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[tor-commits] [tor/main] Sync ReleaseNotes and ChangeLog from release-{0.3.5, 0.4.5, 0.4.6} to main.
commit ecb9cee26659996bb64c563e0e13f820e905804d
Author: Alexander Færøy <ahf@xxxxxxxxxxxxxx>
Date: Mon Oct 25 23:41:05 2021 +0000
Sync ReleaseNotes and ChangeLog from release-{0.3.5, 0.4.5, 0.4.6} to main.
---
ChangeLog | 177 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ReleaseNotes | 177 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 354 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 4239f86a31..a061775812 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -244,6 +244,65 @@ Changes in version 0.4.7.1-alpha - 2021-09-17
Fixes bug 40467; bugfix on 0.4.3.1-alpha. Patch by Neel Chauhan.
+Changes in version 0.4.6.8 - 2021-10-26
+ This version fixes several bugs from earlier versions of Tor. One
+ highlight is a fix on how we track DNS timeouts to report general
+ relay overload.
+
+ o Major bugfixes (relay, overload state):
+ - Relays report the general overload state for DNS timeout errors
+ only if X% of all DNS queries over Y seconds are errors. Before
+ that, it only took 1 timeout to report the overload state which
+ was just too low of a threshold. The X and Y values are 1% and 10
+ minutes respectively but they are also controlled by consensus
+ parameters. Fixes bug 40491; bugfix on 0.4.6.1-alpha.
+
+ o Minor features (fallbackdir):
+ - Regenerate fallback directories for October 2021. Closes
+ ticket 40493.
+
+ o Minor features (testing):
+ - On a testing network, relays can now use the
+ TestingMinTimeToReportBandwidth option to change the smallest
+ amount of time over which they're willing to report their observed
+ maximum bandwidth. Previously, this was fixed at 1 day. For
+ safety, values under 2 hours are only supported on testing
+ networks. Part of a fix for ticket 40337.
+ - Relays on testing networks no longer rate-limit how frequently
+ they are willing to report new bandwidth measurements. Part of a
+ fix for ticket 40337.
+ - Relays on testing networks now report their observed bandwidths
+ immediately from startup. Previously, they waited until they had
+ been running for a full day. Closes ticket 40337.
+
+ o Minor bugfix (onion service):
+ - Do not flag an HSDir as non-running in case the descriptor upload
+ or fetch fails. An onion service closes pending directory
+ connections before uploading a new descriptor which can thus lead
+ to wrongly flagging many relays and thus affecting circuit building
+ path selection. Fixes bug 40434; bugfix on 0.2.0.13-alpha.
+ - Improve logging when a bad HS version is given. Fixes bug 40476;
+ bugfix on 0.4.6.1-alpha.
+
+ o Minor bugfix (CI, onion service):
+ - Exclude onion service version 2 Stem tests in our CI. Fixes bug 40500;
+ bugfix on 0.3.2.1-alpha.
+
+ o Minor bugfixes (compatibility):
+ - Fix compatibility with the most recent Libevent versions, which no
+ longer have an evdns_set_random_bytes() function. Because this
+ function has been a no-op since Libevent 2.0.4-alpha, it is safe
+ for us to just stop calling it. Fixes bug 40371; bugfix
+ on 0.2.1.7-alpha.
+
+ o Minor bugfixes (onion service, TROVE-2021-008):
+ - Only log v2 access attempts once total, in order to not pollute
+ the logs with warnings and to avoid recording the times on disk
+ when v2 access was attempted. Note that the onion address was
+ _never_ logged. This counts as a Low-severity security issue.
+ Fixes bug 40474; bugfix on 0.4.5.8.
+
+
Changes in version 0.4.6.7 - 2021-08-16
This version fixes several bugs from earlier versions of Tor,
including one that could lead to a denial-of-service attack. Everyone
@@ -290,6 +349,87 @@ Changes in version 0.4.6.7 - 2021-08-16
schedules.) Fixes bug 40383; bugfix on 0.2.0.3-alpha.
