Conheço milhares de grandes empresas que utilizam como firewall o pfsense. Além de ser robusto, ele é bem simples  de se configurar. Há centenas de modelos de configuração e uma série de GUIs para ele.

Há também alguns livros que servem como cookbooks para configurá-lo.  O pfSense 2 Cookbook foi lançando pela Packt Publishing com o objetivo de ser um guia completo para este firewall opensource e ele está disponível para “consulta” no Wowebook. O livro possui os seguintes tópicos:

  • Determine your deployment scenario, hardware/throughput/interface requirements, form-factor, and which platform version of pfSense is right for you
  • Secure remote access using the SSH and/or HTTPS protocols
  • Add, assign, and configure network interfaces
  • Configure essential networking services (such as DHCP, DNS, Dynamic DNS)
  • Create aliases, firewall rules, NAT port-forward rules, and rule schedules
  • Enable external Remote Desktop Access to an internal machine, following a complete example of the core pfSense functionality
  • Configure the PPTP, IPSec, L2TP, and/or OpenVPN services
  • Create virtual IPs, a virtual LAN, 1:1 and outbound NAT rules, gateways, static routes, and bridged interfaces
  • Configure traffic-shaping and Quality of Service (QoS)
  • Create multiple WAN interfaces in load-balanced or failover configurations
  • Configure firewall redundancy with a CARP firewall failover
  • Configure external logging with syslog
  • Use a variety of built-in networking tools such as Ping and traceroute
  • Configuration backup/restoration and automatic configuration-file backup
  • Update the pfSense firmware
  • Monitor and view all sorts of system and feature statuses/logs using RRD graphs and status monitoring tools

Boa leitura.

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