Traffic classification acquired the interest of the Internet community early on. Different
approaches have been proposed to classify Internet traffic to manage both security and …

In order to protect user privacy or guarantee free access to the Internet, the network covert
channel has become a hot research topic. It refers to an information channel in which the …

We describe “domain fronting,” a versatile censorship circumvention technique that hides
the remote endpoint of a communication. Domain fronting works at the application layer …

One of the cornerstones in censorship circumvention is fully encrypted protocols, which
encrypt every byte of the payload in an attempt to “look like nothing”. In early November …

Through virtualization, single physical data planes can logically support multiple networking
contexts. We propose HyPer4 as a portable virtualization solution. HyPer4 provides a …

Generative Adversarial Networks (GANs) have been successfully used in a large number of
domains. This paper proposes the use of GANs for generating network traffic in order to …

TLS, the Transport Layer Security protocol, has quickly become the most popular protocol on
the Internet, already used to load over 70% of web pages in Mozilla Firefox. Due to its …

Recently, the operators of the national censorship infrastructure of China began to employ"
active probing" to detect and block the use of privacy tools. This probing works by passively …

Despite a long history of research and wide-spread applications to censorship resistant
systems, practical steganographic systems capable of embedding messages into realistic …

Censorship-circumvention systems are designed to help users bypass Internet censorship.
As more sophisticated deep-packet-inspection (DPI) mechanisms have been deployed by …