Electrical computers and digital processing systems: support – System access control based on user identification by...
Reexamination Certificate
2004-07-26
2008-11-25
Peeso, Thomas R (Department: 2132)
Electrical computers and digital processing systems: support
System access control based on user identification by...
C713S155000, C713S161000
Reexamination Certificate
active
07457965
ABSTRACT:
This invention is to minimize influence to other network by preventing unauthorized accesses such as DDoS attacks and probing by worms. When the blocking apparatuses10aand10bdetect outbound packets by the DDoS attacks or by the probing by the worm, they carry out the Egress filtering for such outbound packets to prevent the packets relating to the unauthorized access from being sent to the backbone network1000. Moreover, because a notice to the effect that the unauthorized access is detected is sent to other blocking apparatuses10cand10dvia the management apparatus16, for example, the blocking apparatuses10cand10dprecautionarily carry out the Ingress filtering to prevent the packets relating to the unauthorized access from being sent to the network C and D.
REFERENCES:
patent: 2003-283554 (2003-10-01), None
patent: 2003-289337 (2003-10-01), None
Habu Takuya
Koyano Osamu
Morita Mayuko
Tamura Naohiro
Fujitsu Limited
Greer Burns & Crain Ltd.
Peeso Thomas R
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