Cryptocurrency Q&A
How do phone companies detect tethering?
How do phone companies detect tethering?
Carlo
Mon Jan 20 2025
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5
answers
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I want to know how phone companies are able to detect tethering, that is, when a mobile device is being used as a hotspot to share its internet connection with other devices.
5 answers
CryptoQueenBee
Wed Jan 22 2025
Another technique used by carriers is TCP/IP stack fingerprinting. This method involves analyzing the characteristics of the TCP/IP communication between devices to detect any anomalies that may indicate hotspot usage.
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Michele
Wed Jan 22 2025
Mobile carriers utilize specific techniques to detect the usage of "personal hotspot" functionality on devices.
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Elena
Wed Jan 22 2025
One of these methods is deep packet inspection (DPI). DPI involves examining the contents of network packets as they travel through the carrier's network.
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Margherita
Wed Jan 22 2025
By looking "inside" these packets, carriers can analyze the data being transmitted and identify patterns that suggest the use of a personal hotspot.
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KatanaGlory
Tue Jan 21 2025
Additionally, some devices, such as iPhones, may also provide information to carriers regarding hotspot usage. This can occur without the user's explicit knowledge or consent.
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