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Make a changelog for 0.3.2.10
(Note that two entries are marked OMIT: they are bugfixes on #24902 that we're backporting along with the #24902 code. I think that means that we don't backport their changelog entries, since they are bugfixes on a later version of Tor?)
This commit is contained in:
Nick Mathewson
parent
1c56181983
commit
3acf6cafbb
145
ChangeLog
145
ChangeLog
@ -1,3 +1,148 @@
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Changes in version 0.3.2.10 - 2018-03-??
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Tor 0.3.2.10 is the second stable release in the 0.3.2 series. It
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backports a number of bugfixes, including important fixes for security
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issues.
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BLURB HERE.
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o Major features (denial-of-service mitigation, backport from 0.3.3.2-alpha):
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- Give relays some defenses against the recent network overload. We
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start with three defenses (default parameters in parentheses).
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First: if a single client address makes too many concurrent
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connections (>100), hang up on further connections. Second: if a
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single client address makes circuits too quickly (more than 3 per
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second, with an allowed burst of 90) while also having too many
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connections open (3), refuse new create cells for the next while
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(1-2 hours). Third: if a client asks to establish a rendezvous
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point to you directly, ignore the request. These defenses can be
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manually controlled by new torrc options, but relays will also
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take guidance from consensus parameters, so there's no need to
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configure anything manually. Implements ticket 24902.
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o Major bugfixes (onion services, retry behavior, backport from 0.3.3.1-alpha):
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- Fix an "off by 2" error in counting rendezvous failures on the
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onion service side. While we thought we would stop the rendezvous
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attempt after one failed circuit, we were actually making three
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circuit attempts before giving up. Now switch to a default of 2,
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and allow the consensus parameter "hs_service_max_rdv_failures" to
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override. Fixes bug 24895; bugfix on 0.0.6.
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- New-style (v3) onion services now obey the "max rendezvous circuit
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attempts" logic. Previously they would make as many rendezvous
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circuit attempts as they could fit in the MAX_REND_TIMEOUT second
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window before giving up. Fixes bug 24894; bugfix on 0.3.2.1-alpha.
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o Major bugfixes (protocol versions, backport from 0.3.3.2-alpha):
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- Add Link protocol version 5 to the supported protocols list. Fixes
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bug 25070; bugfix on 0.3.1.1-alpha.
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o Major bugfixes (relay, backport from 0.3.3.1-alpha):
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- Fix a set of false positives where relays would consider
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connections to other relays as being client-only connections (and
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thus e.g. deserving different link padding schemes) if those
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relays fell out of the consensus briefly. Now we look only at the
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initial handshake and whether the connection authenticated as a
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relay. Fixes bug 24898; bugfix on 0.3.1.1-alpha.
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o Major bugfixes (scheduler, consensus, backport from 0.3.3.2-alpha):
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- The scheduler subsystem was failing to promptly notice changes in
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consensus parameters, making it harder to switch schedulers
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network-wide. Fixes bug 24975; bugfix on 0.3.2.1-alpha.
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o Minor features (denial-of-service avoidance, backport from 0.3.3.2-alpha):
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- Make our OOM handler aware of the geoip client history cache so it
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doesn't fill up the memory. This check is important for IPv6 and
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our DoS mitigation subsystem. Closes ticket 25122.
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o Minor features (compatibility, OpenSSL, backport from 0.3.3.3-alpha):
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- Tor will now support TLS1.3 once OpenSSL 1.1.1 is released.
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Previous versions of Tor would not have worked with OpenSSL 1.1.1,
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since they neither disabled TLS 1.3 nor enabled any of the
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ciphersuites it requires. Here we enable the TLS 1.3 ciphersuites.
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Closes ticket 24978.
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o Minor features (geoip):
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- Update geoip and geoip6 to the February 7 2018 Maxmind GeoLite2
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Country database.
