| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method and apparatus for protecting an application layer in a computer network system, which accurately detects and prevents a Distributed Denial of Service (DDoS) attack that disturbs an application layer service such as a web service in the computer network system. <P>SOLUTION: The method and apparatus for protecting an application layer in a computer network system includes the steps of: creating a session between a client and a data providing server in response to a session connection request from the client, and detecting the client as an application layer attacking client when the client generates a session termination request before the data providing server transmits to the client a response packet according to a data request from the client to the data providing server. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
