ZeroMQ securely over the internet

Question

I've been working with zeroMQ a bit and I want to be able to connect securely over the Internet. I'm in ruby and could use SSL and/or some sort of shh connection but cannot find any examples of how to do this.

I found this old stackoverflow link, How does zeromq work together with SSL? saying they were working on some sort of security, but that was a year ago and I can't find any new references.

Even if this isn't built into zeroMQ, I would assume that there would be some way to set this up with OpenSSL or something similar.

Note: zeroMQ website mentions using VPN or something if you want secure transport. I do not want to use VPN. There must be a better way.

Answer 1

Similar to VPN, but much easier to setup:

• encrypted tunnel with socat

Let's make each zeromq side connected locally to socat, and two socats connect with each other using encrypted channel.

Some links: [1], [2], [3], [4].