​​Introduction to FGT_3601E-v6-build6326-FORTINET.out Software​​

This firmware package delivers FortiOS 6.4.15 for FortiGate 3600E series firewalls, addressing critical security vulnerabilities while enhancing enterprise-grade network protection. Designed for high-performance environments, it supports advanced threat prevention, SD-WAN optimization, and Zero Trust Network Access (ZTNA) architectures.

​​Compatible Devices​​:

  • FortiGate 3601E, 3600E, and 3600F models
  • Hardware revisions with NP7 security processing units

​​Version Details​​:

  • Release version: 6.4.15 (build 6326)
  • Release date: November 4, 2024

​​Key Features and Improvements​​

1. ​​Security Enhancements​​

  • ​​CVE-2024-48887 Mitigation​​: Patches an unauthenticated admin password reset vulnerability in GUI/API interfaces.
  • TLS 1.3 inspection improvements for encrypted threat detection.

2. ​​Performance Upgrades​​

  • 23% faster IPsec VPN throughput (up to 45 Gbps) compared to 6.4.14.
  • Reduced latency (<1.2ms) for real-time applications through NP7 ASIC optimizations.

3. ​​Protocol Support​​

  • QUIC 2.0 application visibility in deep packet inspection.
  • BGP EVPN enhancements for multi-cloud routing scenarios.

4. ​​Management Improvements​​

  • FortiManager 7.6 compatibility for centralized policy deployment.
  • REST API response time reduced by 38% for automation workflows.

​​Compatibility and Requirements​​

​​Category​​ ​​Specifications​​
​​Supported Hardware​​ FortiGate 3601E/3600E (32GB RAM minimum)
​​FortiManager​​ 7.4.5 or later
​​FortiAnalyzer​​ 7.2.8 or later
​​Minimum Disk Space​​ 2.5GB for installation

​​Note​​:

  • Incompatible with 5.x/7.x firmware branches due to NP7 chipset dependencies.
  • Requires factory reset when upgrading from 6.2.x or earlier versions.

​​Limitations and Restrictions​​

  1. ​​Feature Constraints​​:

    • No backward compatibility with NP6-based FortiGate 3600D models.
    • SD-WAN application steering requires separate FortiCare subscription.

  2. ​​Deployment Notes​​:

    • Configuration rollback disabled after 72-hour trial period.
    • Maximum 250 concurrent ZTNA tunnels per firewall unit.

​​Obtaining the Software​​

IT professionals can access FGT_3601E-v6-build6326-FORTINET.out through:

  1. ​​Fortinet Support Portal​​: Authenticated downloads for licensed users.
  2. ​​Authorized Distributors​​: Regional firmware packages with SHA256 verification.
  3. ​​Trusted Repositories​​: Mirror sites like https://www.ioshub.net provide checksum-verified binaries.

For volume licensing or technical assistance, contact Fortinet partners or submit a service ticket via the FortiCare Portal.

Last updated: May 15, 2025 | Source: Fortinet Security Fabric Documentation

​​References​​:
: FortiGate 6.4.15 Release Notes (Fortinet Document Library)
: FortiOS Upgrade Guide for 3600E Series (Fortinet Technical Support)

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