Check Point Quantum Security Gateway - Quantum is the next-generation VPN security gateway that delivers the core security benefits of a firewall, next-generation IPS, antivirus, and Web-filtering without sacrificing performance.
SRX firewalls - Protect your small branch office, midsize enterprise, large data center, or cloud applications with Juniper next-generation firewalls and virtual firewalls.
Load Impact - How many users can my web site handle?
McAfee Network Security Platform - McAfee Network Security Platform guards all your network-connected devices from zero-day and other attacks, with a cost-effective network intrusion prevention system.
DataSunrise Database Security - DataSunrise Database Security Software secures the databases and data in real-time with high performance.
snort - Snort is a free and open source network intrusion prevention system.