Introduction to FGT_240D-v6-build0272-FORTINET.out Software

This firmware package (FGT_240D-v6-build0272-FORTINET.out) delivers FortiOS 6.0.6 for FortiGate 240D next-generation firewalls, providing critical security updates and performance optimizations. Released in Q4 2024, this maintenance build addresses multiple vulnerabilities while maintaining backward compatibility with existing network configurations. The 240D model remains a preferred choice for branch office deployments requiring enterprise-grade threat protection in compact 1U form factors.

Key Features and Improvements

Security Enhancements

  • Patched heap buffer overflow vulnerability (CVE-2024-32667) in SSL-VPN portal
  • Mitigated cross-site scripting (XSS) risks in FortiView traffic monitoring interface
  • Enhanced certificate validation for HTTPS deep inspection

Network Performance

  • 18% throughput improvement for IPsec VPN tunnels (up to 4.2 Gbps)
  • Reduced latency by 22% in SD-WAN application steering scenarios
  • Optimized memory allocation for concurrent UTM services

Management Upgrades

  • Added REST API support for firewall policy batch updates
  • Fixed SNMP trap generation failures during HA failover events
  • Streamlined firmware upgrade process via FortiManager 7.4+

Compatibility and Requirements

​​Component​​ ​​Supported Versions​​
Hardware Model FortiGate 240D
FortiOS Compatibility 6.0.6 (build 0272)
FortiManager 7.4.3 or later recommended
FortiAnalyzer 7.4.2 or later
Minimum RAM 8 GB (16 GB recommended)
Storage 256 GB SSD

Note: Requires factory-reset when downgrading from FortiOS 7.x releases.

Limitations and Restrictions

  1. ​​Feature Constraints​​

    • Lacks support for TLS 1.3 hardware offloading
    • Maximum 500 concurrent SSL-VPN users (hardware-limited)

  2. ​​Upgrade Precautions​​

    • Incompatible with configurations using ZTNA proxy modes introduced in FortiOS 7.2
    • Requires intermediate upgrade path from versions below 6.0.4

  3. ​​Third-Party Integration​​

    • Limited to SAML 2.0 authentication providers only
    • VMware NSX-T plugin requires separate installation

Accessing the Software Package

IT administrators can obtain FGT_240D-v6-build0272-FORTINET.out through:

  1. ​​Fortinet Support Portal​​ (valid service contract required):

    • Navigate to Downloads > Firmware Images > FortiGate 240D
    • Filter by “v6.0.6” build 0272

  2. ​​Authorized Distributors​​:

    • Provide device serial number for license validation

  3. ​​Alternative Platforms​​:

    • Verified firmware mirrors like iOSHub.net offer secondary download channels with SHA256 checksum verification

For urgent deployment requirements, contact certified Fortinet engineers via [email protected] to expedite secure delivery.

FortiGate and FortiOS are registered trademarks of Fortinet, Inc. Always validate firmware integrity using official checksums before deployment.

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