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o Minor features (logging, diagnostic, backport from 0.3.3.2-alpha):
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- When logging a failure to check a hidden service's certificate,
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also log what the problem with the certificate was. Diagnostic
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for ticket 24972.
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o Minor bugfix (channel connection, backport from 0.3.3.2-alpha):
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- Use the actual observed address of an incoming relay connection,
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not the canonical address of the relay from its descriptor, when
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making decisions about how to handle the incoming connection.
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Fixes bug 24952; bugfix on 0.2.4.11-alpha. Patch by "ffmancera".
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o Minor bugfix (directory authority, backport from 0.3.3.2-alpha):
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- Directory authorities, when refusing a descriptor from a rejected
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relay, now explicitly tell the relay (in its logs) to set a valid
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ContactInfo address and contact the bad-relays@ mailing list.
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Fixes bug 25170; bugfix on 0.2.9.1.
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o Minor bugfixes (build, rust, backport from 0.3.3.1-alpha):
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- When building with Rust on OSX, link against libresolv, to work
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around the issue at https://github.com/rust-lang/rust/issues/46797.
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Fixes bug 24652; bugfix on 0.3.1.1-alpha.
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[[[[ OMIT
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o Minor bugfixes (DoS mitigation):
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- Add extra safety checks when refilling the circuit creation bucket to
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ensure we never set a value that is above the allowed burst. Fixes
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bug 25202; bugfix on 0.3.3.2-alpha.
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- Make sure we don't modify consensus parameters if we aren't a public
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relay when a new consensus arrives. Fixes bug 25223; bugfix on
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0.3.3.2-alpha.
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OMIT]]]]
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o Minor bugfixes (onion services, backport from 0.3.3.2-alpha):
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- Remove a BUG() statement when a client fetches an onion descriptor
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that has a lower revision counter than the one in its cache. This
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can happen in normal circumstances due to HSDir desync. Fixes bug
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24976; bugfix on 0.3.2.1-alpha.
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o Minor bugfixes (logging, backport from 0.3.3.2-alpha):
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- Don't treat inability to store a cached consensus object as a bug:
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it can happen normally when we are out of disk space. Fixes bug
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24859; bugfix on 0.3.1.1-alpha.
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o Minor bugfixes (performance, fragile-hardening, backport from 0.3.3.1-alpha):
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- Improve the performance of our consensus-diff application code
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when Tor is built with the --enable-fragile-hardening option set.
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Fixes bug 24826; bugfix on 0.3.1.1-alpha.
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o Minor bugfixes (OSX, backport from 0.3.3.1-alpha):
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- Don't exit the Tor process if setrlimit() fails to change the file
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limit (which can happen sometimes on some versions of OSX). Fixes
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bug 21074; bugfix on 0.0.9pre5.
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o Minor bugfixes (scheduler, KIST, backport from 0.3.3.2-alpha):
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- Avoid adding the same channel twice in the KIST scheduler pending
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list, which would waste CPU cycles. Fixes bug 24700; bugfix
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on 0.3.2.1-alpha.
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o Minor bugfixes (testing, backport from 0.3.3.1-alpha):
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- Fix a memory leak in the scheduler/loop_kist unit test. Fixes bug
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25005; bugfix on 0.3.2.7-rc.
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o Minor bugfixes (v3 onion services, backport from 0.3.3.2-alpha):
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- Look at the "HSRend" protocol version, not the "HSDir" protocol
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version, when deciding whether a consensus entry can support the
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v3 onion service protocol as a rendezvous point. Fixes bug 25105;
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bugfix on 0.3.2.1-alpha.
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o Code simplification and refactoring (backport from 0.3.3.3-alpha):
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- Update the "rust dependencies" submodule to be a project-level
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repository, rather than a user repository. Closes ticket 25323.
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o Documentation (backport from 0.3.3.1-alpha)
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- Document that operators who run more than one relay or bridge are
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expected to set MyFamily and ContactInfo correctly. Closes
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ticket 24526.
