SICS: Secure and dynamic middlebox outsourcing

Outsourcing middleboxes brings threats to the enterprise's private information including the trafflc and rules of middleboxes. We present a secure and dynamic middlebox outsourcing framework SICS, short for Secure In-Cloud Service. SICS encrypts each packet header and uses a label for in-cloud rule matching, which enables the cloud to perform its functionalities correctly with minimum header information leakage.