirPorts are only used on authorities, relays no longer
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advertise them. Similarly, self-testing for DirPorts has been
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disabled, since an unreachable DirPort is no reason for a relay
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not to advertise itself. (Configuring a DirPort will still work,
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for now.) Closes ticket 40282.
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Changes in version 0.4.5.6 - 2021-02-15
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The Tor 0.4.5.x release series is dedicated to the memory of Karsten
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@ -1,5 +0,0 @@
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o Minor features (command-line interface):
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- When parsing command-line flags that take an optional argument,
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treat the argument as absent if it would start with a '-' character.
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Arguments in that form are not intelligible for any of our
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optional-argument flags. Closes ticket 40223.
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@ -1,7 +0,0 @@
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o Minor bugfixes (directory authorities, voting):
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- Add a new consensus method (31) to support any future changes that
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authorities decide to make to the value of bwweightscale or
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maxunmeasuredbw. Previously, there was a bug that prevented the
|
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authorities from parsing these consensus parameters correctly under
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most circumstances.
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Fixes bug 19011; bugfix on 0.2.2.10-alpha.
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@ -1,4 +0,0 @@
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o Major features (statistics):
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- Relays will now also publish statistics about the number of v3 onion
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services and volume of v3 onion service traffic, in the same manner they
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already do for v2 onions. Closes ticket 23126.
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@ -1,5 +0,0 @@
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o Minor bugfixes (ipv6):
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- Allow non-SOCKSPorts to disable IPv4, IPv6, and Prefer IPv4. Some rare
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configs might break, but in this case you can disable NoIPv4Traffic and
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NoIPv6Traffic as needed. Fixes bug 33607; bugfix on 0.4.1.1-alpha. Patch
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by Neel Chauhan.
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@ -1,4 +0,0 @@
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o Minor bugfixes (circuit build timeout):
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- Remove max_time calculation and associated warn from circuit build
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timeout 'alpha' parameter estimation, as this is no longer needed
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by our new estimator from 40168. Fixes bug 34088; bugfix on 0.2.2.9-alpha.
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@ -1,16 +0,0 @@
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o Minor bugfixes (circuit build timeout):
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- Improve the accuracy of our circuit build timeout calculation for 60%,
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70%, and 80% build rates for various guard choices. We now use a maximum
|
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likelihood estimator for Pareto parameters of the circuit build time
|
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distribution, instead of a "right-censored estimator". This causes
|
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clients to ignore circuits that never finish building in their timeout
|
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calculations. Previously, clients were counting such unfinished circuits
|
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as having the highest possible build time value, when in reality these
|
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circuits most likely just contain relays that are offline. We also now
|
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wait a bit longer to let circuits complete for measurement purposes,
|
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lower the minimum possible effective timeout from 1.5 seconds to 10ms,
|
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and increase the resolution of the circuit build time histogram from
|
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50ms bin widths to 10ms bin widths. Additionally, we alter our estimate
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Xm by taking the maximum of the top 10 most common build time values
|
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of the 10ms histogram, and compute Xm as the average of these.
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Fixes bug 40168; bugfix on 0.2.2.14-alpha.
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@ -1,4 +0,0 @@
|
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o Major bugfixes (signing key):
|
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- In the tor-gencert utility, give an informative error message if the
|
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passphrase given in `--create-identity-key` is too short. Fixes bug
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40189; bugfix on 0.2.0.1-alpha. Patch by Neel Chauhan.
|
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@ -1,4 +0,0 @@
|
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o Minor bugfixes (onion services, logging):
|
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- Downgrade the severity of a few rendezvous circuit-related
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warnings from warning to info. Fixes bug 40207; bugfix on
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0.3.2.1-alpha. Patch by Neel Chauhan.
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@ -1,5 +0,0 @@
|
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o Minor bugfixes (key generation):
|
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- Do not require a valid torrc when using the `--keygen` argument
|
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to generate a signing key. This allows us to generate keys on
|
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systems or users which may not run Tor. Fixes bug 40235; bugfix
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on 0.2.7.2-alpha. Patch by Neel Chauhan.
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@ -1,4 +0,0 @@
|
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o Minor bugfixes (build):
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- Mini-report in the configure script now shows whether or not lzma and zstd
|
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have been used, not just if enable flag passed in. Fixes bug 40236; bugfix
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on 0.4.3.1-alpha.
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@ -1,5 +0,0 @@
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o Minor feature (DoS log heartbeat):
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- Change the DoS subsystem heartbeat line format so be more clear on what
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has been detected/rejected and which option is disabled if any. Closes
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ticket 40308.