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Changes in version 0.3.2.9 - 2018-01-09
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Tor 0.3.2.9 is the first stable release in the 0.3.2 series.
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@ -1,4 +0,0 @@
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o Minor bugfixes (portability):
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- Don't exit the Tor process if setrlimit() fails to change the file
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limit (which can happen sometimes on some versions of OSX). Fixes
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bug 21074; bugfix on 0.0.9pre5.
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@ -1,4 +0,0 @@
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o Documentation:
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- Document that operators who run more than one relay or bridge are
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expected to set MyFamily and ContactInfo correctly. Closes ticket
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24526.
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@ -1,6 +0,0 @@
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o Minor bugfixes (build, compatibility, rust, OSX):
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- When building with Rust on OSX, link against libresolv, to
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work around the issue at
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https://github.com/rust-lang/rust/issues/46797. Fixes bug
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24652; bugfix on 0.3.1.1-alpha.
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@ -1,4 +0,0 @@
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o Minor bugfixes (scheduler, KIST):
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- Avoid adding the same channel twice in the KIST scheduler pending list
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wasting CPU cycles at handling the same channel twice. Fixes bug 24700;
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bugfix on 0.3.2.1-alpha.
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@ -1,4 +0,0 @@
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o Minor bugfixes (performance, fragile-hardening):
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- Improve the performance of our consensus-diff application code when Tor
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is built with the --enable-fragile-hardening option set. Fixes bug
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24826; bugfix on 0.3.1.1-alpha.
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@ -1,4 +0,0 @@
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o Minor bugfixes (logging):
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- Don't treat inability to store a cached consensus object as a
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bug: it can happen normally when we are out of disk space.
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Fixes bug 24859; bugfix on 0.3.1.1-alpha.
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@ -1,5 +0,0 @@
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o Major bugfixes (v3 onion services):
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- New-style (v3) onion services now obey the "max rendezvous circuit
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attempts" logic. Previously they would make as many rendezvous
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circuit attempts as they could fit in the MAX_REND_TIMEOUT second
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window before giving up. Fixes bug 24894; bugfix on 0.3.2.1-alpha.
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@ -1,8 +0,0 @@
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o Major bugfixes (onion services):
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- Fix an "off by 2" error in counting rendezvous failures on the onion
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service side. While we thought we would stop the rendezvous attempt
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after one failed circuit, we were actually making three circuit attempts
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before giving up. Now switch to a default of 2, and allow the consensus
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parameter "hs_service_max_rdv_failures" to override. Fixes bug 24895;
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bugfix on 0.0.6.
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@ -1,8 +0,0 @@
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o Major bugfixes (relays):
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- Fix a set of false positives where relays would consider connections
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to other relays as being client-only connections (and thus e.g.
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deserving different link padding schemes) if those relays fell out
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of the consensus briefly. Now we look only at the initial handshake
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and whether the connection authenticated as a relay. Fixes bug
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24898; bugfix on 0.3.1.1-alpha.
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@ -1,5 +0,0 @@
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o Minor bugfix (channel connection):
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- The accurate address of a connection is real_addr, not the addr member.
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TLS Channel remote address is now real_addr content instead of addr
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member. Fixes bug 24952; bugfix on 707c1e2e26 in 0.2.4.11-alpha.
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Patch by "ffmancera".
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@ -1,4 +0,0 @@
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o Minor features (logging, diagnostic):
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- When logging a failure to check a hidden service's certificate,
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also log what the problem with the certificate was. Diagnostic
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for ticket 24972.
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@ -1,6 +0,0 @@
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o Major bugfixes (scheduler, consensus):
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- A logic in the code was preventing the scheduler subystem to properly
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make a decision based on the latest consensus when it arrives. This lead
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to the scheduler failing to notice any consensus parameters that might
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have changed between consensuses. Fixes bug 24975; bugfix on
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0.3.2.1-alpha.
