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I have a executable .jar file which I want to execute. It needs internet access, but it seems like it is the only program wich is not able to access the internet. I use the standard configuration for the JRE which comes preinstalled on tails (openjdk-7-jre). I suppose this is a problem with the JRE configuration but I was not able to find a way to change it in a way that would make it work. Do you have any idea what I can do?

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  • Have you tried just wrapping it in torsocks? It can cause problems with some applications but it may serve your purposes.
    – cacahuatl
    Jan 12, 2017 at 22:24

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First of all, try Oracle JDK/JRE - OpenJDK causes such a weird problems sometimes even nowdays. Second - try to use Tor as a proxy, set these properties:

  • java.net.useSystemProxies=true
  • http.proxyHost=proxy-ip
  • http.proxyPort=proxy-port
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  • Where do I set these props? In the jcontrol file? Jan 12, 2017 at 20:52
  • or in the command line switches
    – Alexey Vesnin
    Jan 12, 2017 at 20:58
  • it says "unrecognised option: java.net.useSystemProxies=true". Same with the other 2 properties Jan 12, 2017 at 21:42
  • you have to use -Dproperty=value , see the official docs for details, it's here
    – Alexey Vesnin
    Jan 12, 2017 at 21:43
  • ok the properties are set now, thanks. Still it doesnt work. I am probably using the wrong ip and port. I'll try it again tomorrow Jan 12, 2017 at 22:04

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