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You can also set up fragile directional radio links pretty cheap with off the shelf devices from Ubiquiti. If set up carefully, they can be basically impossible

You can also set up fragile directional radio links pretty cheap with off the shelf devices from Ubiquiti. If set up carefully, they can be basically impossible to follow if they are not aligned when they are observed by the adversary; and at least a little difficult even when they are. You can also use a tamper detecting opaque enclosure to (visually) hide the orientation. We are in the middle of a golden age for surveillance, and a golden age for the avoidance of surveillance.

zdkl 9y ago
Got a link to the hardware and a project like that?
- microcolonel 9y ago
  > the hardware A couple of these products function on unlicensed bands, which is what you'd need. The latency is very low and close to constant regardless of the length of the haul, which means that it could be difficult to tell that your packets even originated from a location other than your exit. https://www.ubnt.com/products/#airfiber https://www.ubnt.com/products/#airfiber > a project Not sure if anyone has documented doing this, seems like it would defeat the purpose for anyone with a practical need for it. Maybe I'll need to be the one to show it. The hard part is probably tamper alarming the enclosure, the rest is just standard setup for the equipment and maybe some site security concerns. For example, considering what to do when the station goes down, since coming to fix it would be a good way to be discovered if your adversary is monitoring it.
  - zdkl 9y ago
    > Not sure if anyone has documented doing this, seems like it would defeat the purpose for anyone with a practical need for it. Indeed! I was hoping for a collection of methods, maybe some form of best practices regarding anti-tampering. Thanks for the links to the APs, fun rabbithole to fall down in.
- mirimir 9y ago
  Get some Ubiquiti Bullet M[0] and parabolic dishes[1]. The Bullet comes with decent software. Setting up linked networks is pretty trivial. 0) https://dl.ubnt.com/datasheets/bulletm/bm_ds_web.pdf https://dl.ubnt.com/datasheets/bulletm/bm_ds_web.pdf 1) https://www.amazon.com/Antenna-World-G2424-Directional-Parabolic/dp/B00NQGVMSE https://www.amazon.com/Antenna-World-G2424-Directional-Parab...
mirimir 9y ago
Yes, Ubiquiti rules! You can get 25 km links with equipment cost under $500, including dishes and towers.

zdkl 9y ago

Got a link to the hardware and a project like that?

microcolonel 9y ago
> the hardware A couple of these products function on unlicensed bands, which is what you'd need. The latency is very low and close to constant regardless of the length of the haul, which means that it could be difficult to tell that your packets even originated from a location other than your exit. https://www.ubnt.com/products/#airfiber https://www.ubnt.com/products/#airfiber > a project Not sure if anyone has documented doing this, seems like it would defeat the purpose for anyone with a practical need for it. Maybe I'll need to be the one to show it. The hard part is probably tamper alarming the enclosure, the rest is just standard setup for the equipment and maybe some site security concerns. For example, considering what to do when the station goes down, since coming to fix it would be a good way to be discovered if your adversary is monitoring it.
- zdkl 9y ago
  > Not sure if anyone has documented doing this, seems like it would defeat the purpose for anyone with a practical need for it. Indeed! I was hoping for a collection of methods, maybe some form of best practices regarding anti-tampering. Thanks for the links to the APs, fun rabbithole to fall down in.
mirimir 9y ago
Get some Ubiquiti Bullet M[0] and parabolic dishes[1]. The Bullet comes with decent software. Setting up linked networks is pretty trivial. 0) https://dl.ubnt.com/datasheets/bulletm/bm_ds_web.pdf https://dl.ubnt.com/datasheets/bulletm/bm_ds_web.pdf 1) https://www.amazon.com/Antenna-World-G2424-Directional-Parabolic/dp/B00NQGVMSE https://www.amazon.com/Antenna-World-G2424-Directional-Parab...

mirimir 9y ago

Yes, Ubiquiti rules! You can get 25 km links with equipment cost under $500, including dishes and towers.