Posted to myself instead of you William. Thanks for your input I will look further into it. As I said I'm not a programmer and was hoping that there was already an application out there that could be modded to suit. Further invetigation required.
Ian On Thursday, 20 April 2017 10:14:16 UTC+10, William Hermans wrote: > > There is another way to go about this bit is slightly more complex, and > would require an additional "server" somewhere. This server could be > another embedded Linux system if you so wished. Such as a beaglebone. > > But basically how this works if you have an MQTT broker running locally, > with the MQTT subscriber( the remote beaglebone ) out in the wild > somewhere. The MQTT protocol while technically not very secure. Can be made > very secure if some serious thought is put into how you architect your > complete system. MQTT works by using a publish, and subscribe model. So one > can pretty much bullet proof how a publisher, and subscriber interact with > one another. > > E.G. The Broker acts as a Publisher and Subscriber as well as does the > remote system. So the local, and remote system each have their respective > Published, and subscribed values. Which makes it very hard for "The man in > the middle" attacks, and probably impossible for input injection. > > Here's a pretty good hackaday article on MQTT: > http://hackaday.com/2016/05/09/minimal-mqtt-building-a-broker/ > > So this is actually a part of a set of articles by the same person I > believe. But this first article gives a pretty good overview of MQTT, and > the utilities available to Linux( debian ). Technically, you could even > write a set of shell scripts to accomplish what you want. But personally > I'd probably rather at least wrap these utilities from within another high > level language. Maybe even just use their API, and write my own code in C . > . . YMMV. > > After saying all of the above however. You'd probably want to completely > lock your remote and lcoal system down completely, and avoid using wireless > or bluetooth on either end. To be the most secure. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/41c57feb-b478-48ec-be95-af6c42a77e0e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
