Cisco ASA 5500 Series, including the Cisco ASA 5506-X, 5508-X, 5525-X, 5545-X, and other ASA5500 firewall, deliver integrate world-class firewall, unified communications security, VPN, intrusion prevention (IPS), and content security services in a unified platform for small and medium-sized businesses (SMBs), enterprises, and service providers. The popular products are ASA5506-X and ASA5508-X.