Iran's Stealth Internet Blackout: A New Model of Censorship

Fuente: arXiv
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Main Author: Aryapour, Arash
Format: Preprint
Published: 2025
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author Aryapour, Arash
author_facet Aryapour, Arash
contents In mid-2025, Iran experienced a novel, stealthy Internet shutdown that preserved global routing presence while isolating domestic users through deep packet inspection, aggressive throttling, and selective protocol blocking. This paper analyzes active network measurements such as DNS poisoning, HTTP injection, TLS interception, and protocol whitelisting, traced to a centralized border gateway. We quantify an approximate 707 percent rise in VPN demand and describe the multi-layered censorship infrastructure, highlighting implications for circumvention and digital rights monitoring.
format Preprint
id arxiv_https___arxiv_org_abs_2507_14183
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Iran's Stealth Internet Blackout: A New Model of Censorship
Aryapour, Arash
Networking and Internet Architecture
In mid-2025, Iran experienced a novel, stealthy Internet shutdown that preserved global routing presence while isolating domestic users through deep packet inspection, aggressive throttling, and selective protocol blocking. This paper analyzes active network measurements such as DNS poisoning, HTTP injection, TLS interception, and protocol whitelisting, traced to a centralized border gateway. We quantify an approximate 707 percent rise in VPN demand and describe the multi-layered censorship infrastructure, highlighting implications for circumvention and digital rights monitoring.
title Iran's Stealth Internet Blackout: A New Model of Censorship
topic Networking and Internet Architecture
url https://arxiv.org/abs/2507.14183