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@ -1,5 +0,0 @@
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o Minor bugfixes (hidden service v3 client):
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- Remove a BUG() statement which can be triggered in normal circumstances
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where a client fetches a descriptor that has a lower revision counter
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than the one in its cache. This can happen due to HSDir desync. Fixes
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bug 24976; bugfix on 0.3.2.1-alpha.
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@ -1,7 +0,0 @@
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o Minor features (compatibility, OpenSSL):
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- Tor will now support TLS1.3 once OpenSSL 1.1.1 is released.
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Previous versions of Tor would not have worked with OpenSSL
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1.1.1, since they neither disabled TLS 1.3 nor enabled any of the
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ciphersuites it requires. Here we enable the TLS 1.3 ciphersuites.
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Closes ticket 24978.
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@ -1,4 +0,0 @@
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o Minor bugfixes (unit tests):
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- Fix a memory leak in the scheduler/loop_kist unit test. Fixes bug
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25005; bugfix on 0.3.2.7-rc.
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@ -1,3 +0,0 @@
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o Major bugfixes (protocol versions):
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- Add Link protocol version 5 to the supported protocols list.
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Fixes bug 25070; bugfix on 0.3.1.1-alpha.
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@ -1,5 +0,0 @@
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o Minor bugfixes (v3 onion services):
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- Look at the "HSRend" protocol version, not the "HSDir" protocol
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version, when deciding whether a consensus entry can support
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the v3 onion service protocol as a rendezvous point.
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Fixes bug 25105; bugfix on 0.3.2.1-alpha.
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@ -1,4 +0,0 @@
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o Minor bugfixes (DoS mitigation):
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- Make sure we don't modify consensus parameters if we aren't a public
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relay when a new consensus arrives. Fixes bug 25223; bugfix on
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0.3.3.2-alpha.
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@ -1,4 +0,0 @@
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o Minor features (geoip):
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- Update geoip and geoip6 to the February 7 2018 Maxmind GeoLite2
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Country database.
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@ -1,13 +0,0 @@
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o Major features (denial of service mitigation):
|
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- Give relays some defenses against the recent network overload. We start
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with three defenses (default parameters in parentheses). First: if a
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single client address makes too many concurrent connections (>100), hang
|
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up on further connections. Second: if a single client address makes
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circuits too quickly (more than 3 per second, with an allowed burst of
|
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90) while also having too many connections open (3), refuse new create
|
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cells for the next while (1-2 hours). Third: if a client asks to
|
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establish a rendezvous point to you directly, ignore the request. These
|
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defenses can be manually controlled by new torrc options, but relays
|
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will also take guidance from consensus parameters, so there's no need to
|
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configure anything manually. Implements ticket 24902.
|
||||
|
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@ -1,4 +0,0 @@
|
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o Minor feature (geoip cache):
|
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- Make our OOM handler aware of the geoip client history cache so it
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doesn't fill up the memory which is especially important for IPv6 and
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our DoS mitigation subsystem. Closes ticket 25122.
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@ -1,5 +0,0 @@
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o Minor bugfix (directory authority, documentation):
|
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- When a fingerprint or network address is marked as rejected, the
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returned message by the authority now explicitly mention to set a valid
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ContactInfo address and contact the bad-relays@ mailing list. Fixes bug
|
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25170; bugfix on 0.2.9.1.
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@ -1,4 +0,0 @@
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o Minor bugfixes (DoS mitigation):
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- Add extra safety checks when refilling the circuit creation bucket to
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ensure we never set a value that is above the allowed burst. Fixes
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bug 25202; bugfix on 0.3.3.2-alpha.
|
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@ -1,4 +0,0 @@
|
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o Code simplification and refactoring:
|
||||
- Update the "rust dependencies" submodule to be an project-level
|
||||
repository, rather than a user repository. Closes ticket 25323.
|
||||
|
||||
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