NDLI: FlowNAC: Flow-based Network Access Control

Content Provider	IEEE Xplore Digital Library
Author	Matias, J. Garay, J. Mendiola, A. Toledo, N. Jacob, E.
Copyright Year	2014
Description	Author affiliation: ETSI Bilbao, Univ. of the Basque Country (UPV/EHU), Bilbao, Spain (Matias, J.; Garay, J.; Mendiola, A.; Toledo, N.; Jacob, E.)
Abstract	This paper presents FlowNAC, a Flow-based Network Access Control solution that allows to grant users the rights to access the network depending on the target service requested. Each service, defined univocally as a set of flows, can be independently requested and multiple services can be authorized simultaneously. Building this proposal over SDN principles has several benefits: SDN adds the appropriate granularity (fine-or coarse-grained) depending on the target scenario and flexibility to dynamically identify the services at data plane as a set of flows to enforce the adequate policy. FlowNAC uses a modified version of IEEE 802.1X (novel EAPoL-in-EAPoL encapsulation) to authenticate the users (without the need of a captive portal) and service level access control based on proactive deployment of flows (instead of reactive). Explicit service request avoids misidentifying the target service, as it could happen by analyzing the traffic (e.g. private services). The proposal is evaluated in a challenging scenario (concurrent authentication and authorization processes) with promising results.
Starting Page	79
Ending Page	84
File Size	367269
Page Count	6
File Format	PDF
ISBN	9781479969197
DOI	10.1109/EWSDN.2014.39
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-01
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Authorization Protocols Authentication Ports (Computers) Network Access Control Software Defined Networking Servers Security Standards
Content Type	Text
Resource Type	Article

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