How can I enable/disable DNSCrypt on OS X via command line?

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don_f

December 24, 2013 16:04

Is there a command line equivalent to the "Enable DNSCrypt" MenuBar item? I see a plethora of shell scripts in /Library/PreferencePanes/DNSCrypt.prefPane/Contents/Resources/usr/scripts, but don't know which I'd call and with what arguments (and whether or not the script needs to run as root).

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  don_f December 24, 2013 16:09

  nm. I just figured it out. There's a launched plist that runs handle-control-change.sh when /Library/Application\ Support/DNSCrypt/control is altered. Removing /Library/Application\ Support/DNSCrypt/control/dnscrypt disables DNSCrypt, and touching the same enables it.

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  Frank Denis December 26, 2013 10:41

  If you know how to use the command line, you probably don't need the the user interface at all. Uninstall everything and just install the proxy.

  You can use a simple plist file like this one: https://github.com/jedisct1/dnscrypt-proxy/blob/master/org.dnscrypt.osx.DNSCryptProxy.plist to directly start/stop dnscrypt with launchd.

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  nlucchesi June 27, 2016 20:06

  I'd like to write a simple script to disable/re-enable DNSCrypt when using Tunnelblick to establish a VPN using OpenVPN.  The general idea is posted on the Tunnelblick forum:

  https://groups.google.com/forum/#!topic/tunnelblick-discuss/YPzMztVMtyY

  Can anyone post links to more complete documentation or examples?

  Thank you.

  - nello

   

   

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  mattwilson9090 June 27, 2016 23:13

  What you are describing does not sound specific to OpenDNS, but rather a direct interaction of DNSCrypt and VPN's in general. Besides, although OpenDNS had a hand in getting DNSCrypt going, it is not an OpenDNS property and they are not providing direct support for it.

  I suggest going to the DNSCrypt website https://www.dnscrypt.org/ or their support site https://github.com/jedisct1/dnscrypt-proxy/issues

   

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  nlucchesi June 27, 2016 23:37

  Okay, I posed the question on the support site:

  https://github.com/jedisct1/dnscrypt-proxy/issues/431

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  nlucchesi June 28, 2016 00:14

  It turns out that the scripts are trivial and already part of DNSCrypt for OSX:

  https://github.com/jedisct1/dnscrypt-proxy/issues/431

  /Library/Application Support/DNSCrypt/control/dnscrypt/switch-to-dnscrypt.sh
  /Library/Application Support/DNSCrypt/control/dnscrypt/ switch-to-dhcp.sh

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