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A comment on How Is Russia Blocking Calls on WhatsApp/Telegram/Face Time/Snapchat/?.

Re:How Is Russia Blocking Calls on WhatsApp/Telegram/Face Ti... by belter on Saturday December 27, 2025 @03:34PM (#46404993)
Its DPI mostly from this company: https://theins.ru/en/politics/265749
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Re:How Is Russia Blocking Calls on WhatsApp/Telegram/Face Ti... by wkat4242 on Saturday December 27, 2025 @04:14PM (#46405297)
It won't be the only solution that can do this by the way. Many airplane WiFi services block WhatsApp and telegram calls.

I think they just look at the traffic shape. Real-time traffic requires a lot of constant similar sized traffic per second, rather than texting or images which is much more bursty.

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Re:How Is Russia Blocking Calls on WhatsApp/Telegram/Face Ti... by urcite_ty_kokos on Saturday December 27, 2025 @04:12PM (#46405280)
Time to learn more on DPI, thanks.
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Re:How Is Russia Blocking Calls on WhatsApp/Telegram/Face Ti... by belter on Saturday December 27, 2025 @04:28PM (#46405411)
If you want to explore and make some tests of your own, nDPI is the most popular open-source DPI engine.

https://github.com/ntop/nDPI

https://youtu.be/NndEp7__Y1A

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