A system for active analysis of firewall behavior. / Um sistema para análise ativa de comportamento de firewall.

AUTOR(ES)

Ákio Nogueira Barbosa

DATA DE PUBLICAÇÃO

2006

RESUMO

Due to the importance of the firewalls for protection of network computers, a lot of studies has been done in order of the improvement of the protection techniques and in the development of new techniques to be used in the analysis of them. With focus in this theme, this thesis considers the viability of the technique of injection of packages and observation of the results to analyze the behavior of network firewalls for stack TCP/IP, resulting in an alternative technique for analysis of firewalls. To show the validity of the technique an architecture was proposed and, as a concept proof, a prototype of the analysis system was implemented. Also was implemented some tests. The technique of injection of packages and observation of the results reveled viable for some situations. For others, addictionals studies are necessary for reduction of the combinatory explosion.

ASSUNTO(S)

firewall analysis análise de firewall segurança de redes de computadores computer network security

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