According to my personal experience when I was in China I Using bvpn serviceis your only way Best VPN for China to Defeat The Great Firewall I managed to bypass the Great firewall effectively and within encrypted connection, i used the internet as I am outside the restricted web of China.
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Why not use Tor? Or is the software too hard to get hold of in china? If thatās the case, then the same will be true for the SAFE network.
I wonder if people could be hired to walk around cities with an anonymized phone hotspot on that could serve up the software? Is that technically feasible or would they be too easy to trace and arrest?
Its feasible.
Its easy to locate. You could locate the hotspot with a mobile phone that has WiFi, walk finding the boundaries where the signal drops out and the source is approx the centre and signal strength is like a āhotter / colderā game. Or the authorities could use a simple radio tracker.
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Tor canāt bypass the GFW. Even if itās a private node, the GFW will just probe it, and if it responds as it should, it knows itās Tor and blocks it. At least this was the state of affairs not long ago.
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Are you sure? I thought that using the OBFS4 pluggable transport with Tor was a effective means of thwarting the GFW. I suppose if you mean Tor alone that would be certainly be true.
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I think mobile hotspots have a small range, so theyād have to employ a lot of listeners wouldnāt they? As a former radio tech, I know that merely increasing the gain on a receiver would cause you a massive data dropout through noise, thus detecting what was being served up would become impossible. So I think theyād have to have a huge number of wifi listening posts everywhere ā¦ I suppose thatās not impossible - a bugged society ā¦ yet these bugs would either be wired or relayed wirelessly to move the info to centralized data analysis locations hence these would be physically locatable & hence insecure (attackable).
EDIT: Also, I think if people sharing info via hotspots are moving about - staying in one place for only 10-20minutes, thatās maybe not enough time for authorities to catch them.
Possibly using a throwaway anonymous phone one could just set them up to broadcast and just walk away.
One might employ bluetooth instead of wifi as well, which has a much shorter range. Say taping the phone to the bottom of a park or bus/train bench. Perhaps there are cheap bluetooth transmitters that could be built specifically for this purpose? Put a little solar cell on them and hide them on trees lol.
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I assume you mean streets of more populated areas, like say city streets
For your idea to be useful then there would need to be enough of these to reach people. In other words its not a case of one person walking the streets with a hot spot but a number to enable a reasonable chance for people to be able to download.
Also for people to download a file, they first must find out about it then decide then download, so then the people walking the streets have to stay n one place for the 10-20 minutes as you say. This means they cannot move too quickly.
So my thinking was not to find a particular hotspot offering the download, but any of them. Because of the need to move slowly (or stop for a small time at various points) the authorities only need to wait in areas frequented by these āhotspotsā, basically on any populated street. They could use a directional antenna (size of a typical wallet) with maybe 3 or 4 āpoliceā to pinpoint the āhotspotā
This is what I was thinking would be the solution to the person walking around.
Another system used by spies and the like is the USB stick left in discrete places and people walk past and pause at that spot and copy the files then leave the USB stick there. Outside coffee shops and the like. Magnetically held on the back of signs, etc.
Yea so true and I always thought of the person having to stay in one area for a few minutes to allow downloads. As an engineer who spent some time working with radio before modern WiFi existed. When I started commercial microwave was peaking around the 3-30GHz using specialised diodes (tunnel/esaki diodes) and to think phones are now doing 5GHz
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Looking through different posts and articles, it seems that OBFS3 and 4 and some other additions to Tor are still effective. Thatās good news, though I doubt it will forever.
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Itās an arms race for sure.
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Keep your posts English please. Thank you.
Sure. Thanks for reminding. 
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