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@@ -1,3 +1,57 @@
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+Changes in version 0.2.4.17-rc - 2013-09-05
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+ Tor 0.2.4.17-rc is the third release candidate for the Tor 0.2.4.x
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+ series. It adds an emergency step to help us tolerate the massive
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+ influx of users: 0.2.4 clients using the new (faster and safer) "NTor"
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+ circuit-level handshakes now effectively jump the queue compared to
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+ the 0.2.3 clients using "TAP" handshakes. This release also fixes a
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+ big bug hindering bridge reachability tests.
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+
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+ o Major features:
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+ - Relays now process the new "NTor" circuit-level handshake requests
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+ with higher priority than the old "TAP" circuit-level handshake
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+ requests. We still process some TAP requests to not totally starve
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+ 0.2.3 clients when NTor becomes popular. A new consensus parameter
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+ "NumNTorsPerTAP" lets us tune the balance later if we need to.
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+ Implements ticket 9574.
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+
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+ o Major bugfixes:
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+ - If the circuit build timeout logic is disabled (via the consensus,
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+ or because we are an authority), then don't build testing circuits.
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+ Fixes bug 9657; bugfix on 0.2.2.14-alpha.
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+ - Bridges now send AUTH_CHALLENGE cells during their v3 handshakes;
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+ previously they did not, which prevented them from receiving
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+ successful connections from relays for self-test or bandwidth
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+ testing. Also, when a relay is extending a circuit to a bridge,
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+ it needs to send a NETINFO cell, even when the bridge hasn't sent
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+ an AUTH_CHALLENGE cell. Fixes bug 9546; bugfix on 0.2.3.6-alpha.
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+ - If the time to download the next old-style networkstatus is in
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+ the future, do not decline to consider whether to download the
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+ next microdescriptor networkstatus. Fixes bug 9564; bugfix on
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+ 0.2.3.14-alpha.
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+
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+ o Minor bugfixes:
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+ - Avoid double-closing the listener socket in our socketpair()
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+ replacement (used on Windows) in the case where the addresses on
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+ our opened sockets don't match what we expected. Fixes bug 9400;
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+ bugfix on 0.0.2pre7. Found by Coverity.
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+
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+ o Minor fixes (config options):
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+ - Avoid overflows when the user sets MaxCircuitDirtiness to a
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+ ridiculously high value, by imposing a (ridiculously high) 30-day
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+ maximum on MaxCircuitDirtiness.
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+ - Fix the documentation of HeartbeatPeriod to say that the heartbeat
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+ message is logged at notice, not at info.
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+ - Warn and fail if a server is configured not to advertise any
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+ ORPorts at all. (We need *something* to put in our descriptor,
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+ or we just won't work.)
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+
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+ o Minor features:
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+ - Track how many "TAP" and "NTor" circuit handshake requests we get,
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+ and how many we complete, and log it every hour to help relay
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+ operators follow trends in network load. Addresses ticket 9658.
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+ - Update to the August 7 2013 Maxmind GeoLite Country database.
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+
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+
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Changes in version 0.2.4.16-rc - 2013-08-10
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Tor 0.2.4.16-rc is the second release candidate for the Tor 0.2.4.x
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series. It fixes several crash bugs in the 0.2.4 branch.
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Roger Dingledine