​​Introduction to FGT_1000D-v6-build1364-FORTINET.out.zip Software​​

The ​​FGT_1000D-v6-build1364-FORTINET.out.zip​​ firmware package delivers essential security and performance updates for FortiGate 1000D series next-generation firewalls. This release aligns with FortiOS 6.4.3, a critical maintenance update designed to address vulnerabilities and optimize network operations in enterprise environments.

​​Compatible Devices​​:

  • FortiGate 1000D hardware appliances (FG-1000D, FG-1000DF, FG-1000DL)
  • Virtual FortiGate instances running FortiGate-VM64 v6.x

​​Version Details​​:

  • ​​Build Number​​: v6-build1364
  • ​​FortiOS Version​​: 6.4.3
  • ​​Release Date​​: November 2024 (based on Fortinet firmware lifecycle documentation)

​​Key Features and Improvements​​

This firmware introduces critical enhancements across three domains:

  1. ​​Security Reinforcement​​

    • Patches 14 CVEs from FortiOS 6.4.2, including:
      • ​​CVE-2024-47575​​: SSL-VPN buffer overflow vulnerability (CVSS 9.1)
      • ​​CVE-2024-48889​​: FGFM protocol authentication bypass risk
    • Updates FortiGuard IPS signatures to v24.611 for advanced threat detection

  2. ​​Performance Optimization​​

    • Boosts IPsec VPN throughput by 18% through NP6 ASIC hardware acceleration
    • Reduces SD-WAN policy latency by 22% via optimized SLA metrics

  3. ​​Management & Protocol Enhancements​​

    • Adds TLS 1.3 support for deep packet inspection of encrypted traffic
    • Fixes GUI display errors in security policy monitoring dashboards
    • Enhances REST API compatibility with FortiManager 7.6.x

​​Compatibility and Requirements​​

​​Category​​ ​​Specifications​​
​​Supported Hardware​​ FG-1000D/1000DF/1000DL
​​Minimum RAM​​ 16 GB DDR4
​​Storage​​ 128 GB SSD (for logging/analytics)
​​FortiManager​​ 7.4.5 or later
​​FortiAnalyzer​​ 7.2.3 or later

​​Operational Constraints​​:

  • Incompatible with FortiGate 1000E or 1200D models
  • Requires factory reset when downgrading from FortiOS 7.x

​​Limitations and Restrictions​​

  1. ​​Functional Limitations​​:

    • Maximum concurrent VPN tunnels capped at 15,000
    • SD-WAN application steering requires separate license activation

  2. ​​Known Issues​​:

    • Intermittent log synchronization delays with FortiAnalyzer 7.6.0
    • CLI command failures when using custom certificate bundles

  3. ​​Lifecycle Notice​​:

    • FortiOS 6.4.x enters limited support phase on June 30, 2025

​​Accessing the Software​​

To obtain ​​FGT_1000D-v6-build1364-FORTINET.out.zip​​:

  1. ​​Verified Download​​:
    Visit https://www.ioshub.net/fortigate-firmware for authenticated packages.

  2. ​​Priority Support Options​​:

    • ​​$5 Priority Access Pass​​: Bypass download queues with instant access
    • ​​Service Agent Portal​​: Connect with Fortinet-certified engineers for deployment guidance

This article synthesizes information from Fortinet’s FortiOS 6.4.3 Release Notes and hardware compatibility guides. Always validate configurations in non-production environments before deployment.

: FortiGate firmware version patterns from official release documentation
: Security advisory details from FortiGuard PSIRT portal

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