Information security – Access control or authentication – Network
Reexamination Certificate
2011-03-08
2011-03-08
Chen, Shin-Hon (Department: 2431)
Information security
Access control or authentication
Network
C726S004000, C726S011000, C726S022000, C709S223000
Reexamination Certificate
active
07904954
ABSTRACT:
The present invention provides a method, a device and a system for controlling VoIP border security. The system includes: a border security controller, which includes two dynamic information tables, an active session information table and a registered user information table, acting as the basis of security control; and a security policy server, in communication with the border security controller, adapted to provide a security policy to the border security controller and check the security of a signaling packet forwarded by the border security controller. The border security control system first checks the security and processes the packets of a user datagram received according to the active session information table and the registered user information table, and allows a packet which passed the security processing to pass, and then performs protocol processing on the media packet and signaling packet which are allowed to pass.
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Liu Lifeng
Zheng Zhibin
Chen Shin-Hon
Huawei Technologies Co. Ltd.
Slater & Matsil L.L.P.
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