Barracuda Firewall is said to be internet security system which is installed in all multinational companies & corporate offices. It is not known to affect networks performance much and assures complete reliability. This firewall installation creates a strong barrier between private & external network which enhances security level thus preventing unauthorized access. It asks computer every time when an unauthorized file is detected for approval. All physical components of Barracuda Firewall have been enclosed in a compact enclosure which assures its easy maintenance & durability as well.