🛡 SheynShield Quick Tech Notes: Fortinet Security Fabric & OT Integration (NSE 7)

📌 AUTOMATION & DIAGNOSTICS
• Best Practice: Use sequential mode for restoring .pkg signature files & offline license tasks.
• Max Stitches Tuning:
config system automation setting
set max-concurrent-stitches 128
end

• CLI Diagnostics:
diagnose test application autod
diagnose debug application autod -1
diagnose debug enable

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📌 DYNAMIC THREAT FEEDS (STIX/TAXII)
• Max File Size: 10 MB (FGT-100F) up to 500 MB (FGT-200F)

• Max Entries: 131,072 entries

• Limits: 512 Global / 256 per VDOM (Verify: print tablesize)

• Syntax Rules:
- Wildcards: *.google.com
- IPv4/IPv6 Ranges: CIDR notation (No brackets for IPs)
- IPv6 URLs: Must use brackets -> http://[2001:db8::1]/ip.txt

• CLI Check:
diagnose firewall dynamic list

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📌 PURDUE OT MODEL (IEC 62443)
• Level 0: Physical Processes (Sensors/Actuators)

• Level 1: Basic Control (PLCs/RTUs)

• Level 2: Supervisory Control (SCADA/HMIs) -> FortiGate & FortiSwitch

• Level 3: Manufacturing Operations (MES/Historians)

• DMZ & Level 4: Enterprise Network (NGFW / IPS / SIEM)

• Change Purdue Level Memory Settings:
diagnose user-device-store device memory ot-prudue-set max ip level <level>

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🔗 Full Video Tutorials & Labs on YouTube:
youtube.com/@sheynshield

#Fortinet #NSE7 #SecurityFabric #OTSecurity #CyberSecurity #SheynShield