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OpenVPN is Open to VPN Fingerprinting
March 8, 2024, 5:11 a.m. | Diwen Xue, Reethika Ramesh, Arham Jain, Michalis Kallitsis, J. Alex Halderman, Jedidiah R. Crandall, Roya Ensafi
cs.CR updates on arXiv.org arxiv.org
Abstract: VPN adoption has seen steady growth over the past decade due to increased public awareness of privacy and surveillance threats. In response, certain governments are attempting to restrict VPN access by identifying connections using "dual use" DPI technology. To investigate the potential for VPN blocking, we develop mechanisms for accurately fingerprinting connections using OpenVPN, the most popular protocol for commercial VPN services. We identify three fingerprints based on protocol features such as byte pattern, packet …
access adoption arxiv awareness blocking connections cs.cr dpi fingerprinting growth openvpn privacy public response surveillance technology threats vpn vpn access
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