In-Depth Evaluation of the Impact of National-Level DNS Filtering on DNS Resolvers over Space and Time

DNS filtering is the practice of blocking access to certain sites for a specific purpose, often content-based filtering. Unlike previous studies that focused on the behavior of national-level DNS filtering itself (e.g., location of filtering devices), we demonstrate and evaluate in depth the impact...

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Bibliographic Details
Main Authors: Yanan Cheng, Yali Liu, Chao Li, Zhaoxin Zhang, Ning Li, Yuejin Du
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/11/8/1276