Barracuda Networks, Panda, Cisco, Sophos and other
network security vendors all offer a number of firewall appliances to protect your network. This Processor.com article offers details on 12 currently available appliances and provides an overview of features and pricing.
“Barracuda Spam & Virus Firewall: The versatile, do-it-all Spam & Virus Firewall appliance from Barracuda Networks uses a multilayer approach to content filtering, with three layers dedicated to virus blocking alone. The Spam & Virus Firewall alleviates strain on the network and mail servers by winnowing out unwanted content ahead of time.
“SonicWall NSA 3500: The SonicWall NSA 3500 is a fully integrated deep packet inspection firewall that’s designed for speed and easy deployment. It’s outfitted with file and content inspection, application intelligence, and intrusion prevention features. SonicWall designed it to accommodate a variety of configurations and advanced networking needs, the company says.”