@ARTICLE{11735245, author={Zhou, Chenxin and Huang, Cheng and Zhang, Qiang and Xie, Qiliang and Li, Zeqing}, journal={IEEE Transactions on Network and Service Management}, title={NestTor: Detecting Tor-Over-Proxy Traffic With Factorized Decisions}, year={2026}, volume={23}, number={}, pages={8424-8438}, keywords={Fluid flow;Labeling;Protocols;Modeling;Signal detection;Payloads;Trojan horses;Training;Detectors;Calibration;Tor;proxy servers;encrypted traffic analysis;traffic classification;distribution shift}, doi={10.1109/TNSM.2026.3743261}}