banner
img

macGREP, a grep building app for your macOS

Manny Fernandez

I have been playing with all forms of grep and decided to create an app that will assist in building...

Read More
img

macOS XProtect: How Apple’s Built-In Malware Defense Actually Works

Manny Fernandez

Three engines, two bundle locations, two update pipelines, and the commands to verify all of it Objective Understand every moving...

Read More
img

ITsecur Firewall for Webmin: A Point-and-Click IPTables GUI

Manny Fernandez

2026 refresh of the original IPTable Firewall GUI post | By Manny Fernandez In this guide Executive Summary Prerequisites and...

Read More
img

Proxmox VE: Creating a User That Can Only Touch the VMs You Choose

Manny Fernandez

Executive Summary Objective: Create a Proxmox VE user who logs in, sees only a specific set of virtual machines and...

Read More
img

Red Team Tool Series: Nmap Zero to Hero: Install, Scan, and Tune Like a Practitioner

Manny Fernandez

In this guide Executive Summary Prerequisites and Lab Architecture Installing Nmap on macOS Installing Nmap on Linux How Nmap Thinks:...

Read More
img

RFC 1918 Private Address Space: The Practitioner’s Guide

Manny Fernandez

Every network engineer has typed 192.168.1.1 into a browser, and almost nobody has read the short document that makes that...

Read More
img

SED and AWK for FortiGate Configs: Surgical Edits, Inventories, and Migrations from the Shell

Manny Fernandez

Read, audit, rewrite, and generate FortiOS configuration with two tools you already have. Executive Summary Objective: Use two tools that...

Read More
img

Reading a Packet Capture to Troubleshoot Slow Application Performance

Manny Fernandez

Executive Summary Objective: Turn "the app is slow" into a measured answer. Every slow transaction breaks down into network delay...

Read More
img

HopMatrix: A great little tool packed with features

Manny Fernandez

Executive Summary Objective: Get HopMatrix installed, verified, and working across all eight of its modes, then fold it into a...

Read More
img

diagnose firewall iprope: Reading the FortiGate Policy Engine From the Kernel Up

Manny Fernandez

What the kernel actually enforces, how to read it, and the troubleshooting workflows that make it worth knowing Executive Summary...

Read More
img

FortiGate Cloud SD-WAN Overlay: Hub-and-Spoke Orchestration Without a FortiManager

Manny Fernandez

Build an ADVPN overlay across your branches from the FortiGate Cloud portal, with Fortinet-hosted hubs and transactional config push. Executive...

Read More
img

Configuring RIP on FortiGate: Neighbors, Authentication, and Route Control

Manny Fernandez

Executive Summary Objective: Stand up RIPv2 between two FortiGates, advertise their LANs, lock the adjacency down with MD5 authentication through...

Read More
img

Hashing Files on macOS with Built-In Commands

Manny Fernandez

Generate and verify MD5, SHA-1, SHA-256, and SHA-512 hashes from Terminal using nothing but what ships on every Mac. Objective:...

Read More
img

Understanding the output of “dia debug app ike” on a FortiGate Firewall

Manny Fernandez

Executive Summary Every FortiGate IPsec write-up tells you to run diagnose debug application ike -1 and move on. That works,...

Read More
img

“diagnose ip route match”: The FortiGate Kernel Route Lookup, Decoded

Manny Fernandez

Executive Summary get router info routing-table all tells you what the routing daemon believes. diagnose ip route match tells you...

Read More
img

Mastering grep on the FortiGate CLI: Every Switch, Explained

Manny Fernandez

If you live in the FortiGate CLI, grep is the difference between scrolling through 4,000 lines of show output and...

Read More
img

Follow the SNI: Troubleshooting SSL/TLS Connections on FortiGate

Manny Fernandez

Using Server Name Indication to diagnose broken sites, missed exemptions, and mis-categorized HTTPS traffic Executive Summary When an HTTPS site...

Read More
img

Wildcard FQDNs on FortiGate: CDNs, Web Filter, and SSL Exemptions

Manny Fernandez

Executive Summary Item Detail Objective Explain how a FortiGate populates a wildcard FQDN address object when the domain is served...

Read More
img

Fixing a sluggish macOS Dock

Manny Fernandez

Speed Up the Dock via TerminalOpen the Terminal app (press Command + Space, type "Terminal", and hit Return). Paste the...

Read More
img

Installing the Argus OSINT Framework on macOS

Manny Fernandez

Executive Summary Argus (jasonxtn/Argus) is a Python based, all in one reconnaissance toolkit built around a single interactive CLI shell...

Read More