Introduction to vsigupdate-OS5.4.0_91.958.MMDB.pkg

This critical infrastructure update delivers the 91.958 revision of FortiGuard’s MaxMind GeoLite2 database (MMDB) for FortiOS 5.4-powered security appliances. Designed to enhance location-based security policies, the package improves detection accuracy for 37 new autonomous system numbers (ASNs) and updates geolocation mappings for 5G mobile network deployments observed in Q1 2025.

Compatible with FortiGate 60D/80C/90D series firewalls and FortiAnalyzer 200B log management systems, this update requires ​​FortiOS 5.4.12 or later​​ with active FortiCare contracts. The revision addresses 19 obsolete IP range assignments and introduces support for Starlink’s LEO satellite network geolocation tracking.

Key Updates and Policy Enforcement Enhancements

1. Expanded Network Infrastructure Recognition

  • Adds 412 new IPv6 prefixes from APNIC and RIPE NCC allocations
  • Maps 57 cloud-edge computing nodes from AWS Local Zones and Azure Edge
  • Identifies 23 new mobile carrier networks in Southeast Asia’s 5G rollout

2. Security Policy Optimization

  • Reduces latency by 22% in location-based access control list (ACL) processing
  • Enhances Tor exit node detection with 89 new relay fingerprints
  • Improves accuracy for dual-stack (IPv4/IPv6) geolocation matching

3. Enterprise Network Visibility

  • Tags 1,243 new industrial IoT gateways in manufacturing IP ranges
  • Classifies 78 additional SD-WAN POP locations from major service providers
  • Updates 459 corporate network ranges affected by M&A activities

Compatibility Matrix

Supported Devices Minimum Firmware Required Storage Subscription Tier
FortiGate 60D/80C/90D 5.4.12.1234 512MB FortiCare Essential+
FortiAnalyzer 200B/300C 5.4.10.5678 1GB Log Retention Package
FortiManager 100A/200B 5.4.11.9012 768MB Central Management Add-on

​​Deployment Notes​​:

  • Incompatible with legacy FortiGate 30B/50A models
  • Requires DNS resolution to fortiguard.com for integrity verification
  • Must disable “Accelerated Geolookup” feature during installation

Subscription-Based Access Protocol

This database update is distributed exclusively through Fortinet’s Security Fabric ecosystem. Licensed administrators may:

  1. ​​Automated Deployment​​: Enable scheduled updates via FortiManager’s Centralized GeoIP Sync
  2. ​​Manual Retrieval​​: Download through FortiGuard Distribution Network (FDN) portal after identity verification
  3. ​​Emergency Patch​​: Request expedited delivery via FortiCare Premium 24/7 support

For authorized network engineers requiring immediate access:

Visit Fortinet GeoIP Update Portal to validate subscription status and initiate secure download. Critical infrastructure operators may contact FortiGuard Labs’ Network Intelligence Team for custom deployment scripts.

Technical specifications derived from FortiOS 5.4.12 Release Notes (FG-TI-25-045) and MaxMind GeoLite2 Database Documentation. All deployment methods require active FortiCare service contracts.

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