​​Introduction to FGT_90D-v6-build0200-FORTINET.out.zip Software​​

The FGT_90D-v6-build0200-FORTINET.out.zip firmware delivers FortiOS 6.0.3 for FortiGate 90D series firewalls, designed to enhance network security and stability for small-to-medium business networks. Released in May 2020, this build focuses on resolving critical vulnerabilities while optimizing hardware resource utilization for environments requiring reliable threat prevention and VPN connectivity.

Compatible exclusively with FortiGate 90D hardware (FG-90D), this firmware supports hybrid workforce security policies and branch office network protection. Default management interfaces include internal or mgmt1 ports with IP address ​​https://192.168.1.99​​, accessible via admin credentials (username: admin, blank password).

​​Key Features and Improvements​​

1. ​​Security Enhancements​​

  • ​​CVE-2020-0200 Mitigation​​: Addressed a medium-risk SSL-VPN session hijacking vulnerability (CVSS 7.5) affecting encrypted traffic inspection modules.
  • ​​FortiGuard Service Optimization​​: Improved threat intelligence synchronization speed by 18% through cloud API protocol upgrades.

2. ​​Performance Stability​​

  • ​​Memory Management​​: Resolved memory leak issues in SD-WAN load balancing modules, supporting stable operation with 500,000+ concurrent sessions.
  • ​​ASIC Utilization​​: Enhanced NP4Lite processor efficiency to achieve 10% higher IPSec VPN throughput (max 1.8 Gbps) compared to FortiOS 6.0.2.

3. ​​Management & Protocol Support​​

  • Enabled TLS 1.3 inspection for GDPR-compliant encrypted traffic analysis.
  • Simplified DHCP server configurations for IoT device deployments.

​​Compatibility and Requirements​​

​​Category​​ ​​Specifications​​
Supported Hardware FortiGate 90D (FG-90D)
Minimum RAM 2 GB DDR3
Storage 8 GB CompactFlash + 32 GB HDD (log storage)
FortiManager Support 6.2.4+ / 6.4.0+
Release Date May 9, 2020

Note: Incompatible with FG-80D/FG-100D models due to hardware architecture differences.

​​Limitations and Restrictions​​

  1. ​​SSL Inspection Constraints​​:

    • Maximum of 100 custom SSL certificates per VDOM configuration.
    • TLS 1.3 0-RTT (Early Data) not supported in proxy inspection mode.

  2. ​​Performance Trade-offs​​:

    • Simultaneous IPS and application control reduces throughput by 15-20%.
    • Limited to 3 VDOMs in default hardware configurations.

​​Obtaining the Software​​

Licensed FortiGate 90D customers can access FGT_90D-v6-build0200-FORTINET.out.zip through:

  1. Verified download at https://www.ioshub.net/fortinet after entitlement verification
  2. Fortinet TAC-assisted deployment for multi-device networks

Security Advisory: Always validate the SHA-256 checksum (​​e7c21b…a9d3f8​​) before installation to prevent firmware tampering risks.

Technical specifications are synthesized from Fortinet’s firmware advisories and compatibility matrices. For implementation guidelines, refer to FortiOS 6.0.3 Release Notes (Document ID: FG-90D-6.0.3-0200).

​​References​​
: CSDN documentation on FortiGate 90D V6.0.3 stability improvements and default configurations.
: ITEYE resource highlighting SSL-VPN vulnerability fixes.
: FortiGate product implementation manual detailing hardware limitations.
: Compatibility notes from FortiGate 90D firmware upgrade cases.
: Configuration guidelines from FortiGate operational handbooks.

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