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Firewall Based Scheme to Prevent GPRS Overbilling

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2 Author(s)
Yuli Fu ; Sch. of Electron. & Inf. Eng., South China Univ. of Technol., Guangzhou ; Xiaohong Wang

The lack of inherent security in the GPRS tunneling protocol (GTP) leaves security vulnerabilities in GPRS networks. A novel scheme to defend the network against overbilling is proposed. The scheme only requires a dynamic memory in a GTP firewall to store some information flow such as tunnel ID. It needs not work jointly with an extra firewall at the Gi port as in some existing solutions.

Published in:

Computing, Communication, Control, and Management, 2008. CCCM '08. ISECS International Colloquium on  (Volume:2 )

Date of Conference:

3-4 Aug. 2008