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.
Users
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