Viscosity 1.3.5 – Graphical user interface for OpenVPN.

Viscosity is an OpenVPN client for Mac, providing a rich Cocoa user interface for creating, editing, and controlling VPN connections. Viscosity provides a complete OpenVPN solution for Leopard (Mac OS X 10.5) and does not require any additional downloads or software.

With Viscosity and OpenVPN you can securely connect to your home or company network from a remote , protect your network traffic when using public or wireless networks, access websites with country restrictions, and tunnel through restrictive firewalls and proxy servers to give your computer full Internet access.

Viscosity can connect to any VPN server running OpenVPN, including most popular free and commercial VPN providers. Viscosity allows connections to be completely configured through a GUI, without any need to know how to use the command-line or OpenVPN’s configuration file syntax. Advanced users still have full manual control over configuration options if desired.

Features include:

  • Cocoa GUI
  • Connection and traffic statistics
  • Multiple simultaneous connections
  • Robust DNS Support
  • Keychain integration
  • System proxy integration
  • Deployment features designed for enterprise
  • Easy connection importing
  • Growl integration


Version 1.3.5:

  • It is now possible to move/rearrange multiple connections at once
  • Reachability checking is now more intelligent for established connections
  • Saved credentials are now associated with a connection, rather than a server address
  • Viscosity will now correctly detect when a private key/pkcs12 file password fails
  • Viscosity will now correctly delete a saved password when a private key/pkcs12 file password fails
  • Viscosity will now clear any saved credentials associated with a connection when deleting it
  • Viscosity can now run connect/disconnect scripts pushed by an OpenVPN-AS server
  • Ability to force bundled connection import behavior (ask/append/overwrite)
  • Dividing bundled connections into folders is now easier
  • Viscosity can now check whether certificates are expired (bundle/pre-configure setting)
  • Resolved issue where an error may appear waking from sleep under Mac OS 10.7
  • Resolved issue where Viscosity could stop responding under Mac OS 10.7
  • Resolved issue where Viscosity’s icon could be cropped under Mac OS 10.7’s full screen mode
  • Resolved issue where the traffic graph may be inaccurate when first displayed
  • Growl updated for 1.3 compatibility
  • French localization updated thanks to Philippe Vinot
  • German localization updated thanks to Dirk Dittert
  • Various bug fixes and enhancements

Please note that after applying this update you’ll need to re-enter any username and passwords you normally have saved (due to the changes to Viscosity’s Keychain system). If you have forgotten your login details you can still recover them using the Keychain Access application.It is strongly recommended you restart your computer after applying this update if are using version 1.2.3 or earlier.

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