Why: Setup DTLS failed; using SSL instead

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On Fri, Jul 27, 2018 at 11:20 AM, Ahmed Kamal
<email.ahmedkamal at googlemail.com> wrote:
>
> Thanks for the info. Really appreciating your help! I wish more and
> more privacy software, would focus a bit more on censorship
> resistance. Without it, users who most deeply need the privacy
> features, are not getting it. Although I understand the technical
> difficulties and appreciate all the hard-work the OC team is doing.

Glad to help.

Keep in mind that anti-circumvention is a tricky problem that can't be
solved in the application layer alone. We're talking about an
application (VPN) that really needs a datagram-based transport (UDP)
to work correctly, but we have a censor which is willing and able to:

- Inspect and modify packets at the network level (blocking by subnets and IPs)
- Inspect and modify datagrams and streams at the transport level (TCP
resets, UDP black holes)
- Use MITM attacks to downgrade crypto (various TLS attacks)

Unless/until encrypted datagram-based traffic becomes a large and
economically crucial part of Internet traffic (perhaps via WebRTC
calling?) national censors can and will just shut it down entirely.

Dan



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