Untangle NG Firewall - Untangle NG Firewall filters traffic based on IP address, protocol and port, which enables administrators to designate which systems and services (HTTP, FTP, etc.) are publicly available.
AlienVault USM (from AT&T Cybersecurity) - AlienVault USM Anywhere delivers powerful threat detection, incident response, and compliance management for cloud, on-premises, and hybrid environments.
Cisco DNA Center - Find and resolve network issues with Cisco DNA Center. Provides software-based network automation and assurance. Control and manage intent-based networks.
snort - Snort is a free and open source network intrusion prevention system.
SolarWinds Network Configuration Manager - SolarWinds is a leading provider of powerful and affordable IT infrastructure management software. Make IT look easy.
FireEye Network Security and Forensics - Network Security and Forensics tools help you detect, monitor and respond to complex cyber attacks and zero-day exploits that bypass signature-based defenses.