Misc,

Dynamic firewalling for femto-cell communication

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IIT Real-Time Communications Conference & Expo, (September 2012)

Abstract

Application scenarios for femto cells (aka Home (e)Node Bs) constantly grew since their first specification in 3GPP Release 8. However, the deployment of femto cells is challenging for network operators as femto cells get direct access to the core network via a VPN tunnel. Moreover, the femto cells' integrity cannot be guaranteed because they are operated outside of the operator's domain. Thus, it enormously increases security if the access within the core network is limited by setting user-dependent firewalling rules to allowed services. Configuration effort can be eased by employing a dynamic firewalling approach, which supports setting firewall rules on-demand on a per-user basis. This talk will present the dynamic firewalling apporach developed in the DynFire project. DynFire allows an individually controlled, secure access to the IT resources of a large organization, with particular focus on mobile users and users with restricted rights.

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