Pn-GUARD - internet security

Pn-GUARD Operation System is security enhanced FreeBSD and allows you to turn simple PC into a full-featured security appliance. The modular architecture of the system offers a high level of adaptability to all environments and user needs. Easy web administration and integrated security services such as stateful inspection firewall, VPN, gateway anti-virus, anti-spam, web security, and email content filtering offer full protection in a single system, reducing overall costs of downtime, as well as the licensing of partial security solutions.

Hardware requirements

• CPU - Single or Multi Processor(SMP) - Intel x86 compatible (500MHz minimum)
• RAM - 256MB minimum (512MB recommended)
• Disk - SCSI, SATA, SAS or IDE disk is required (4GB minimum)
• Software RAID - For software RAID1 (mirroring) two disks of the same type (the capacity needn't be the same) are required
• CDROM - An IDE, SCSI or USB CDROM drive is required for installation (not required after installation)
• Network Cards - Common NICs, Gigabit and fiber NICs. Single NIC can be used for installation - VLAN Based
• Operating System - Pn-GUARD is modified version of pfSense2 which is the best Open Source security appliance