+Changes in version 0.4.5.11 - 2021-10-26
+ The major change in this version is that v2 onion services are now
+ disabled at the client, service, and relay: any Tor nodes running this
+ version and onward will stop supporting v2 onion services. This is the
+ last step in the long deprecation process of v2 onion services.
+ Everyone running an earlier version, whether as a client, a relay, or
+ an onion service, should upgrade to Tor 0.3.5.17, 0.4.5.11,
+ or 0.4.6.8.
+
+ o Major feature (onion service v2):
+ - See https://blog.torproject.org/v2-deprecation-timeline for
+ details on how to transition from v2 to v3.
+ - The control port commands HSFETCH and HSPOST no longer allow
+ version 2, and it is no longer possible to create a v2 service
+ with ADD_ONION.
+ - Tor no longer allows creating v2 services, or connecting as a
+ client to a v2 service. Relays will decline to be a v2 HSDir or
+ introduction point. This effectively disables onion service
+ version 2 Tor-wide. Closes ticket 40476.
+
+ o Minor features (bridge, backport from 0.4.6.8):
+ - We now announce the URL to Tor's new bridge status at
+ https://bridges.torproject.org/ when Tor is configured to run as a
+ bridge relay. Closes ticket 30477.
+
+ o Minor features (fallbackdir):
+ - Regenerate fallback directories for October 2021. Closes
+ ticket 40493.
+
+ o Minor features (logging, diagnostic, backport from 0.4.6.5):
+ - Log decompression failures at a higher severity level, since they
+ can help provide missing context for other warning messages. We
+ rate-limit these messages, to avoid flooding the logs if they
+ begin to occur frequently. Closes ticket 40175.
+
+ o Minor features (testing, backport from 0.4.6.8):
+ - On a testing network, relays can now use the
+ TestingMinTimeToReportBandwidth option to change the smallest
+ amount of time over which they're willing to report their observed
+ maximum bandwidth. Previously, this was fixed at 1 day. For
+ safety, values under 2 hours are only supported on testing
+ networks. Part of a fix for ticket 40337.
+ - Relays on testing networks no longer rate-limit how frequently
+ they are willing to report new bandwidth measurements. Part of a
+ fix for ticket 40337.
+ - Relays on testing networks now report their observed bandwidths
+ immediately from startup. Previously, they waited until they had
+ been running for a full day. Closes ticket 40337.
+
+ o Minor bugfix (CI, onion service):
+ - Exclude onion service version 2 Stem tests in our CI. Fixes bug 40500;
+ bugfix on 0.3.2.1-alpha.
+
+ o Minor bugfix (onion service, backport from 0.4.6.8):
+ - Do not flag an HSDir as non-running in case the descriptor upload
+ or fetch fails. An onion service closes pending directory
+ connections before uploading a new descriptor which can thus lead
+ to wrongly flagging many relays and thus affecting circuit building
+ path selection. Fixes bug 40434; bugfix on 0.2.0.13-alpha.
+
+ o Minor bugfixes (compatibility, backport from 0.4.6.8):
+ - Fix compatibility with the most recent Libevent versions, which no
+ longer have an evdns_set_random_bytes() function. Because this
+ function has been a no-op since Libevent 2.0.4-alpha, it is safe
+ for us to just stop calling it. Fixes bug 40371; bugfix
+ on 0.2.1.7-alpha.
+
+ o Minor bugfixes (consensus handling, backport from 0.4.6.4-rc):
+ - Avoid a set of bugs that could be caused by inconsistently
+ preferring an out-of-date consensus stored in a stale directory
+ cache over a more recent one stored on disk as the latest
+ consensus. Fixes bug 40375; bugfix on 0.3.1.1-alpha.
+
+ o Minor bugfixes (onion service, TROVE-2021-008, backport from 0.4.6.8):
+ - Only log v2 access attempts once total, in order to not pollute
+ the logs with warnings and to avoid recording the times on disk
+ when v2 access was attempted. Note that the onion address was
+ _never_ logged. This counts as a Low-severity security issue.
+ Fixes bug 40474; bugfix on 0.4.5.8.
