
BlindBox: Deep Packet Inspection over Encrypted Traffic
Many network middleboxes perform Deep Packet Inspection (DPI), a set of useful tasks which examine packet payloads. These tasks include Intrusion Detection System (IDS), exfiltration detection and parental filtering. However, a long-standing issue is that once packets are sent over HTTPS, middleboxes can no longer accomplish their tasks because the payloads are encrypted. Hence, one ...