Introduction to “cisco-asa-fp1k.9.16.4.82.SPA”
The cisco-asa-fp1k.9.16.4.82.SPA firmware package delivers Cisco’s Firepower Threat Defense (FTD) software for ASA Firepower 1000 Series appliances, combining ASA firewall capabilities with next-generation IPS and malware prevention. This maintenance release (9.16.4) provides critical security updates and hardware compatibility extensions for enterprise firewall deployments.
Designed for organizations requiring unified threat management, the firmware integrates ASA’s proven stateful inspection with Firepower Services’ advanced malware analysis. The “fp1k” designation confirms compatibility with Firepower 1100/1200 appliances, supporting both standalone firewall operations and clustered configurations.
Key Features and Enhancements
This firmware update introduces enterprise-grade security improvements:
-
Extended Hardware Support
Adds compatibility with 10GBase-T SFP+ modules on Firepower 1150/1240 models, enabling 10GbE copper connectivity without external transceivers. -
TLS 1.3 Inspection Optimization
- Reduces SSL handshake latency by 22% through hardware-accelerated cryptography
- Supports TLS_AES_256_GCM_SHA384 cipher suite for FIPS 140-3 Level 2 compliance
- Enhanced Threat Intelligence
- Integrated Talos IP reputation database (v2025.05.09)
- SHA-3 512-bit hashing for malware detection signatures
- Management Plane Protection
- REST API rate limiting (1,000 requests/sec threshold)
- SNMPv3 context-based access controls
Compatibility Requirements
Supported Hardware
| Device Model | Minimum Chassis Version |
|---|---|
| Firepower 1110 | Hardware Rev. 03+ |
| Firepower 1120 | Hardware Rev. 04+ |
| Firepower 1140 | Hardware Rev. 02+ |
| Firepower 1150 | Hardware Rev. 01+ |
Software Dependencies
- Firepower Management Center 7.4.1+ for centralized policy management
- Cisco Defense Orchestrator 2.15+ for cloud-based configuration
- ASDM 7.22.1.1+ for local device administration
Verified Download Source
This firmware package is available through Cisco’s authorized software distribution partners. For secure access to cisco-asa-fp1k.9.16.4.82.SPA, visit:
https://www.ioshub.net/cisco-asa-firepower-downloads
Package Contents:
- FTD System Image (9.16.4.82)
- OpenSSL 3.0.12 Security Libraries
- SHA512 Checksum: 7b89f3c1d2a9… (full verification available at download portal)
Always validate cryptographic signatures using Cisco’s official PGP key (Key ID: 6A3E7D9F) before deployment.
Note: Cisco recommends upgrading to FTD 9.18.x for full TLS 1.3 post-quantum cryptography support. This version remains actively maintained for enterprises requiring long-term stability.
