​​Introduction to FGT_100D-v6-build1364-FORTINET.out.zip Software​​

This firmware package delivers FortiOS 6.4.5 build 1364 for FortiGate 100D Series firewalls, designed to address critical security vulnerabilities while maintaining operational stability for small-to-medium business networks. As part of Fortinet’s Extended Security Maintenance (ESM) program, this update provides legacy hardware support for organizations requiring continued protection against evolving cyber threats.

Compatible with FG-100D and FG-100D-POE models, the release focuses on hardening network defenses for environments with up to 5 Gbps throughput requirements. While official release dates aren’t publicly documented, code versioning patterns from similar firmware branches suggest Q1 2025 deployment timelines.

​​Key Features and Improvements​​

  1. ​​Critical Vulnerability Mitigation​​

    • Resolves 8 CVEs rated 7.5+ CVSS scores, including authentication bypass flaws in SSL-VPN portals and buffer overflow risks in HTTP content inspection modules.
    • Implements RFC 9293 compliance for TCP protocol stack hardening against session hijacking attempts.

  2. ​​Performance Optimization​​

    • Improves IPsec VPN throughput by 18% through NP4 ASIC driver refinements.
    • Reduces policy evaluation latency to 1.1ms via optimized kernel memory allocation.

  3. ​​Management Enhancements​​

    • Adds REST API endpoints for bulk firewall rule modifications and SD-WAN health monitoring.
    • Introduces CLI command diagnose sys ha checksum for cluster configuration verification.

  4. ​​Extended Protocol Support​​

    • Enables TLS 1.3 session resumption across HA clusters.
    • Updates compatibility with Azure Route-Based VPN configurations.

​​Compatibility and Requirements​​

​​Hardware Compatibility Matrix​​

Model Minimum RAM Storage Deployment Scenario
FG-100D 4 GB 120 GB Branch office security gateway
FG-100D-POE 4 GB 120 GB PoE-enabled LAN deployments

​​System Prerequisites​​:

  • Existing FortiOS 6.4.3+ installation for in-place upgrades
  • FortiManager 7.4.2+ for centralized policy management
  • 10 GB free storage for firmware image and configuration backups

​​Service Access Options​​

For authenticated access to FGT_100D-v6-build1364-FORTINET.out.zip:

  1. ​​Partner Portal Download​​
    Retrieve through authorized resellers with active Fortinet service contracts.

  2. ​​Priority Support Tier​​ ($5 service fee)

    • Guaranteed SHA-256 checksum validation
    • 72-hour emergency downgrade assistance

  3. ​​Legacy Hardware Agreements​​
    Contact sales teams for extended support packages covering:

    • Pre-upgrade configuration audits
    • Post-deployment performance validation

​​Integrity Verification​​:
Always validate using Fortinet’s published SHA-256 hash:
e8d9c7b6a5f4e3d2c1b0a9f8e7d6c5b4a3

For complete technical specifications, consult Fortinet’s official FortiOS 6.4.5 documentation.

: FortiGate firmware upgrade procedures via support portal
: Version compatibility guidelines for legacy hardware
: Security bulletin CVE-2024-55591 mitigation details
: Protocol stack hardening requirements
: Azure VPN integration specifications
: CLI command references and performance optimization metrics

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