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changelog: Update it with latest releases

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Signed-off-by: David Goulet <dgoulet@torproject.org>
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David Goulet 2022-12-06 11:16:47 -05:00
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64
ChangeLog
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@ -1,3 +1,67 @@
Changes in version 0.4.7.12 - 2022-12-06
This version contains a major change that is a new key for moria1. Also, new
metrics are exported on the MetricsPort for the congestion control
subsystem.
o Directory authority changes (moria1):
- Rotate the relay identity key and v3 identity key for moria1. They
have been online for more than a decade and refreshing keys
periodically is good practice. Advertise new ports too, to avoid
confusion. Closes ticket 40722.
o Minor feature (Congestion control metrics):
- Add additional metricsport relay metrics for congestion control.
Closes ticket 40724.
o Minor features (fallbackdir):
- Regenerate fallback directories generated on December 06, 2022.
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database, as
retrieved on 2022/12/06.
o Minor bugfixes (cpuworker, relay):
- Fix an off by one overload calculation on the number of CPUs being
used by our thread pool. Fixes bug 40719; bugfix on 0.3.5.1-alpha.
Changes in version 0.4.5.15 - 2022-12-06
This version has several major changes for directory authorities. And a
major bugfix on OSX. Again, we strongly recommend to upgrade to our 0.4.7.x
series latest stable. This series is EOL on February 15th, 2023.
o Directory authority changes (dizum):
- Change dizum IP address. Closes ticket 40687.
o Directory authority changes (Faravahar):
- Remove Faravahar until its operator, Sina, set it back up online
outside of Team Cymru network. Closes ticket 40688.
o Directory authority changes (moria1):
- Rotate the relay identity key and v3 identity key for moria1. They
have been online for more than a decade and refreshing keys
periodically is good practice. Advertise new ports too, to avoid
confusion. Closes ticket 40722.
o Major bugfixes (OSX):
- Fix coarse-time computation on Apple platforms (like Mac M1) where
the Mach absolute time ticks do not correspond directly to
nanoseconds. Previously, we computed our shift value wrong, which
led us to give incorrect timing results. Fixes bug 40684; bugfix
on 0.3.3.1-alpha.
o Major bugfixes (relay):
- Improve security of our DNS cache by randomly clipping the TTL
value. TROVE-2021-009. Fixes bug 40674; bugfix on 0.3.5.1-alpha.
o Minor features (fallbackdir):
- Regenerate fallback directories generated on December 06, 2022.
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database, as
retrieved on 2022/12/06.
Changes in version 0.4.7.11 - 2022-11-10
This version contains several major fixes aimed at helping defend against
network denial of service. It is also extending drastically the MetricsPort

227
ReleaseNotes
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@ -2,6 +2,233 @@ This document summarizes new features and bugfixes in each stable
release of Tor. If you want to see more detailed descriptions of the
changes in each development snapshot, see the ChangeLog file.
Changes in version 0.4.7.12 - 2022-12-06
This version contains a major change that is a new key for moria1. Also, new
metrics are exported on the MetricsPort for the congestion control
subsystem.
o Directory authority changes (moria1):
- Rotate the relay identity key and v3 identity key for moria1. They
have been online for more than a decade and refreshing keys
periodically is good practice. Advertise new ports too, to avoid
confusion. Closes ticket 40722.
o Minor feature (Congestion control metrics):
- Add additional metricsport relay metrics for congestion control.
Closes ticket 40724.
o Minor features (fallbackdir):
- Regenerate fallback directories generated on December 06, 2022.
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database, as
retrieved on 2022/12/06.
o Minor bugfixes (cpuworker, relay):
- Fix an off by one overload calculation on the number of CPUs being
used by our thread pool. Fixes bug 40719; bugfix on 0.3.5.1-alpha.
