F5 Advanced Firewall Manager - Stop even the most massive and complex DDoS attacks with BIG-IP Advanced Firewall Manager: advanced data center protection against layer 3–4 threats.
Sqreen - Sqreen is a web application security monitoring and protection solution helping companies protect their apps and users from attacks. Get started in minutes.
SRX firewalls - Protect your small branch office, midsize enterprise, large data center, or cloud applications with Juniper next-generation firewalls and virtual firewalls.
Sangfor NGAF Firewall - Sangfor offers a complete & comprehensive firewall solutions with users in mind by protecting them against all type of threats internal or external, existing or future threats, with an easy-to-use converged security solution.
TrusGuard - TrusGuard is an intelligent network firewall security platform or service that helps businesses protect their networks from attacks.
Incapsula - Incapsula is a Security CDN that makes any website safer, faster and more reliable. 5 minute setup will make a world of difference.