Tor 0.2.2.13-alpha is out
arma at mit.edu
Wed Apr 28 19:13:19 UTC 2010
Tor 0.2.2.13-alpha addresses the recent connection and memory overload
problems we've been seeing on relays, especially relays with their DirPort
open. If your relay has been crashing, or you turned it off because it
used too many resources, give this release a try.
Changes in version 0.2.2.13-alpha - 2010-04-24
o Major bugfixes:
- Teach relays to defend themselves from connection overload. Relays
now close idle circuits early if it looks like they were intended
for directory fetches. Relays are also more aggressive about closing
TLS connections that have no circuits on them. Such circuits are
unlikely to be re-used, and tens of thousands of them were piling
up at the fast relays, causing the relays to run out of sockets
and memory. Bugfix on 0.2.0.22-rc (where clients started tunneling
their directory fetches over TLS).
o Minor features:
- Finally get rid of the deprecated and now harmful notion of "clique
mode", where directory authorities maintain TLS connections to
every other relay.
- Directory authorities now do an immediate reachability check as soon
as they hear about a new relay. This change should slightly reduce
the time between setting up a relay and getting listed as running
in the consensus. It should also improve the time between setting
up a bridge and seeing use by bridge users.
- Directory authorities no longer launch a TLS connection to every
relay as they startup. Now that we have 2k+ descriptors cached,
the resulting network hiccup is becoming a burden. Besides,
authorities already avoid voting about Running for the first half
hour of their uptime.
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