IIS, Apache2 and NGINX. Portmaster by Safing is an activity monitoring application. It is also available on Windows. Systrace Zorp Windows WinGate Network appliances These devices may be sold as hardware, software, or virtualized network appliances. Next-Generation Firewalls: Cisco Firepower Threat Defense Check Point Fortinet FortiGate Series Juniper Networks SRX Series Palo Alto Networks SonicWALL TZ/NSA/SuperMassive Series Web Application Firewalls/LoadBalancers: A10 Networks Web Application Firewall Barracuda Networks Web Application Firewall/Load Balancer ADC Citrix NetScaler F5 Networks BIG-IP Application Security Manager Fortinet FortiWeb Series KEMP Technologies Imperva Others: CloudFlare Meraki Smoothwall Snapt Inc See also ModSecurity Computer security Content-control software Proxy server Information security Application security Network security References External links Web Application Firewall, Open Web Application Security Project Web Application Firewall Evaluation Criteria, from the Web Application Security Consortium Safety in the cloud(s): 'Vaporizing' the Web application firewall to secure cloud computing Firewall software Packets (information technology) Data security Cyberwarfare