this post was submitted on 06 Oct 2024
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What is he talking about, public WiFi can easily poison and monitor your DNS requests (most people don't know or use encrypted DNS), and there's still tons of non-https traffic leaks all over the place that are plain text. Even if encrypted, there's still deep packet inspection. VPNs can mitigate DPI techniques and shift the trust from an easily snoopable public WiFi to the VPN's more trustworthy exit servers.
This guy really needs to elaborate on what he's trying to say when the cyber security field very much disagrees with this stance. I'm not a huge fan of Proton, but they aren't doing anything wrong here. You should use it for public Wi-Fi.
Dpi only works if they install a cert on your phone. Else they can't crack it (in real time) or you would receive HTTPS errors
You dont need to examine the contents of http traffic to do what many services call DPI.
you can still read unencrypted traffic, like most DNS. Or even without that, you can frequently tell from the endpoint IP who someone is talking to, and what types of applications from port numbers used. Etc.
If you're torrenting, for example, that's pretty easy to see.
Still not DPI. Regardless of what other manufacturers or devs call it.
At best it's a network monitor. Literally pihole can give you most of those stats as well.