Note: If you just want to test the pfSense then one network adapter can be used to access it by setting up a same physical adapter for both virtual adapter of VirtualBox and later when the installation is done the just manually enter the LAN address within same range to WAN address from pfSense management screen. It can be Wireless+Wilress or Wireless + Ethernet or Ethernet+Ethernet. Note: To set up and use pfSense on Virtualbox virtual machine environment as a firewall to save the network from threats your physical machine should have two adapters.
Requirements Specific to Individual Platforms: The minimum hardware or system requirements for the pfSense are also basic, any old system with below-given configuration can easily handle the installation and process… Linux pfSense System Requirements: Also, make sure the system you are using for the pfSense must have two network interfaces one for WAN and others to connect LAN. The pfSense should be installed between the Internet and other products that are using the Internet as shown in the above diagram. However, the pfSense is not alone opensource firewall there are a couple of others too, you can see our articles for more information on this: Nine Top opensource network firewall Linux systems.
Anyone with some technical knowledge can turn an old system or routers into a dedicated network firewall. It is a network firewall or router software distribution based on FreeBSD. To secure home or office networks you don’t need to spend a heavy amount, it can be possible with the help of simple open source firewall Linux operating systems like PfSense. The big organizations spend an enormous amount of money to maintain security infrastructure and in building firewalls to protect their internal networks and data. The Internet is full of harmful objects or security issues such as viruses, malware, ransomware hackers and more.
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