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Mergy Dot Org Active Posts Index

IT Systems To Functions HeatMap Tool

Just a sample of the beginnings of what an organizations map could look like The initial systems to functions heatmap tool concept was really brought to me in an engagement with Rippleworks and the amazing Anisha Vaswani. I took the initial concept Anisha modeled for me and ran with it a bit for nonprofits. The concept is actually pretty simple. You isolate the departmental functions of the...

SSH Honeypot Cowrie Session Video

I had a ssh honeypot running a few months ago for a couple of weeks and while most session playbacks are just rapid fire scripts from bots trying to plant crypto mining software, I did have a few humans kicking around in there. I had a colleague login and kick the tires and shared the video back to him. Here is the video to give you a sense of what the ssh session looks and feels like. Disclaimer...

Fixing the fail2ban filter for Postfix unverified address / user unknown spam attacks

For whatever reason, the default distributed postfix filter I had on my fail2ban setup on ubuntu was not triggering on: 450 4.1.1 Receipient address rejected: unverified address: unknown user mail.log errors. The failregex line was in there for it, but it wasn’t hitting on the endless dictionary attack random attempts from spammer servers across the world. This was annoying because, in...

Setting up a killswitch for attacks with ufw and fail2ban on Linux

Who doesn’t love fail2ban? I know I do. If you look at logs and see the constant and acceleration of the server attacks on the internet from the massive resources across the world doing nothing but trying to takeover your servers for crypto currency mining, ransomware, or to help aid criminal phishing attacks, you’re probably using fail2ban in some form. If you are using fail2ban to...

Workaround for the Jitterbit Harmony Studio with NetSuite Custom Segments Issue

I’ve run Jitterbit Harmony with various integrations for a few years now and have had no issues until recently selecting Custom Segment objects from NetSuite for searches, upserts, etc. I’m unsure if NetSuite 2019.1 changes, the NetSuite API changes, or recent versions of Jitterbit Harmony Agents and Studio have caused the recent problems around the inability to select NetSuite Custom...

Strategic IT Consulting and Implementation Services