Resumo

ARANA, José R.; VILLA, Leandro A.  e  POLANCO, Oscar. Implementation of network access control by using authentication, authorization and accounting protocols . Ing. compet. [online]. 2013, vol.15, n.1, pp.127-137. ISSN 0123-3033.

This paper presents the design and implementation of a network access control system which provides the Authentication, Authorization and Accounting (AAA) service using GNU Licensed Software, employing the standard protocols IEEE 802.1x and RADIUS, based on a Public Key Infrastructure (PKI), a centralized directory service, which stores the security policies assigned to each user, and a MySQL database, where the authentication events of the AAA service are registered, all of this was tested in a production corporate environment with 300 workstations. On the system, it was achieved: three authentication methods by using EAP-TLS, PEAP and EAP TTLS; secure management of information, in a central database, about users that can access the network and the privileges that each of them own; use of digital certificates to prove the identity of a user or network device running any of the popular operating systems. Also has been configured a RADIUS Server to use two points of policy information, one of them is the OpenLDAP directory server, the other is the Active Directory from Microsoft. This enables a scalable network access control, without demanding a high budget

Palavras-chave : Access Control; Authentication; Authorization; Accounting.

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