Method and network element for providing secure access to a...

Details Method and network element for providing secure access to a... Method and network element for providing secure access to a...

2002-02-13

2009-08-11

Parthasarathy, Pramila (Department: 2436)

Information security

Access control or authentication

Network

C726S011000, C726S014000

Reexamination Certificate

active

07574735

ABSTRACT:
The present invention relates to a method and network element for providing secure access to a packet data network, wherein a first source information is derived from a message received from a terminal device (40, 60), and is compared with a second source information derived from a packet data unit used for conveying said message, or derived from a security association set up between the terminal device and the data network. A protection processing for protecting the packet data network from a fraudulent user attack is then initiated based on the comparing result. Thereby, a simple and efficient protection mechanism can be provided without sending any additional information or providing any additional fields in the message.

REFERENCES:
patent: 6621793 (2003-09-01), Widegren et al.
patent: 6996087 (2006-02-01), Ejzak
patent: 7002936 (2006-02-01), Agrawal et al.
patent: 2004/0252683 (2004-12-01), Kennedy et al.

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