Category Archives: Network

Syncing Sublime Text for macOS with iCloud

I have been playing with the free version of Sublime Text for macOS for years.  I mainly have been using…

By Manny Fernandez

October 21, 2024

IPv4 and IPv6 DHCP Options

DHCP Options When configuring DHCP in various system, you sometimes requires specific options such as when you configure Cisco Phones…

By Manny Fernandez

July 26, 2021

Built-In “IPerf” on the FortiGate Firewall

I happen to love iperf.  Iperf is a tool that has been around for a long time.  The idea is…

By Manny Fernandez

May 14, 2020

Deploying Grafana and Monitoring your AWS environment

Today I deployed Grafana in my lab environment.  I am hoping to to get this pulling from FortiAnalyzer in the…

By Manny Fernandez

April 1, 2020

VX-LAN over IPSec using Fortigate Firewalls

VXLAN is a tunneling protocol that encapsulates layer 2 frames into layer 3 UDP packets.  VXLANs allow you to create…

By Manny Fernandez

January 18, 2020

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

Fortigate DHCP and Microsoft Dynamic DNS

Remote branches that utilize Fortigate's DHCP do not update Microsoft DNS servers automagically.  Fortinet does not have a syncing feature…

By Manny Fernandez

May 22, 2019

UPDATED – Certificate Pinning you SSL VPN with Microsoft CA and Fortigate Forticlient Using ‘user’ certificates

Customer wanted to ONLY allow devices that are trusted devices (owned by the customer) to connect using the ‘Full Access”…

By Manny Fernandez

May 15, 2019

Creating SPAN port on Fortigate By: Brent Klespies

Here is a blog post from a friend and colleague Brent Klespies I had a customer wondering how to create…

By Manny Fernandez

May 8, 2019

Troubleshooting NAT on Fortigate Firewall

When you want to validate that the Fortigate is doing NAT properly, there are a few things you can do.…

By Manny Fernandez

May 3, 2019

Fortigate / Scrutinizer NetFlow Deployment

Today I had a customer talking to me about Netflow and the Fortigate.  To demonstrate the functionality, I decided to…

By Manny Fernandez

May 2, 2019

Perimeter Switch Configuration with Fortiswitch (Non-Fortilink)

One of the designs I normally do for customers when they purchase Highly Available firewalls is HA perimeter switches.  When…

By Manny Fernandez

May 1, 2019

Basic Deployment of FortiNAC – Part 1

FortiNAC, formally Bradford Networks was acquired by Fortinet in June of 2018.  Although Bradford was a great solution, joining the…

By Manny Fernandez

April 25, 2019

iperf for Network Geeks

Throughout my career (over 27 years as of the writing of this post), I have needed to identify where problems…

By Manny Fernandez

April 20, 2019

Using NMAP

On September 1, 1997, Nmap was first released in Phrack magazine Issue 51, Article 11.  Since then it has been…

By Manny Fernandez

April 7, 2019

Configuring Custom NTP Server on Fortigate

The Fortigate firewall comes pre-configured to use the Fortiguard time sources via NTP.  You can also configure the Fortigate to…

By Manny Fernandez

March 15, 2019

Connectors used in Networking

Here are some useful connectors. Note that I got them from random searches on Google. Power Connectors      …

By Manny Fernandez

March 8, 2019

Upgrading my ESXi 6.0 to 6.7

OK, I know. Crazy that I have a 6.0 ESXi server in my midst. The truth is, I do not…

By Manny Fernandez

January 8, 2019

SIPCALC

Anyone that has read my blog, knows I use sipcalc on my Mac. I used to use it on my…

By Manny Fernandez

November 21, 2018

Basic FortiSwitch Set Up

I recieved a FortiSwitch 248E-FPOE switch for my lab. The initial config is very similar to the Fortigate you can…

By Manny Fernandez

September 3, 2018

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