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What Is EVPN and VXLAN? A Practitioner’s Primer

Manny Fernandez

A vendor-neutral deep dive into the control plane and the data plane that modern overlay networks are built on.* Why...

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The Most Common USB Plugs and Their Names: A Practitioner’s Field Guide

Manny Fernandez

If you have ever dug through a drawer full of cables trying to find the one that actually fits the...

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Know Your Plugs: A Practitioner’s Guide to Common AC Connectors

Manny Fernandez

In this article, I will cover the basic AC plugs you are bound to run into.  In "Know Your Plugs:...

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OSPF Primer: Message Types, Areas, and FortiGate Troubleshooting

Manny Fernandez

OSPF (Open Shortest Path First) is a link-state IGP that every network engineer eventually has to actually understand rather than...

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The Fortinet Support Tool: Installation and Use A practitioner guide to capturing GUI debug data for FortiCare tickets

Manny Fernandez

What the Fortinet Support Tool Actually Is There are two different things people mean when they say "Fortinet support tool,"...

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Deploying Cacti with NetFlow Support on Ubuntu Linux: Configuring Cisco, Fortinet and Juniper for Netflow

Manny Fernandez

A step-by-step deployment and configuration guide for building a Cacti monitoring server with the FlowView plugin for NetFlow, sFlow, and...

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Deploying NetFlow and sFlow on FortiGate (FortiOS 8.0) for Network Traffic Visibility with Cacti and FlowView

Manny Fernandez

1. Title and Executive Summary Objective: This guide walks you through configuring both NetFlow v9 and sFlow v5 export on...

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Securing the Gate with Security Profiles Series: Web Rating Override and Web Profile Override on the FortiGate Firewall

Manny Fernandez

1. The two features people keep confusing FortiOS ships two Web Filter capabilities whose names sound nearly identical but solve...

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FortiGate Threat Weight Tracking A practitioner guide to risk scoring, configuration, and tuning in FortiOS 7.x and 8.x

Manny Fernandez

1. What Threat Weight Tracking Is Threat Weight (sometimes called Threat Weight Tracking or Client Reputation in older code) is...

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FortiGate Security Rating and Vulnerabilities Tab: A Practical Walkthrough

Manny Fernandez

1. What Security Rating Actually Does Security Rating is a built-in posture assessment engine that runs on the root FortiGate of...

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Deploying Workflow Management on FortiGate: A practitioner deployment guide for policy change summaries, audit trails, and policy expiration

Manny Fernandez

What Workflow Management Actually Is On the FortiGate, "Workflow Management" is not an approval-routing engine. It is a System Settings...

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FortiGate WIDS: A Practical Deployment and Tuning Guide

Manny Fernandez

1. High-Level Overview The FortiGate Wireless Intrusion Detection System (WIDS) is the radio-frequency monitoring engine built into the FortiGate wireless...

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MIMO, 2×2 vs 4×4, and WiFi Standards: A Technical “Shallow” Dive

Manny Fernandez

What MIMO Actually Does Multiple Input, Multiple Output (MIMO) is the technique of using more than one antenna at both...

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The FortiOS Commands the Admin Guide Forgot

Manny Fernandez

A practitioner's tour of the diagnose, test, and fnsysctl corners of FortiOS that never made it into the official documentation....

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FortiGate Firewall Scheduling Deployment Guide: How to configure and use Schedules

Manny Fernandez

Overview FortiGate firewall schedules control *when* a firewall policy is active. Every firewall policy references a schedule object, and by...

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The Complete Guide to Ethernet and Fiber Cabling: Categories, Uses, and Limitations

Manny Fernandez

Cabling is the part of the network everyone forgets until it breaks. You can buy the fastest firewall and the...

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FortiGate Administrator Profiles: Access Control Reference

Manny Fernandez

Overview Administrator profiles (also called access profiles) are the role-based access control (RBAC) mechanism in FortiOS. A profile defines what...

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Disabling Auto Upgrade on FortiGate Firewalls

Manny Fernandez

Let me start by saying, if you do not have a mature patching mechanism where you are subscribed to the...

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Loomi: My First IOS App

Manny Fernandez

At work, they wanted us to keep track of activity.  I started doing the spreadsheet way.  Found it clunky especially...

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FortiOS 8.0: Custom Tags, Dynamic Tag Address Groups, and Policy Tagging

Manny Fernandez

Overview FortiOS 8.0 introduces custom tags as a first-class organizational and operational construct across the firewall object model. Tags can...

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