Monkey Bites – LLDP and LLDP-MED on Various Platforms
Manny FernandezLLDP; What is it The Link Layer Discovery Protocol (LLDP) is a vendor-neutral Layer 2 protocol (IEEE 802.1AB) used by...
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Monkey Bites – Forcing FortiGate Registration to FortiGuard Servers
Manny FernandezWhat it actually does When you run diagnose fdsm contract-controller-update, you are manually triggering the logic that syncs the FortiGate’s...
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Monkey Bites – SNAT Route Change
Manny FernandezMonkey Bites are bite-sized, high-impact security insights designed for the busy professional. These rapid-fire posts skip the fluff to deliver...
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macOS running in macOS with UTM
Manny FernandezI have run macOS in macOS with Parallels but a friend and colleague (Jason Kline) told me about UTM. Lets...
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FortiLink NAC or NAC Lite
Manny FernandezDon't be confused with my other FortiNAC posts where we discuss the full blown FortiNAC deployment, discovery, device profiling, etc. ...
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FortiNAC Device Profiling and Config Wizard – Session 3
Manny FernandezThis is the third session in a multi-part article on FortiNAC. In the previous ones we have (1) Installing it,...
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No compatible key-exchange method – SecureCRT and FortiGate
Manny FernandezToday I was configuring key-based authentication on a FortiGate in my lab. The idea was to use SSH key to...
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Netcat As A Tool
Manny FernandezNetcat, often called the "Swiss Army knife" of networking, was released in 1996 as a versatile Unix utility for reading...
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802.1X EAP Protocols Explained
Manny FernandezAt its core, IEEE 802.1X is a network layer protocol used for Port-based Network Access Control (PNAC). It provides an...
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FortiNAC Initial Inventory Discovery – Session 2
Manny FernandezIn case you did not see the previous FortiNAC post, we installed FortiNAC on ProxMox. We went through the initial...
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Basics of Wireshark – Session 5 – Address Resolution, GEO IP, and Annotations
Manny FernandezThis is our 5th session where we are going to cover address resolution, GEO IP, and Annotating a .pcapng. In...
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Basics of Wireshark – Session 4 – Where to Capture From
Manny FernandezNow that we have Wireshark installed and somewhat configured, lets discuss limitations. Although this article is not so much about...
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Basic of Wireshark – Session 3 – Capture vs Display Filters
Manny FernandezThe Philosophy of Packet Analysis Troubleshooting isn't about looking at every packet; it’s about noise reduction. In a high-traffic environment,...
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