Ask HN: Wouldn't it be trivial for ISP to determine site via traffic patterns?

Posted by ralusek on Thursday October 06, 2022 @02:15AM
from the ask-hn dept.

Even if you're using a VPN, shouldn't an ISP have access to more than enough data to determine that X packets of roughly Y size, sent with roughly Z timing is 99% likely to be S service? They have the training data...Am I fundamentally misunderstanding some part of how ISPs work?

( 3 comments | 4 points | on HN )

Re:Ask HN: Wouldn't it be trivial for ISP to determine site ... by Scottsa on Thursday October 06, 2022 @07:22AM (#33106872)

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Re:Ask HN: Wouldn't it be trivial for ISP to determine site ... by stop50 on Thursday October 06, 2022 @02:23AM (#33105032)

the MTU (maximum transmission unit) is usually 1500 byte. most pages have more content. The only thing they can distinguish is videos, because video needs a kot of bandwith over an stable connection.

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Re:Ask HN: Wouldn't it be trivial for ISP to determine site ... by sanroot99 on Thursday October 06, 2022 @02:54AM (#33105247)

That's what deep packet inspection do ,but i think it gets expensive

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