Re: [tor-relays] Obfs + Non-obfs bridges

2014-07-03 Thread George Kadianakis
Daniel Thill d...@acm.org writes:

 Can a single tor daemon instance provide both non-obfuscated and
 various other obfuscated transports? Right now, I have one instance
 that provides both obfs3 and scramblesuit.  E.g.,

 ServerTransportPlugin obfs3,scramblesuit exec /usr/local/bin/obfsproxy managed
 ServerTransportListenAddr obfs3 MYIP:PORT
 ServerTransportListenAddr scramblesuit MYIP:PORT2

 I currently have another tor instance that runs a vanilla bridge
 configuration (no transports) on a different port.  Is this really
 necessary?  I couldn't find any documentation that address this.  Can

It shouldn't be necessary.

Obfuscated bridges are vanilla bridges by default (they expose an
ORPort).

[ As a matter of fact, this is a problem since it means that bridges
are vulnerable to active probing by default. Please see this ticket
https://trac.torproject.org/projects/tor/ticket/7349 . Unfortunately,
this problem will likely not be fixed in the short-term future. ]

 non-transport clients use any bridge by simply not negotiating a
 transport?  There is a none pluggable transport type, but I figured
 that was for debugging purposes.

 Thanks,
 Dan

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[tor-relays] Obfs + Non-obfs bridges

2014-06-29 Thread Daniel Thill
Can a single tor daemon instance provide both non-obfuscated and various other 
obfuscated transports? Right now, I have one instance that provides both obfs3 
and scramblesuit.  E.g.,

ServerTransportPlugin obfs3,scramblesuit exec /usr/local/bin/obfsproxy managed
ServerTransportListenAddr obfs3 MYIP:PORT
ServerTransportListenAddr scramblesuit MYIP:PORT2

I currently have another tor instance that runs a vanilla bridge configuration 
(no transports) on a different port.  Is this really necessary?  I couldn't 
find any documentation that address this.   Can non-transport clients use any 
bridge by simply not negotiating a transport?  There is a none pluggable 
transport type, but I figured that was for debugging purposes.

Thanks,
Dan

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