@inproceedings {257160, author = {Qing Huang and Deliang Chang and Zhou Li}, title = {A Comprehensive Study of {DNS-over-HTTPS} Downgrade Attack}, booktitle = {10th USENIX Workshop on Free and Open Communications on the Internet (FOCI 20)}, year = {2020}, url = {https://www.usenix.org/conference/foci20/presentation/huang}, publisher = {USENIX Association}, month = aug }