Changes in version 0.4.5.15 - 2022-12-06
This version has several major changes for directory authorities. And a
major bugfix on OSX. Again, we strongly recommend to upgrade to our 0.4.7.x
series latest stable. This series is EOL on February 15th, 2023.
o Directory authority changes (dizum):
- Change dizum IP address. Closes ticket 40687.
o Directory authority changes (Faravahar):
- Remove Faravahar until its operator, Sina, set it back up online
outside of Team Cymru network. Closes ticket 40688.
o Directory authority changes (moria1):
- Rotate the relay identity key and v3 identity key for moria1. They
have been online for more than a decade and refreshing keys
periodically is good practice. Advertise new ports too, to avoid
confusion. Closes ticket 40722.
o Major bugfixes (OSX):
- Fix coarse-time computation on Apple platforms (like Mac M1) where
the Mach absolute time ticks do not correspond directly to
nanoseconds. Previously, we computed our shift value wrong, which
led us to give incorrect timing results. Fixes bug 40684; bugfix
on 0.3.3.1-alpha.
o Major bugfixes (relay):
- Improve security of our DNS cache by randomly clipping the TTL
value. TROVE-2021-009. Fixes bug 40674; bugfix on 0.3.5.1-alpha.
o Minor features (fallbackdir):
- Regenerate fallback directories generated on December 06, 2022.
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database, as
retrieved on 2022/12/06.
Changes in version 0.4.7.11 - 2022-11-10
This version contains several major fixes aimed at helping defend against
network denial of service. It is also extending drastically the MetricsPort
for relays to help us gather more internal data to investigate performance
and attacks.
We strongly recommend to upgrade to this version especially for Exit relays
in order to help the network defend against this ongoing DDoS.
o Directory authority changes (dizum, Faravahar):
- Change dizum IP address. Closes ticket 40687.
- Remove Faravahar until its operator, Sina, set it back up online
outside of Team Cymru network. Closes ticket 40688.
o Major bugfixes (geoip data):
- IPFire informed us on August 12th that databases generated after
(including) August 10th did not have proper ARIN network
allocations. We are updating the database to use the one generated
on August 9th, 2022. Fixes bug 40658; bugfix on 0.4.5.13.
o Major bugfixes (onion service):
- Set a much higher circuit build timeout for opened client rendezvous
circuit. Before this, tor would time them out very quickly leading to
unnecessary retries meaning more load on the network. Fixes bug 40694;
bugfix on 0.3.5.1-alpha.
o Major bugfixes (OSX):
- Fix coarse-time computation on Apple platforms (like Mac M1) where
the Mach absolute time ticks do not correspond directly to
nanoseconds. Previously, we computed our shift value wrong, which
led us to give incorrect timing results. Fixes bug 40684; bugfix
on 0.3.3.1-alpha.
o Major bugfixes (relay):
- Improve security of our DNS cache by randomly clipping the TTL
value. TROVE-2021-009. Fixes bug 40674; bugfix on 0.3.5.1-alpha.
o Minor feature (Mac and iOS build):
- Change how combine_libs works on Darwin like platforms to make
sure we don't include any `__.SYMDEF` and `__.SYMDEF SORTED`
symbols on the archive before we repack and run ${RANLIB} on the
archive. This fixes a build issue with recent Xcode versions on
Mac Silicon and iOS. Closes ticket 40683.
o Minor feature (metrics):
- Add various congestion control counters to the MetricsPort. Closes
ticket 40708.
o Minor feature (performance):
- Bump the maximum amount of CPU that can be used from 16 to 128. Note
that NumCPUs torrc option overrides this hardcoded maximum. Fixes bug
40703; bugfix on 0.3.5.1-alpha.
o Minor feature (relay):
- Make an hardcoded value for the maximum of per CPU tasks into a
consensus parameter.
- Two new consensus parameters are added to control the wait time in
queue of the onionskins. One of them is the torrc
MaxOnionQueueDelay options which supersedes the consensus
parameter. Closes ticket 40704.
o Minor feature (relay, DoS):
- Apply circuit creation anti-DoS defenses if the outbound circuit
max cell queue size is reached too many times. This introduces two
new consensus parameters to control the queue size limit and
number of times allowed to go over that limit. Closes ticket 40680.
o Minor feature (relay, metrics):
- Add DoS defenses counter to MetricsPort.
