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Re: [tor-bugs] #25600 [Obfuscation/Snowflake]: Running 2 instances of snowflake-client leads to the former one stopping



#25600: Running 2 instances of snowflake-client leads to the former one stopping
-----------------------------------+---------------------------
 Reporter:  cypherpunks            |          Owner:  (none)
     Type:  defect                 |         Status:  closed
 Priority:  Medium                 |      Milestone:
Component:  Obfuscation/Snowflake  |        Version:
 Severity:  Normal                 |     Resolution:  not a bug
 Keywords:                         |  Actual Points:
Parent ID:                         |         Points:
 Reviewer:                         |        Sponsor:
-----------------------------------+---------------------------
Changes (by cypherpunks):

 * status:  new => closed
 * resolution:   => not a bug


Comment:

 Replying to [comment:2 dcf]:
 > Thanks for this.
 >
 > I tried it, but I wasn't able to reproduce it. On Debian, I used a
 browser from https://people.torproject.org/~dcf/pt-
 bundle/snowflake/20180321-8.0a4-4a5889af2891/ and a command line
 snowflake-client from [https://gitweb.torproject.org/pluggable-
 transports/snowflake.git/log/?id=07291a0136b8a01bd8761a14a51876f08ca0d578
 07291a0136].
 >  1. Started a download of
 https://mirrors.edge.kernel.org/centos/7.4.1708/isos/x86_64/CentOS-7-x86_64-Everything-1708.iso.
 Was getting about 400 KB/s.
 >  2. In the snowflake/client directory, ran `tor -f torrc SOCKSPort
 10000`. It finished bootstrapping and the Browser download was still
 running.
 >  3. Download through the command-line client: `curl -O --proxy
 socks5h://127.0.0.1:10000/
 https://mirrors.edge.kernel.org/centos/7.4.1708/isos/x86_64/CentOS-7-x86_64-Everything-1708.iso`.
 I was getting about 500 KB/s on this download and the browser was still
 about 400 KB/s.
 >
 > Maybe it was a coincidence that one of the clients died when the other
 one started? I'm currently testing some proxy changes from
 comment:63:ticket:21312, and it seems there is still a problem with
 proxies hanging up occasionally. Does it happen for you repeatedly?

 Interesting, I had actually repeated the steps twice at different times (I
 left the download going for quiet some bit at one time, probably 7 min)
 and I always had the same result. I was experiencing repeated shortages
 but I thought that this may have been due to the other snowflake-client
 process that I had running. But the good news is that I can't reproduce it
 now which means you're right :)

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25600#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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