[jdiez17]

+1 to sshuttle. I use it with iodine[1] to bypass captive portals.

[1] http://code.kryo.se/iodine/iodine_manpage.html

[semi-extrinsic]

Tunnelling IPv4 through DNS requests is brilliant. iodine is going in my toolbox, thanks. Just to be clear: you need to have an iodine server running somewhere, looking like a DNS server but acting as the equivalent of a vpn server, right?