IPFire OS USB Linux Open Source Firewall Proxy Server VPN Gateway Encryption. Don't forget that ease-of-use is a key principle. The primary objective of IPFire is security. IPFire forms the base of a secure network. Security of the modular components is a top priority. Since IPFire is typically directly connected to the Internet, it is going to be a primary target for hackers and other threats.. Condition:: Brand New: An item that has never been opened or removed from the manufacturer’s sealing (if applicable). Item is in original shrink wrap (if applicable). See the seller's listing for full details. See all condition definitions : Operating Systems: : Linux , Brand: : Unbranded/Generic: Operating System Edition: : Home , Platform: : Linux: UPC: : Does not apply , 。