Projeto de Firewall

Quais são os principais aspectos num projeto de firewall?

O firewall é um componente obrigatório num projeto de segurança.

Uma forma simples de segmentação de um projeto de firewall é: 1) Políticas e regras, 2) Zoneamento e 3) Escolha do melhor tipo de firewall.

Políticas e regras para filtrar pacotes:

  • O que não é expressamente permitido é proibido.
  • O que não é expressamente proibido é permitido.
  • O número de regras implica diretamente no desempenho das aplicações.

Zoneamento das redes

  • Rede Interna
  • Rede Externa
  • DMZ

Tipo de firewall

 


Os firewalls são um importante recurso de segurança, mas não é o único e nem provê segurança completa. Existem várias implementações que geram reflexos no desempenho da rede


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