Method, system and apparatus for defending network virus
A network virus, the only technology, applied in the field of communication, it can solve the problems such as the inability to update the signature database in time due to new attacks, and the inability of business to proceed normally, and achieve obvious effects.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0023] At present, virus attacks at the Windows system level mainly come from RPC port overflow initiated by the network layer. Embodiments of the present invention propose a method based on whitelist filtering of RPC services to protect the system from overflow and virus damage. The client sends a request message based on the remote procedure call protocol to the server, and the request message includes the client identifier; if it is determined that the saved legal identifier set contains the client identifier, the server allows the request message to pass. In the embodiment of the present invention, because only requests containing information in the white list are allowed to pass, when the system business can be carried out normally, protection against unknown viruses can also be realized.
[0024] As shown in Fig. 1(a) and Fig. 1(b), it is a schematic diagram of the system structure of the embodiment of the present invention, the system includes a client and a server, wher...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More 