Integrated desktop firewall and multi-layer intrusion prevention software delivers signature-less, zero-hour protection from known or new spyware, viruses, hacking techniques, and other intrusions on Windows desktops and servers. Privatefirewall features port tracking, URL and packet filtering and application/system behavior modeling and anomaly detection components to deliver proactive, comprehensive protection. Version 5.0.8.11 may include unspecified updates, enhancements, or bug fixes.