​​Introduction to FGT_800D-v6-build0303-FORTINET.out Software​​

The ​​FGT_800D-v6-build0303-FORTINET.out​​ firmware package delivers FortiOS 6.4.15 for FortiGate 800D series next-generation firewalls, designed to address critical security vulnerabilities while optimizing network performance for enterprise environments. Released as part of Fortinet’s Q4 2024 security updates, this build specifically targets mid-sized enterprises requiring advanced threat prevention and SSL/TLS inspection capabilities.

Compatible exclusively with FortiGate 800D hardware platforms, this update resolves 15 documented CVEs while improving SD-WAN application steering efficiency. Network administrators managing distributed branch offices will benefit from its optimized memory allocation algorithms and enhanced threat intelligence integration.

​​Key Features and Improvements​​

​​Critical Security Patches​​

  • ​​CVE-2024-8071 (CVSS 9.1)​​: Mitigates buffer overflow vulnerabilities in SSL-VPN services that could enable remote code execution
  • ​​CVE-2024-8099 (CVSS 8.7)​​: Addresses improper certificate validation in deep packet inspection modules

​​Performance Enhancements​​

  • ​​NP6 Processor Optimization​​: Achieves 220 Gbps firewall throughput with AES-256-GCM encryption, 16% faster than FortiOS 6.4.14
  • ​​Memory Management​​: Reduces RAM consumption by 18% during concurrent DDoS mitigation and SSL inspection tasks

​​Protocol Support​​

  • ​​HTTP/3 (QUIC) Traffic Analysis​​: Extends application control policies to modern web protocols
  • ​​Enhanced BGP Routing​​: Supports 600,000 route entries with 28% faster convergence times

​​Compatibility and Requirements​​

​​Supported Hardware Matrix​​

Hardware Model Minimum Firmware Recommended OS Technical Notes
FortiGate 800D FortiOS 6.2.9 FortiOS 6.4.15 Requires 32 GB RAM for full IPS functionality
FortiGate 801D FortiOS 6.0.15 FortiOS 6.4.15 Dual NP6 processors required

​​System Requirements​​

  • ​​Storage​​: 16 GB available disk space for firmware installation
  • ​​Memory​​: 32 GB RAM (64 GB recommended for SSL/TLS inspection)
  • ​​Bootloader​​: Version 1.14.2 or newer for secure firmware validation

​​Limitations and Restrictions​​

  1. ​​Upgrade Path Constraints​​:

    • Direct upgrades from FortiOS 5.6.x require intermediate installation of FortiOS 6.2.7
    • Downgrading to versions below 6.4.12 will disable custom security profiles

  2. ​​Feature Constraints​​:

    • Hardware-accelerated TLS 1.3 inspection requires FortiCare 360 subscription
    • Maximum 8 virtual domains (VDOMs) supported with full throughput

​​Obtaining the Software​​

Authorized downloads of ​​FGT_800D-v6-build0303-FORTINET.out​​ require active Fortinet Support Contracts. Verified administrators can access the firmware through:

  1. ​​Fortinet Support Portal​​: Navigate to Downloads > Firmware Images > FortiGate 6.4 > 6.4.15
  2. ​​Certified Partners​​: Priority access available through Fortinet Silver/Gold Partners

For organizations requiring emergency security updates without active contracts, limited access is provided at https://www.ioshub.net after identity verification and $5 service fee processing.

​​Technical Validation​​

This release completed 2,100 hours of testing with these benchmarks:

  • ​​Throughput Stability​​: Maintained 99.999% uptime under 500 Gbps attack simulations
  • ​​Compliance Certification​​: Achieved FIPS 140-2 Level 2 validation for cryptographic modules

Always execute configuration backups via CLI before upgrading:

bash复制
execute backup full-config flash  


For detailed implementation guidance, refer to Fortinet’s FortiOS 6.4.15 Technical Deployment Guide (Document ID FG-TD-229-2024).


: Fortinet Security Advisory FSA-2024-19 (November 2024)

: FortiGate 800D Hardware Specifications (2024)

: FortiOS 6.4 Release Notes (October 2024)


: FortiGate firmware download list containing multiple 800D firmware versions with build numbers and OS versions.


			

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