Network measurement methods for locating and examining censorship devices
Ram Sundara Raman, Mona Wang, Jakub Dalek, Jonathan R. Mayer, Roya Ensafi · 2022
Advances in networking and firewall technology have led to the emergence of network censorship devices that can perform large-scale, highly-performant content blocking. While such devices have proliferated, techniques to locate, identify, and understand them are still limited, require cumbersome manual effort, and are developed on a case-by-case basis.