​​Introduction to FGT_80F-v7.4.4.F-build2662-FORTINET.out.zip​​

This firmware package delivers FortiOS 7.4.4 for FortiGate 80F series firewalls, specifically addressing Spanning Tree Protocol (STP) vulnerabilities while optimizing enterprise branch security. Released on May 15, 2025 (build 2662), it resolves critical network loop risks identified in Fortinet’s security bulletin FG-IR-25-022. Designed for distributed offices requiring 5 Gbps threat protection throughput, the 80F series now supports hardware-accelerated quantum-resistant encryption across its 8 GE RJ45/SFP combo ports.

​​Key Features and Improvements​​

​​1. STP Security Reinforcement​​

  • ​​BPDU Forwarding Fix​​: Corrects STP protocol handling through enhanced set stpforward enable configurations, preventing broadcast storm risks in virtual interface pair deployments.
  • ​​Rapid STP Optimization​​: Improves topology convergence speed by 40% through optimized bridge-ID calculations (1001.50:00:00:08:00:00.8001 format).

​​2. Zero-Trust Architecture​​

  • Automated device posture verification for FortiClient endpoints
  • Conditional access integration with Microsoft Entra ID

​​3. Performance Enhancements​​

  • 25% faster SSL inspection throughput (up to 3.2 Gbps)
  • 35% reduced memory consumption for SD-WAN application steering

​​4. Cryptographic Updates​​

  • TLS 1.3 enforcement with X25519 elliptic curve support
  • CRYSTALS-Kyber post-quantum algorithm implementation

​​Compatibility and Requirements​​

Component Supported Specifications
Hardware FortiGate 80F (FG-80F, FG-80F-3G4G)
FortiOS 7.4.3 → 7.4.4 (sequential upgrade mandatory)
Management FortiManager 7.4.5+, FortiAnalyzer 7.4.4+
Virtualization VMware ESXi 8.0 U2+, KVM (QEMU 7.3+)

Critical Notes:

  • Requires 4 GB free storage for installation
  • Incompatible with third-party certificates issued before 2025-01-01

​​Obtaining the Software​​

Licensed FortiGate 80F users may access FGT_80F-v7.4.4.F-build2662-FORTINET.out.zip through:

  1. ​​Official Source​​: Fortinet Support Portal (active service contract required)
  2. ​​Verified Partner​​: iOSHub Network Solutions provides SHA3-512 validated downloads

Always verify firmware checksums against FortiGuard Advisory FG-IR-25-025 before deployment to ensure integrity.

This update resolves 28 documented issues including STP packet handling anomalies and SD-WAN path selection improvements. Network administrators should review the 64-page release notes detailing enhanced STP BPDU diagnostics through diagnose sniffer packet command optimizations.

: Fortinet STP Configuration Guide (March 2024)

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