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Uncovering Indicators of Compromise
This is the “newest” version of a paper and script I originally wrote as part of my SANS gold paper for the GCCC certification. The paper re-write was primarily in preparation for my presentation of...
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Installing Nagios XI on CentOS 7
First things first, why CentOS 7 instead of 6? Well, CentOS 6 has issues with Python updating because of yum. Yes, you can install a separate instance, but it’s not fun and it can break down the road....
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Why Net Neutrality Is Vital For Entrepreneurs
The battle over net neutrality rages on and it has far-reaching implications beyond the US. Anyone who knows or follows me knows I am a huge fan of net neutrality. I’m not saying it is the only way to...
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Nagios – ndo2db not running
Your Nagios server was shutoff unexpectedly and now you see the “database backend” with a red exclamation in the web GUI. The only thing you can do is try to start the process, but it comes back with...
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Monitoring pfSense with Nagios Using SSH – part 1
Monitoring pfSense with Nagios XI or Core Using SSH SeriesThis walkthrough will guide you through the process of monitoring your pfSense using SSH and Nagios. Though this was originally written with...
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Monitoring pfSense with Nagios Using SSH – part 2
Downloading and testing the checksIn the part 1, we setup password-less SSH. Now that we have a secure connection between the systems, we are quite a bit closer to securely running check commands using...
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Monitoring pfSense with Nagios Using SSH – part 3
Configuring the checks on Nagios XIThis is the third and final part to monitoring pfSense with Nagios XI using SSH. If you missed either of the previous parts, I’ve included them below. Note: If you’re...
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Monitor For Expiring SSL/TLS Certs with Nagios
We’ve all been there. Your SSL/TLS certificate on your webserver, mail server, or <insert service name here> has expired and your users are miffed!!! Expiring SSL/TLS certificates have been a...
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