automated safe use of public Wi-Fi using networkmanager

I have Rebecca 17.1 x64 Cinnamon installed on my laptop. On occasion when I am traveling I need to use a public Wi-Fi hotspot such as attwifi at a restaurant. I of course have ufw enabled, but that will not stop someone from eavesdropping on any communications I have. I plan to add OpenVPN to the laptop to eliminate these issues, but this leaves a rather cumbersome procedure to follow to set things up and some of it may leave points of vulnerability.

1) The current wireless networking widget on the panel connects automatically to a recognized SSID. This includes public Wi-Fi hotspots such as attwifi. 2) Many of these public Wi-Fi hotspots, such as attwifi at McDonalds, require some interaction before the connection can be used 3) OpenVPN cannot be activated until a functional connection is established and must be active to secure communications

Ideally, I would like to have the entire process scripted. I would also like to see the wireless networking checking at the MAC address level as opposed to SSID. Networks with the same SSID, for example attwifi, may vary in their interaction to activate the connection by location. To minimize the risk of leaking data to eavesdroppers it would be great to block all outbound traffic except that needed to negotiate the active connection and the OpenVPN tunnel until it is successfully established.

It appears that I am using NetworkManager, as that is what is part of my distro. This lead me to post this query to the mailing list. Has anyone already developed such a script?


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