+
+
Changes in version 0.4.5.10 - 2021-08-16
This version fixes several bugs from earlier versions of Tor,
including one that could lead to a denial-of-service attack. Everyone
@@ -339,6 +479,43 @@ Changes in version 0.4.5.10 - 2021-08-16
versions of NSS. Fixes bug 40409; bugfix on 0.3.5.1-alpha.
+Changes in version 0.3.5.17 - 2021-10-26
+ The major change in this version is that v2 onion services are now
+ disabled at the client, service, and relay: any Tor nodes running this
+ version and onward will stop supporting v2 onion services. This is the
+ last step in the long deprecation process of v2 onion services.
+ Everyone running an earlier version, whether as a client, a relay, or
+ an onion service, should upgrade to Tor 0.3.5.17, 0.4.5.11,
+ or 0.4.6.8.
+
+ o Major feature (onion service v2, backport from 0.4.5.11):
+ - See https://blog.torproject.org/v2-deprecation-timeline for
+ details on how to transition from v2 to v3.
+ - The control port commands HSFETCH and HSPOST no longer allow
+ version 2, and it is no longer possible to create a v2 service
+ with ADD_ONION.
+ - Tor no longer allows creating v2 services, or connecting as a
+ client to a v2 service. Relays will decline to be a v2 HSDir or
+ introduction point. This effectively disables onion service
+ version 2 Tor-wide. Closes ticket 40476.
+
+ o Minor features (bridge, backport from 0.4.6.8):
+ - We now announce the URL to Tor's new bridge status at
+ https://bridges.torproject.org/ when Tor is configured to run as a
+ bridge relay. Closes ticket 30477.
+
+ o Minor features (fallbackdir):
+ - Regenerate fallback directories for October 2021. Closes
+ ticket 40493.
+
+ o Minor bugfixes (compatibility, backport from 0.4.6.8):
+ - Fix compatibility with the most recent Libevent versions, which no
+ longer have an evdns_set_random_bytes() function. Because this
+ function has been a no-op since Libevent 2.0.4-alpha, it is safe
+ for us to just stop calling it. Fixes bug 40371; bugfix
+ on 0.2.1.7-alpha.
+
+
Changes in version 0.3.5.16 - 2021-08-16
This version fixes several bugs from earlier versions of Tor,
including one that could lead to a denial-of-service attack. Everyone
diff --git a/ReleaseNotes b/ReleaseNotes
index 34b8113bcb..73c351fa83 100644
--- a/ReleaseNotes
+++ b/ReleaseNotes
@@ -2,6 +2,65 @@ 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 0.4.6.8 - 2021-10-26
+ This version fixes several bugs from earlier versions of Tor. One
+ highlight is a fix on how we track DNS timeouts to report general
+ relay overload.
+
+ o Major bugfixes (relay, overload state):
+ - Relays report the general overload state for DNS timeout errors
+ only if X% of all DNS queries over Y seconds are errors. Before
+ that, it only took 1 timeout to report the overload state which
+ was just too low of a threshold. The X and Y values are 1% and 10
+ minutes respectively but they are also controlled by consensus
+ parameters. Fixes bug 40491; bugfix on 0.4.6.1-alpha.
+
+ o Minor features (fallbackdir):
+ - Regenerate fallback directories for October 2021. Closes
+ ticket 40493.
+
+ o Minor features (testing):
+ - On a testing network, relays can now use the
+ TestingMinTimeToReportBandwidth option to change the smallest
+ amount of time over which they're willing to report their observed
+ maximum bandwidth. Previously, this was fixed at 1 day. For
+ safety, values under 2 hours are only supported on testing
+ networks. Part of a fix for ticket 40337.
+ - Relays on testing networks no longer rate-limit how frequently
+ they are willing to report new bandwidth measurements. Part of a
+ fix for ticket 40337.
+ - Relays on testing networks now report their observed bandwidths
+ immediately from startup. Previously, they waited until they had
+ been running for a full day. Closes ticket 40337.
