Patents by Inventor Yanchang Shen

Yanchang Shen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and Apparatus for Preventing Spoofed Packet Attacks
    Publication number: 20100313265
    Abstract: The present invention discloses a method to prevent spoofed packet attacks, wherein, a DHCPv6 relay agent device forwards address assignment packets between a DHCPv6 client and a DHCPv6 server in stateful configuration mode, establishes and maintains a client information table according to the client information in the address assignment packets, and filters neighbour discovery (ND) packets sent from clients according to the client information table. The present invention also discloses a DHCPv6 relay agent device. The technical proposal of the invention can protect the DHCPv6 relay agent device against spoofed ND packet attacks.
    Type: Application
    Filed: April 22, 2010
    Publication date: December 9, 2010
    Applicant: Hangzhou H3C Technologies Co., Ltd.
    Inventors: Tao Lin, Yanchang Shen