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Enterprise Network Packet Filtering for Mobile Cryptographic Identities
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Author(s): Janne Lindqvist (Helsinki University of Technology, Finland), Essi Vehmersalo (Helsinki University of Technology, Finland), Miika Komu (Helsinki Insitute for Information Technology, Finland)and Jukka Manner (Helsinki University of Technology, Finland)
Copyright: 2012
Pages: 15
Source title:
Emergent Trends in Personal, Mobile, and Handheld Computing Technologies
Source Author(s)/Editor(s): Wen-Chen Hu (University of North Dakota, USA)
DOI: 10.4018/978-1-4666-0921-1.ch005
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Abstract
Firewalls are an essential component of the Internet and enterprise network security policy enforcement today. The configurations of enterprise firewalls are typically rather static. Even if client’s IP addresses can be dynamically added to the packet filtering rules, the services allowed through the firewall are commonly still fixed. In this paper, we present a transparent firewall configuration solution based on mobile cryptographic identifiers of Host Identity Protocol (HIP). HIP allows a client to protect the data transfer with IPsec ESP, and supports dynamic address changes for mobile clients. The HIP-based firewall learns the identity of a client when it communicates with the server over HIP. The firewall configures the necessary rules based on HIP control messages passing through the firewall. The solution is secure and flexible, and introduces only minimal latency to the initial HIP connection establishment.
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