Cisco ASA5520-AIP20-K9 Firewall with Advanced Inspection

Product Description

The Cisco ASA5520-AIP20-K9 is a purpose-built enterprise firewall appliance from the Cisco ASA 5500 series, equipped with the AIP-SSM-20 intrusion prevention module. This unit is designed for mid-sized and large enterprise networks requiring integrated threat defense, high availability, and hardware-based VPN acceleration. The system combines firewall, intrusion prevention, and VPN services in a single 1U chassis, making it suitable for secure perimeter deployments in B2B environments.

Technical Specifications

• Model / MPN: ASA5520-AIP20-K9
• Form Factor: ASA 5520 Appliance with AIP-SSM-20 module
• Software: Includes security software (SW) and high availability (HA) support
• Network Interfaces: 4 x Gigabit Ethernet (GE) + 1 x Fast Ethernet (FE)
• Encryption: 3DES/AES (K9 model)
• AIP Module: AIP-SSM-20 (intrusion prevention)
• Power Supply: Integrated (standard ASA 5520 power configuration)

Design Features

• Integrated AIP-SSM-20 module provides dedicated intrusion prevention processing without impacting firewall performance.
• High availability (HA) capability allows redundant deployment for continuous network availability.
• 4GE+1FE interface configuration offers flexible segmentation of internal, external, and DMZ zones.
• 3DES/AES encryption support enables secure VPN tunnels for remote site connectivity.
• Compact 1U appliance design suitable for standard 19-inch racks in data center environments.

Application Area

This firewall is deployed at enterprise network perimeters, data center demarcation points, and regional office gateways across Poland and Central-Eastern Europe. It is used to enforce security policies between trusted internal networks and external connections, including internet egress and site-to-site VPN links. The AIP-SSM-20 module adds intrusion detection and prevention capabilities for traffic inspection, making it suited for regulated industries requiring layered security controls.