+
+ o Minor bugfix (onion service):
+ - Do not flag an HSDir as non-running in case the descriptor upload
+ or fetch fails. An onion service closes pending directory
+ connections before uploading a new descriptor which can thus lead
+ to wrongly flagging many relays and thus affecting circuit building
+ path selection. Fixes bug 40434; bugfix on 0.2.0.13-alpha.
+ - Improve logging when a bad HS version is given. Fixes bug 40476;
+ bugfix on 0.4.6.1-alpha.
+
+ o Minor bugfix (CI, onion service):
+ - Exclude onion service version 2 Stem tests in our CI. Fixes bug 40500;
+ bugfix on 0.3.2.1-alpha.
+
+ o Minor bugfixes (compatibility):
+ - Fix compatibility with the most recent Libevent versions, which no
+ longer have an evdns_set_random_bytes() function. Because this
+ function has been a no-op since Libevent 2.0.4-alpha, it is safe
+ for us to just stop calling it. Fixes bug 40371; bugfix
+ on 0.2.1.7-alpha.
+
+ o Minor bugfixes (onion service, TROVE-2021-008):
+ - Only log v2 access attempts once total, in order to not pollute
+ the logs with warnings and to avoid recording the times on disk
+ when v2 access was attempted. Note that the onion address was
+ _never_ logged. This counts as a Low-severity security issue.
+ Fixes bug 40474; bugfix on 0.4.5.8.
+
+
Changes in version 0.4.6.7 - 2021-08-16
This version fixes several bugs from earlier versions of Tor, including one
that could lead to a denial-of-service attack. Everyone running an earlier
@@ -50,6 +109,87 @@ Changes in version 0.4.6.7 - 2021-08-16
voting schedules.) Fixes bug 40383; bugfix on 0.2.0.3-alpha.
+Changes in version 0.4.5.11 - 2021-10-26
+ The major change in this version is that v2 onion services are now
+ disabled at the client, service, and relay: any Tor nodes running this
+ version and onward will stop supporting v2 onion services. This is the
+ last step in the long deprecation process of v2 onion services.
+ Everyone running an earlier version, whether as a client, a relay, or
+ an onion service, should upgrade to Tor 0.3.5.17, 0.4.5.11,
+ or 0.4.6.8.
+
+ o Major feature (onion service v2):
+ - See https://blog.torproject.org/v2-deprecation-timeline for
+ details on how to transition from v2 to v3.
+ - The control port commands HSFETCH and HSPOST no longer allow
+ version 2, and it is no longer possible to create a v2 service
+ with ADD_ONION.
+ - Tor no longer allows creating v2 services, or connecting as a
+ client to a v2 service. Relays will decline to be a v2 HSDir or
+ introduction point. This effectively disables onion service
+ version 2 Tor-wide. Closes ticket 40476.
+
+ o Minor features (bridge, backport from 0.4.6.8):
+ - We now announce the URL to Tor's new bridge status at
+ https://bridges.torproject.org/ when Tor is configured to run as a
+ bridge relay. Closes ticket 30477.
+
+ o Minor features (fallbackdir):
+ - Regenerate fallback directories for October 2021. Closes
+ ticket 40493.
+
+ o Minor features (logging, diagnostic, backport from 0.4.6.5):
+ - Log decompression failures at a higher severity level, since they
+ can help provide missing context for other warning messages. We
+ rate-limit these messages, to avoid flooding the logs if they
+ begin to occur frequently. Closes ticket 40175.
+
+ o Minor features (testing, backport from 0.4.6.8):
+ - On a testing network, relays can now use the
+ TestingMinTimeToReportBandwidth option to change the smallest
+ amount of time over which they're willing to report their observed
+ maximum bandwidth. Previously, this was fixed at 1 day. For
+ safety, values under 2 hours are only supported on testing
+ networks. Part of a fix for ticket 40337.
+ - Relays on testing networks no longer rate-limit how frequently
+ they are willing to report new bandwidth measurements. Part of a
+ fix for ticket 40337.
+ - Relays on testing networks now report their observed bandwidths
+ immediately from startup. Previously, they waited until they had
+ been running for a full day. Closes ticket 40337.
