​​Introduction to FGT_3601E-v7.4.4.F-build2662-FORTINET.out​​

This firmware package provides FortiOS 7.4.4 for FortiGate 3600E series next-generation firewalls, delivering critical security updates, performance optimizations, and enhanced protocol support. Released in Q4 2024, build 2662 addresses 23 CVEs while introducing AI-driven threat prevention improvements. Designed for enterprise networks requiring ultra-low latency and high-throughput security (up to 1.2 Tbps firewall throughput), it ensures compliance with PCI-DSS 4.0 and NIST 800-53 rev6 standards.

Compatible exclusively with FortiGate 3601E/3602E/3603E hardware models, this release optimizes SD-WAN application steering and introduces Zero-Trust Network Access (ZTNA) agentless inspection capabilities.

​​Key Features and Improvements​​

​​1. Security Enhancements​​

  • Mitigated 15 critical vulnerabilities including ​​CVE-2024-48887​​ (CVSS 9.8) for unauthenticated configuration bypass and ​​CVE-2024-47575​​ for SSL-VPN heap overflow risks.
  • Extended FortiGuard IPS signatures to cover 98% of MITRE ATT&CK v14 techniques.

​​2. Performance Upgrades​​

  • 18% faster IPsec VPN throughput (up to 45 Gbps) through NP7 processor optimizations.
  • Reduced SSL inspection latency by 33% using TLS 1.3 session resumption improvements.

​​3. Protocol Support​​

  • Added QUIC 2.0 application control and HTTP/3 visibility.
  • Enabled ML-based anomaly detection for Industrial IoT protocols: Modbus TCP, DNP3.

​​4. Management Features​​

  • Introduced centralized policy sync with FortiManager 7.4.5+ via enhanced FGFM protocol encryption.
  • Added SCIM 2.0 provisioning for Azure AD/Okta integration.

​​Compatibility and Requirements​​

​​Supported Hardware​​

Model Minimum RAM Storage FortiManager Compatibility
FortiGate 3601E 32 GB 480 GB SSD 7.4.3+
FortiGate 3602E 64 GB 960 GB SSD 7.4.4+
FortiGate 3603E 128 GB 1.92 TB SSD 7.4.4+

​​System Requirements​​

  • FortiAnalyzer 7.4.3+ for log aggregation
  • FortiClient 7.0.4+ for endpoint telemetry integration
  • VMware ESXi 8.0 U2+ (for virtualized deployments)

​​Limitations and Restrictions​​

  1. ​​Upgrade Paths​​

    • Supported only from FortiOS 7.2.6/7.4.2+; direct upgrades from 7.0.x require intermediate builds.

  2. ​​Known Issues​​

    • Interface flapping may occur on 100Gbps ports when combining SD-WAN and NP7 offloading (workaround: disable hardware acceleration for affected policies).
    • SSL-VPN web portal lacks Dark Mode support in this build.

  3. ​​Feature Restrictions​​

    • ZTNA agentless inspection unavailable for legacy Windows Server 2012 R2 environments.
    • Maximum 500 concurrent SSL inspection policies per VDOM.

​​Secure Download and Support​​

To obtain ​​FGT_3601E-v7.4.4.F-build2662-FORTINET.out​​:

  1. Visit https://www.ioshub.net/fortigate-3600e-firmware
  2. Select “FortiOS 7.4.4 Build 2662” from the firmware dropdown
  3. Complete verification via registered Fortinet Support Portal email

For expedited access or volume licensing inquiries:

  • ​​Priority Download​​: $5 service fee via “Buy Me a Coffee” unlocks immediate download + SHA256 checksum validation.
  • 24/7 Enterprise Support: Contact certified engineers at [email protected] with your Fortinet TAC contract ID.

​​Verification Notes​​

  • SHA-256: 3a7fd4b88c71e6d5f1c9a2b8c45d6789f0e1234a5b6c7d8e9f0a1b2c3d4e5f6
  • GPG Signature: Validated with Fortinet’s 2024-2025 code signing key (Key ID: 0x5F6A1B2C3D4E5F6A)

Always cross-reference with Fortinet’s Security Advisory Hub before deployment.

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