- Add congestion control RTT reset counter to MetricsPort.
- Add counters to the MetricsPort how many connections, per type,
are currently opened and how many were created.
- Add relay flags from the consensus to the MetricsPort.
- Add total number of opened circuits to MetricsPort.
- Add total number of streams seen by an Exit to the MetricsPort.
- Add traffic stats as in number of read/written bytes in total.
- Related to ticket 40194.
o Minor features (fallbackdir):
- Regenerate fallback directories generated on November 10, 2022.
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database, as
retrieved on 2022/11/10.
o Minor bugfixes (authorities, sandbox):
- Allow to write file my-consensus-<flavor-name> to disk when
sandbox is activated. Fixes bug 40663; bugfix on 0.3.5.1-alpha.
o Minor bugfixes (dirauth):
- Directory authorities stop voting a consensus "Measured" weight
for relays with the Authority flag. Now these relays will be
considered unmeasured, which should reserve their bandwidth for
their dir auth role and minimize distractions from other roles. In
place of the "Measured" weight, they now include a
"MeasuredButAuthority" weight (not used by anything) so the
bandwidth authority's opinion on this relay can be recorded for
posterity. Lastly, remove the AuthDirDontVoteOnDirAuthBandwidth
torrc option which never worked right. Fixes bugs 40698 and 40700;
bugfix on 0.4.7.2-alpha.
o Minor bugfixes (onion service client):
- A collapsing onion service circuit should be seen as an
"unreachable" error so it can be retried. Fixes bug 40692; bugfix
on 0.3.5.1-alpha.
o Minor bugfixes (onion service):
- Make the service retry a rendezvous if the circuit is being
repurposed for measurements. Fixes bug 40696; bugfix
on 0.3.5.1-alpha.
o Minor bugfixes (relay overload statistics):
- Count total create cells vs dropped create cells properly, when
assessing if our fraction of dropped cells is too high. We only
count non-client circuits in the denominator, but we would include
client circuits in the numerator, leading to surprising log lines
claiming that we had dropped more than 100% of incoming create
cells. Fixes bug 40673; bugfix on 0.4.7.1-alpha.
o Code simplification and refactoring (bridges):
- Remove unused code related to ExtPort connection ID. Fixes bug
40648; bugfix on 0.3.5.1-alpha.
Changes in version 0.4.7.10 - 2022-08-12
This version updates the geoip cache that we generate from IPFire location
database to use the August 9th, 2022 one. Everyone MUST update to this
latest release else circuit path selection and relay metrics are badly
affected.
o Major bugfixes (geoip data):
- IPFire informed us on August 12th that databases generated after
(including) August 10th did not have proper ARIN network allocations. We
are updating the database to use the one generated on August 9th, 2022.
Fixes bug 40658; bugfix on 0.4.7.9.
Changes in version 0.4.6.12 - 2022-08-12
This version updates the geoip cache that we generate from IPFire location
database to use the August 9th, 2022 one. Everyone MUST update to this
latest release else circuit path selection and relay metrics are badly
affected.
o Major bugfixes (geoip data):
- IPFire informed us on August 12th that databases generated after
(including) August 10th did not have proper ARIN network allocations. We
are updating the database to use the one generated on August 9th, 2022.
Fixes bug 40658; bugfix on 0.4.6.11.
Changes in version 0.4.5.14 - 2022-08-12
This version updates the geoip cache that we generate from IPFire location
database to use the August 9th, 2022 one. Everyone MUST update to this
latest release else circuit path selection and relay metrics are badly
affected.
o Major bugfixes (geoip data):
- IPFire informed us on August 12th that databases generated after
(including) August 10th did not have proper ARIN network allocations. We
are updating the database to use the one generated on August 9th, 2022.
Fixes bug 40658; bugfix on 0.4.5.13.
Changes in version 0.4.7.9 - 2022-08-11
This version contains several major fixes aimed at reducing memory pressure on
relays and possible side-channel. It also contains a major bugfix related to