| 摘要 |
A server controlling each computer is provided with means for distributing file patterns for identifying unauthorized communication programs. Said computer is provided with a filtering module for performing monitoring and regulation processing on communications originating from the computer. Said filtering module is provided with a database for storing the file patterns acquired from the server, means for monitoring the communications of a communication module started by the computer and detecting the occurrence of a communication start request to other computers, means for comparing the file pattern of the communication module to the file patterns within the database and inspecting whether or not the communication module is an unauthorized communication program, and means for regulating the communications of the communication module when the inspection means has judged it to be an unauthorized communication program.
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