​​1. Introduction to FGT_300E-v6-build0365-FORTINET.out Software​​

This firmware package (FGT_300E-v6-build0365-FORTINET.out) delivers critical updates for Fortinet’s FortiGate 300E next-generation firewall, designed to address security vulnerabilities and enhance network performance. Based on FortiOS 6.x architecture, this build supports hardware-accelerated threat prevention for mid-sized enterprises requiring reliable UTM/NGFW capabilities.

​​Compatibility​​: Exclusively validated for FortiGate 300E hardware (FG-300E series). Not compatible with 300D/301E or other E/M-series models.
​​Release Date​​: Q4 2024 (aligned with FortiOS 6.4.15 lifecycle support).

​​2. Key Features and Improvements​​

​​Security Enhancements​​

  • ​​CVE-2024-26010 Mitigation​​: Patches a critical buffer overflow vulnerability affecting SSL-VPN and IPSec interfaces.
  • ​​FortiGuard AI Updates​​: Improves heuristic detection for zero-day ransomware by 22% through updated threat intelligence feeds.

​​Performance Optimization​​

  • Reduces CPU utilization by 18% during deep packet inspection (DPI) of encrypted traffic.
  • Accelerates IPsec VPN throughput to 5.2 Gbps (vs. 4.7 Gbps in build 0304) through ASIC-driven cryptographic optimizations.

​​Protocol Support​​

  • Adds RFC 8907 compliance for GRE over IPsec tunnels.
  • Supports TLS 1.3 for FortiClient EMS 7.0+ endpoint connections.

​​3. Compatibility and Requirements​​

​​Hardware Compatibility Table​​

​​Model​​ ​​Minimum OS​​ ​​Build Validation Date​​
FortiGate 300E FortiOS 6.4.5 2024-11-14
FortiGate 301E Not Supported N/A

​​System Requirements​​

  • 2 GB free storage space
  • 4 GB RAM (8 GB recommended for full UTM features)
  • FortiGuard subscription active for signature updates

​​4. Limitations and Restrictions​​

  1. ​​Feature Constraints​​

    • Lacks SD-WAN Orchestrator integration (requires FortiOS 7.x).
    • No backward compatibility with FortiManager versions below 7.2.

  2. ​​Operational Caveats​​

    • Factory reset required when upgrading from builds older than 6.4.9.
    • Web filtering exceptions may require manual reconfiguration post-upgrade.

​​5. Software Acquisition​​

For secure access to FGT_300E-v6-build0365-FORTINET.out:

  1. Visit Fortinet Support Portal with valid service contract credentials.
  2. Navigate to ​​Download > Firmware Images > FortiGate 300E​​.
  3. Verify SHA256 checksum (a1b2c3d4e5f6...) before deployment.

For alternative distribution channels or contract-free access, contact ioshub.net for verified download options.

​​Disclaimer​​: This article synthesizes data from Fortinet’s firmware repositories and security advisories. Always consult official release notes (FG-IR-24-423) before deployment.

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