
Some types are called solid-state as they have no moving parts but use flash memory instead of hard disks. Some hardware Firewall devices are similar to Personal Computers which are exclusively designed and configured to perform the role of a Firewall. The wide range, sophistication and cost implications can be gauged from the small comparison between D-Link, which is a simple basic Firewall for home or small office requirements, with the pricey CISCO Fix Firewall which comes in configurations that can support up to a phenomenal 500,000 connections. Here is a hardware Firewalls list of the most popular major vendors catering to the business houses looking to secure data against leakage and theft. There are different hardware Firewalls available.

Many factors are to be considered before finalising on the selection of a Firewall.

The type of hardware and vendor is dependent on the requirements of an organisation. There are many vendors of a hardware Firewall.
