Tagged: FortiManager
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PEERSTITCH: What a FortiManager Compromise Leaves Behind After You Patch It
Unit 42 describes a memory-only FortiGate implant, PEERSTITCH, deployed after a FortiManager breach and a CVE-2025-61624 privilege escalation. The patch closes the doors. It does not revoke what was already stolen.
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Wearing Someone Else's Certificate: CVE-2026-70468 and FortiManager's FGFM Trust Model
A specific CLI option, a valid certificate, and a crafted FGFM request are enough to let one managed FortiGate impersonate any other in the eyes of its FortiManager. CVE-2026-70468, and what it says about certificate trust in a one-to-many management protocol.
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Local Internet Breakout in Practice: SDWAN Zones, Rules, and a Multi-VRF Guest Wi-Fi Walkthrough
How SDWAN zones, members, and performance-SLA rules actually decide where a session breaks out — and a full walkthrough of giving Guest Wi-Fi its own VRF, its own zone, and a local internet path that never touches the corporate tunnel.
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Fortinet SDWAN Hub Placement Part 1: The Traditional Model — Hubs in the DC
Why hubs traditionally sit in the DC, the job they actually do there, how they protect FMG/FAZ, and how BGP on loopback ties it together. Part 1 of a series that goes on to challenge the assumption that the hub belongs in the DC at all.
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Fortinet SDWAN Hub Placement Part 2: The MSSP Shift — When the Hub Becomes Customer-Centric
What changes when one FMG/FAZ pair manages many customers through ADOMs: the hub stops being "the DC's hub" and becomes a per-customer design decision, with its own routing domain, AS plan, and placement logic.
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NSE5 Exam Syllabus: Study Roadmap (Part 1 of 10)
Part 1 of a 10-part study series for the Fortinet NSE 5 / FCP FortiManager Administrator certification. Covers the exam logistics, the official curriculum grouped into topic buckets, and the roadmap for the rest of the series.
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NSE5 Part 10: Advanced Features and Integrations
Part 10 — the final post in the NSE5 study series. Covers the advanced features that make FortiManager more than a config pusher: FortiGuard distribution, scripting, the JSON-RPC API, SSO, and FortiAnalyzer integration.
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NSE5 Part 2: Initial Configuration and System Settings
Part 2 of the NSE5 study series — covers the day-one FortiManager configuration: network, admin access, system time, DNS, FortiGuard, OFTP, the on-disk file structure, and the diagnostic commands worth memorising before anything else.
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NSE5 Part 3: High Availability
Part 3 of the NSE5 study series — covers the FortiManager HA cluster: primary and secondary roles, the sync mechanics, monitor IPs, manual vs automatic failover, and what to do when the cluster splits.
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NSE5 Part 4: Administrative Domains (ADOMs)
Part 4 of the NSE5 study series — covers Administrative Domains: normal vs advanced ADOMs, version locking, ADOM modes, RBAC scope, and the per-ADOM revision history that underpins the rest of the FortiManager workflow.
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NSE5 Part 5: Device Registration and Provisioning
Part 5 of the NSE5 study series — covers device registration: the FGFM tunnel, manual vs automatic registration, model devices, zero-touch provisioning, and the install operations that turn a registered device into a managed device.
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NSE5 Part 6: Device-Level Configuration and Templates
Part 6 of the NSE5 study series — covers the FortiManager template engine: provisioning templates, CLI templates, SDWAN, IPsec, and certificate templates, and how they compose into a single per-device install.
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NSE5 Part 7: Policy and Objects
Part 7 of the NSE5 study series — covers ADOM-level policy management: policy packages, the object database, dynamic objects, install previews, install logs, and the cleanup workflows that keep the database lean.
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NSE5 Part 8: Workflow, Workspace Mode and Revision Control
Part 8 of the NSE5 study series — covers workspace mode and the workflow approval engine: ADOM locking, read/write sessions, the workflow state machine, and how to recover an ADOM that two admins are fighting over.
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NSE5 Part 9: Diagnostics and Troubleshooting
Part 9 of the NSE5 study series — covers the FortiManager diagnostic toolbox: device-manager diagnostics, the FGFM tunnel, install-failure forensics, oftpd, packet capture, and the debug commands worth knowing under exam pressure.
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Building a FortiManager Lab on Proxmox — Part 1: Lab Goals, Compute Sizing and Proxmox Host Preparation
Part 1 of a five-part series on building a FortiManager lab on Proxmox. Covers lab goals, compute sizing for FMG and FGT VMs, host prerequisites, and a clean Proxmox 8.x baseline before the qcow2 build in Part 2.
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Building a FortiManager Lab on Proxmox — Part 2: Obtaining the Image, qcow2 Conversion and First Boot
Part 2 of the FortiManager-on-Proxmox series. Walks through obtaining the KVM image from the Fortinet portal, validating the qcow2 files, building the VM shell with the right machine type and SCSI controller, importing both disks, and first-boot verification.
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Building a FortiManager Lab on Proxmox — Part 3: Proxmox Networking, Linux Bridges, VLAN-Aware Bridges and SDN for the Lab
Part 3 of the FortiManager-on-Proxmox series. Designs the four-segment lab network, compares Linux bridges, VLAN-aware bridges and Proxmox SDN, walks through the /etc/network/interfaces shape, and explains why the lab bridges should never have an IP on the host.
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Building a FortiManager Lab on Proxmox — Part 4: A Lab Edge FortiGate VM in Front of FortiManager
Part 4 of the FortiManager-on-Proxmox series. Builds a FortiGate-VM as the lab edge in front of FortiManager, with four NICs mapped to the lab bridges, a scoped policy set, FortiGuard pinhole, local-in policy hardening, and the deny-with-log rule that proves the boundary works.
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Building a FortiManager Lab on Proxmox — Part 5: Registering Managed FortiGates, ADOMs and Policy Package Installs
Part 5 of the FortiManager-on-Proxmox series. Builds two managed FortiGate VMs, registers them via FGFM through the lab edge, splits them across two ADOMs, deploys a shared policy package with FMG, exercises revision history and rollback, and turns the lab into a snapshotted training platform.