On Mon, 10 Feb 2014 16:04:56 +0000 George Kadianakis desnacked@riseup.net wrote:
Greetings,
a few days ago we integrated ScrambleSuit to obfsproxy. ScrambleSuit is a pluggable transport by Philipp Winter; you can find more about it at: http://www.cs.kau.se/philwint/scramblesuit/
If you are running a bridge, please consider upgrading your obfsproxy to the latest version (0.2.6) by using pip or fetching the latest git master. Unfortunately, we don't have Linux packages yet, but we will hopefully have some soon. In the meanwhile, we would appreciate some testing :)
After you upgrade obfsproxy, please change your ServerTransportPlugin line from: ServerTransportPlugin obfs2,obfs3 exec /usr/bin/obfsproxy managed to: ServerTransportPlugin obfs3,scramblesuit exec /usr/bin/obfsproxy managed
This will disable obfs2 [0] and enable scramblesuit.
It's also important to know that scramblesuit is a password-based pluggable transport, which means that each scramblesuit bridge has a password and if the user doesn't know the password he/she can't connect to the bridge. If you publishing your bridge to BridgeDB, Tor will automatically send the ScrambleSuit password to BridgeDB so that clients can get it. By default ScrambleSuit will generate a random password; if you want to specify your own password, you can use a torrc line like this: ServerTransportOptions scramblesuit password=LLDNOWV7I4P6RKFJMDEMIY2GNU2IQISA
By the way, expect not to see any scramblesuit users in the beginning. After a few people have set up scramblesuit bridges, we will roll out a Tor Browser Bundle with scramblesuit enabled.
Feel free to ask any questions you have!
Thanks!
PS: If you are running a bridge without any pluggable transports, please consider installing obfsproxy [1]. Normal bridges are not hard to block these days and we are working on increasing the number of obfuscated bridges out there.
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I installed obfsproxy through pip. Running Tor 0.2.5.1, I'm seeing this message:
[warn] Managed proxy at '/usr/local/bin/obfsproxy' failed the configuration protocol and will be destroyed.
That doesn't sound too great. What does this message mean?