COMMUNICATION MANAGEMENT DEVICE, COMMUNICATION MANAGEMENT METHOD AND COMMUNICATION MANAGEMENT PROGRAM FOR NETWORK

PROBLEM TO BE SOLVED: To provide a communication management device for network capable of preventing a damage from spreading such as leak or tampering of information on email when accessed by a person other than the intended recipient.SOLUTION: If a personal computer device 50 has made an unauthoriz...

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Bibliographic Details
Main Author TANIMURA SATOSHI
Format Patent
LanguageEnglish
Published 04.11.2011
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide a communication management device for network capable of preventing a damage from spreading such as leak or tampering of information on email when accessed by a person other than the intended recipient.SOLUTION: If a personal computer device 50 has made an unauthorized access to a mail server computer device 60, a communication management device 10 identifies the personal computer device 50 which performed the unauthorized access and the mail server computer device 60 to which the communication was made based on communication record of a security monitoring device 30, and also identifies a port 41 of a network switching device 40 connected with the mail server computer device 60 to which the unauthorized access was made. The communication management device 10 then blocks connection and communication between the mail server computer device 60 and a TCP/IP network 20 by disabling the identified port 41.
Bibliography:Application Number: JP20100087819