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@ -1,3 +0,0 @@
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o Minor features (tests, portability):
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- Port the hs_build_address.py test script to work with recent versions
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of python. Closes ticket 40213. Patch from Samanta Navarro.
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@ -1,4 +0,0 @@
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o Minor features (performance, windows):
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- Use SRWLocks to implement locking on Windows. Replaces the critical
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section locking implementation with the faster SRWLocks available
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since Windows Vista. Closes ticket 17927. Patch by Daniel Pinto.
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@ -1,4 +0,0 @@
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o Minor features (bridge):
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- We now announce the URL to Tor's new bridge status at
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https://bridges.torproject.org/ when Tor is configured to run as a bridge
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relay. Closes ticket 30477.
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@ -1,3 +0,0 @@
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o Minor features (build information):
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- Add build informations to `tor --version` in order to ease reproducible
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builds. Closes ticket 32102.
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@ -1,4 +0,0 @@
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o Code simplification and refactoring:
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- Remove the orconn_ext_or_id_map structure and related functions. Nothing
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outside of unit tests looks up anything in this structure. Closes ticket
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33383. Patch by Neel Chauhan.
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@ -1,5 +0,0 @@
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o Minor features (relay fingerprint, command line):
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||||
- Allow a relay operator to list the ed25519 keys on the command line
|
||||
by adding the `rsa` and `ed25519` arguments to the --list-fingerprint
|
||||
flag to show the respective RSA and ed25519 relay fingerprint. Closes
|
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ticket 33632. Patch by Neel Chauhan.
|
||||
@ -1,3 +0,0 @@
|
||||
o Minor features (protocol, proxy support, defense in depth):
|
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- Close HAProxy connections if they somehow manage to send us data before
|
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we start reading. Closes another case of ticket 40017.
|
||||
@ -1,4 +0,0 @@
|
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o Major features (control port, onion services):
|
||||
- Add support for creating version 3 onion services with authorization
|
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from the control port. Previously, we could only create version 2
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services here. Closes ticket 40084. Patch by Neel Chauhan.
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||||
@ -1,4 +0,0 @@
|
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o Minor feature (build system):
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||||
- New "make lsp" command to auto generate the compile_commands.json file
|
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used by the ccls server. The "bear" program is needed for this. Closes
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ticket 40227.
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||||
@ -1,4 +0,0 @@
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o Minor features (logging, IPv6):
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- In src/core/mainloop/mainloop.c and src/core/mainloop/connection.c,
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put brackets around IPv6 addresses in log messages. Closes ticket
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||||
40232. Patch by Neel Chauhan.
|
||||
@ -1,3 +0,0 @@
|
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o Minor features (control port, stream handling):
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||||
- Add the stream ID argument to the event line in the ADDRMAP control
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event. Closes ticket 40249. Patch by Neel Chauhan.
|
||||
@ -1,3 +0,0 @@
|
||||
o Major feature (relay, denial of service):
|
||||
- Add a new DoS subsystem feature to control the rate of client connections
|
||||
for relays. Closes ticket 40253.
|
||||
@ -1,5 +0,0 @@
|
||||
o Major features (directory authority, sybil):
|
||||
- When voting for a relay with a Sybil-like appearance, add the Sybil
|
||||
flag when clearing out the other flags. This lets a relay operator
|
||||
know why their relay hasn't been voted on. Closes ticket 40255.
|
||||
Patch by Neel Chauhan.
|
||||
@ -1,4 +0,0 @@
|
||||
o Code simplification and refactoring (metrics, DoS):
|
||||
- Move the DoS subsystem into the subsys manager including its configuration
|
||||
options. Closes ticket 40261.
|
||||
|
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@ -1,4 +0,0 @@
|
||||
o Minor bugfixes (compatibility):
|
||||
- Fix a failure in the test cases when running on the hppa architecture,
|
||||
along with a related test that might fail on other architectures in the
|
||||
future. Fixes bug 40274; bugfix on 0.2.5.1-alpha.
|
||||
@ -1,6 +0,0 @@
|
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o Removed features (relay):
|
||||
- Because DirPorts are only used on authorities, relays no longer
|
||||
advertise them. Similarly, self-testing for DirPorts has been disabled,
|
||||
since an unreachable DirPort is no reason for a relay not to advertise
|
||||
itself. (Configuring a DirPort will still work, for now.) Closes
|
||||
ticket 40282.
|
||||
@ -1,4 +0,0 @@
|
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o Minor bugfixes (relay):
|
||||
- Reduce the compression level for data streaming from HIGH to LOW. Fixes
|
||||
bug 40301; bugfix on 0.3.5.1-alpha.
|
||||
|
||||
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