Title:
DEVICE AND METHOD FOR PREVENTING DENIAL OF SERVICE ATTACK
Document Type and Number:
Japanese Patent JP2001159984
Kind Code:
A
Abstract:
To provide a device and a method for destroying thread.
In a first aspect of this invention, the frames of a thread stack associated with a code acting wrongfully is popped from the thread stack. Execution of a trusted code is allowed to an exception handling code by popping a trusted code frame via an exception processing, but execution of an exception handling code is not allowed to a non-trusted code. In a second aspect of this invention, frames are popped from all the thread stacks of all the threads associated with the misbehaving code. The thread is generally deemed to be associated with the misbehaving code when the threads share a same object or the same resources as the thread associated with the misbehaving code.
More Like This:
Inventors:
FOOTE WILLIAM F
Application Number:
JP2000273599A
Publication Date:
June 12, 2001
Filing Date:
September 08, 2000
Export Citation:
Assignee:
SUN MICROSYSTEMS INC
International Classes:
G06F9/46; G06F9/48; G06F21/53; G06F21/56; (IPC1-7): G06F11/00; G06F9/46
Attorney, Agent or Firm:
Takao Igarashi (2 outside)
Previous Patent: SCHEDULING METHOD OF COMMON SUBEXPRESSION RECOGNITION TYPE INSTRUCTION
Next Patent: DUPLEX DEVICE
Next Patent: DUPLEX DEVICE