The PA-5000 series are new next generation firewalls with throughput of up to 20Gbps. They use multiple CPUs, RAM, and hardware acceleration engines to provide security functions. The PA-5000 architecture includes a control plane for management and a high throughput data plane. GlobalProtect provides secure remote access by creating a VPN tunnel between remote clients and gateways, and enforces security policies based on host information profiles gathered from endpoints. PAN-OS 4.0 provides more granular security policies and controls, an improved user interface, and networking enhancements such as active/active high availability and IPv6 support. New security features include botnet detection, enhanced intrusion prevention signatures, and client certificate authentication for captive portals.