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Fortigate – DoS policy on WAN blocking VPN traffic

Applying a DoS policy on a WAN interface is a good practice that will help prevent flooding or abusive behavior from the internet.  However, there is an undesired side-effect of choosing a WAN interface as the source for a DoS policy: If there are any VPN tunnels...

Network module missing after Cisco 3850 switch upgrade

Network module missing after Cisco 3850 switch upgrade

We ran into an issue where a Cisco 3850 switch (3850-12X48U) lost the ability to use the its C3850-NM-8-10G network module after a firmware upgrade.  The module had been working for a few years prior to the upgrade.  We upgraded from 16.03.07 to 16.12.05 and upon...

Strengthen Your Human Firewall

Strengthen Your Human Firewall

Changing Landscape of Cyber Security Cyber Security has always been a moving target.  In the past, bad actors would hunt and search for their targets.  Due to the time it took to research, plan, and execute attacks, larger businesses were chosen to maximize the reward...

Congrats – Quintin Reineccius Passing Linux+ Cert

Congrats – Quintin Reineccius Passing Linux+ Cert

Advanced Data Encourages Certifications If you read our 3 part series on "Why We Love Continuing Education and Certifications" you'll understand why we get excited whenever one of our staff passes one. To us it doesn't matter which certification as long as the tech is...

How to Secure RMMs

Kaseya VSA Hack On Friday, a popular IT tool called Kaseya VSA was hacked.  The exploit was a "zero day" vulnerability, which means it was previously unknown by anyone in the cyber-security industry.  Kaseya VSA is a Remote Monitoring and Management tool (RMM) that is...

PrintNightmare

PrintNightmare

Yesterday a critical vulnerability with Windows operating systems was revealed. The exploit, called PrintNightmare, takes advantage of a weakness with the Windows Print Spooler service. In order to exploit this vulnerability, hackers would need to have access to a...

Congrats to Aaron Duckett  for  Passing Cisco CCNA

Congrats to Aaron Duckett for Passing Cisco CCNA

What excited you most about the material covered in this exam or cert? I was really hoping to learn more about technology in general. Prior to studying for the exam, I had an interest in networking, but no real knowledge. I was excited to expand into something that...

ERSPAN to Wireshark — and How to Fix if Not Working

ERSPAN to Wireshark — and How to Fix if Not Working

Packet Capture on a Remote Cisco Device Typically when I need to do a packet capture on a remote Cisco IOS/IOS-XE device, I use RSPAN to mirror that traffic someplace where a VM can receive the capture.  This week I learned a trick that allows much more flexibility!...

What Certs Should My IT Team Have?

What Certs Should My IT Team Have?

This post is part three to Why We Love Continuing Education and Certifications and How I Study for IT Certification Exams There's a genre of movie that's usually predictable, sometimes corny, but always endearing.  These are the movies where a group of misfit kids are...

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