Author Archives: Manny Fernandez

I have been in the networking and security field for over 27 years. I started working for resellers back in the Novell days. I obtained my CNE, Master CNE, GroupWise CNE and later moved on to Microsoft with the MCSE. I have obtained numerous industry certifications from Palo Alto, Cisco, Checkpoint, Juniper, RSA, Fortinet, Linux and other. I have worked on every firewall produced since the 1990's from Novell's Border Manager to IP Tables to FortiOS and everything in-between. I have either migrated to or from all of these platforms. It is my passion. I love what I do so I do not consider it work. Today I work for a manufacturer. By far, I enjoy this side much more so hope to continue doing so.

How we used Fortinet to host a CTF (Capture the Flag)

Every years, the South Florida ISSA puts on a Capture the Flag / Chili Cook Off event.  For the past…

By Manny Fernandez

September 7, 2019

VPN Hair-Pinning on Fortigate Firewalls

Here is an issue I get questions about all the time. Use Case Customer has two VPNs. Customer wants to…

By Manny Fernandez

September 3, 2019

Reverse Path Forwarding on Fortigate Firewalls

What is spoofing?  Back in the days of security being on routers via ACLs, we would regularly fool the routers…

By Manny Fernandez

September 2, 2019

My macOS Apps for 2019

In this post, I will go over some of the macOS Apps I use regularly to keep my sanity.  …

By Manny Fernandez

August 28, 2019

FortiOS Rollback Procedure After an Upgrade

Once again, Matt Sheriff shared a great post on performing a rollback after an upgrade.  This has been in my…

By Manny Fernandez

August 28, 2019

Sudo Command in FortiOS

Any Fortinet administrator that uses Fortigates with VDOMs will tell you that sometime, you need to jump back and forth…

By Manny Fernandez

August 28, 2019

Single Sign On with Fortigate VPN

As many of you know, RDP (Remote Desktop) is a huge problem today.  Some of my customers demand that we…

By Manny Fernandez

August 27, 2019

Conditional DNS Forwarding with FortiGate and FortiProxy

Today I was working with a customer that was running FortiProxy in a Proof-of-Concept.  One of the requirements was to…

By Manny Fernandez

August 20, 2019

Installing FortiClient on Ubuntu Linux for SSL VPN

I ran Windows as my main Desktop OS for many years.  When XP came out, I decided to move to…

By Manny Fernandez

August 11, 2019

Managing Guest Users in Fortigate Firewalls

Sometime, a company may want to create guest users for wireless or wired connections.  Additionally, companies may want to have administrators with…

By Manny Fernandez

July 25, 2019

Fortitoken Push Notification without FortiAuthenticator

One of the great features of the Fortigate Firewall platform is its versatility.  Aside from having an Ethernet Switch and…

By Manny Fernandez

July 15, 2019

Web Content Quota on Fortigate

Sometime, you may want to block the amount of a particular web content by either time or bandwidth used.  Here…

By Manny Fernandez

July 15, 2019

Adding Multiple Calendar Invites at Once

In the next couple of weeks, I will be traveling for some company training.  I wanted to add the agenda…

By Manny Fernandez

July 14, 2019

Fortigate Script for Adding Countries

Working with Fortigates, you may want to have all the countries predefined in the address list so that you can…

By Manny Fernandez

June 30, 2019

Forticlient Review

A colleague of mine, put together a great video review of Forticlient.   https://www.youtube.com/watch?v=bNehiBzd9pA  

By Manny Fernandez

June 21, 2019

Fortimanager – Dynamic Interfaces and how to use them

Fortimanager is a centralized configuration and management solution for Fortinet devices.  Although the ENTIRE line of Fortinet product are not…

By Manny Fernandez

June 20, 2019

Useful Fortiswitch CLI commands and settings

So I "grew up" on the Cisco CLI.  Later moved to Linux and loved it.  I am now on a…

By Manny Fernandez

June 8, 2019

Installing Observium to Monitor SNMP enabled devices

Observium is a fantastic solution to monitor network devices.  It has a map where you can enter the physical address…

By Manny Fernandez

June 4, 2019

Troubleshooting Fortigate HA

Updated 20190602 Whe you have two Fortigates and you have configured them in HA, we sometimes see issues where they…

By Manny Fernandez

June 2, 2019

Using Hazel In My Daily Workflow

It is no secret that I run macOS. I love the flexibility.  I used to run Linux (Fedora for 4…

By Manny Fernandez

May 24, 2019

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