+
+ o Minor bugfix (CI, onion service):
+ - Exclude onion service version 2 Stem tests in our CI. Fixes bug 40500;
+ bugfix on 0.3.2.1-alpha.
+
+ o Minor bugfix (onion service, backport from 0.4.6.8):
+ - Do not flag an HSDir as non-running in case the descriptor upload
+ or fetch fails. An onion service closes pending directory
+ connections before uploading a new descriptor which can thus lead
+ to wrongly flagging many relays and thus affecting circuit building
+ path selection. Fixes bug 40434; bugfix on 0.2.0.13-alpha.
+
+ o Minor bugfixes (compatibility, backport from 0.4.6.8):
+ - Fix compatibility with the most recent Libevent versions, which no
+ longer have an evdns_set_random_bytes() function. Because this
+ function has been a no-op since Libevent 2.0.4-alpha, it is safe
+ for us to just stop calling it. Fixes bug 40371; bugfix
+ on 0.2.1.7-alpha.
+
+ o Minor bugfixes (consensus handling, backport from 0.4.6.4-rc):
+ - Avoid a set of bugs that could be caused by inconsistently
+ preferring an out-of-date consensus stored in a stale directory
+ cache over a more recent one stored on disk as the latest
+ consensus. Fixes bug 40375; bugfix on 0.3.1.1-alpha.
+
+ o Minor bugfixes (onion service, TROVE-2021-008, backport from 0.4.6.8):
+ - Only log v2 access attempts once total, in order to not pollute
+ the logs with warnings and to avoid recording the times on disk
+ when v2 access was attempted. Note that the onion address was
+ _never_ logged. This counts as a Low-severity security issue.
+ Fixes bug 40474; bugfix on 0.4.5.8.
+
+
Changes in version 0.4.5.10 - 2021-08-16
This version fixes several bugs from earlier versions of Tor, including one
that could lead to a denial-of-service attack. Everyone running an earlier
@@ -97,6 +237,43 @@ Changes in version 0.4.5.10 - 2021-08-16
of NSS. Fixes bug 40409; bugfix on 0.3.5.1-alpha.
+Changes in version 0.3.5.17 - 2021-10-26
+ The major change in this version is that v2 onion services are now
+ disabled at the client, service, and relay: any Tor nodes running this
+ version and onward will stop supporting v2 onion services. This is the
+ last step in the long deprecation process of v2 onion services.
+ Everyone running an earlier version, whether as a client, a relay, or
+ an onion service, should upgrade to Tor 0.3.5.17, 0.4.5.11,
+ or 0.4.6.8.
+
+ o Major feature (onion service v2, backport from 0.4.5.11):
+ - See https://blog.torproject.org/v2-deprecation-timeline for
+ details on how to transition from v2 to v3.
+ - The control port commands HSFETCH and HSPOST no longer allow
+ version 2, and it is no longer possible to create a v2 service
+ with ADD_ONION.
+ - Tor no longer allows creating v2 services, or connecting as a
+ client to a v2 service. Relays will decline to be a v2 HSDir or
+ introduction point. This effectively disables onion service
+ version 2 Tor-wide. Closes ticket 40476.
+
+ o Minor features (bridge, backport from 0.4.6.8):
+ - We now announce the URL to Tor's new bridge status at
+ https://bridges.torproject.org/ when Tor is configured to run as a
+ bridge relay. Closes ticket 30477.
+
+ o Minor features (fallbackdir):
+ - Regenerate fallback directories for October 2021. Closes
+ ticket 40493.
+
+ o Minor bugfixes (compatibility, backport from 0.4.6.8):
+ - Fix compatibility with the most recent Libevent versions, which no
+ longer have an evdns_set_random_bytes() function. Because this
+ function has been a no-op since Libevent 2.0.4-alpha, it is safe
+ for us to just stop calling it. Fixes bug 40371; bugfix
+ on 0.2.1.7-alpha.
+
+
Changes in version 0.3.5.16 - 2021-08-16
This version fixes several bugs from earlier versions of Tor, including one
that could lead to a denial-of-service attack. Everyone running an earlier
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