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Yi Guo - IEEE Xplore Author Profile

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IPv6 covert channels have emerged as a novel type of network threat, which poses new challenges to network security. Multi-field covert channels make use of distributed embedding technology to scatter covert information across multiple packet fields. Existing deep learning-based methods for detecting IPv6 covert channels primarily focus on detecting of single-field covert channels, limiting their ...Show More
The IPv6 fragment headers are crucial for packet fragmentation but can be exploited to evade security systems, posing substantial threats. Despite RFC 7112 highlighting the implications of "IPv6 fragment evasion behavior", comprehensive evaluation is lacking, impeding assessment of compliance with standards. Concurrently, existing IPv6 fragment evasion behaviors have primarily focused on tiny/over...Show More
To quickly detect active IPv6 addresses of Apple nodes, an IPv6 address fast scanning technology based on service instance name association (named AScan6) is proposed. Firstly, AScan6 initiates the discovery of active IPv6 hosts by sending ICMPv6 packets with invalid extension headers. Subsequently, it leverages the DNS-SD protocol to obtain the service types of these hosts. Then, AScan6 queries s...Show More
Network scanning is essential to penetration testing, but the IPv6 network is difficult to scan because of the ample address space. For IPv6 networks managed using DHCPv6, detecting a precise range of DHCPv6 server assigned addresses helps narrow the scope of network scanning. For a DHCPv6 server that uses a continuous address allocation strategy, the boundary of this range is the first and last a...Show More
With the proposal of the major strategy of “network power” and the establishment of the first level discipline of “Cyberspace security”, the training of Cyberspace security talents in China has entered a period of strategic development. Firstly, this paper defines the concept of postgraduate education quality, and analyzes the characteristics of postgraduate education and its quality guarantee of ...Show More