Infrastructure Engineering: Systems, Networking, Databases & the Internet
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Network architecture, internet protocols, database and systems design, and the infrastructure engineering decisions that determine whether real production systems hold up under load.
nmap Vulners Script: Quick Vulnerability Scanning on macOS
This is a very short post to help anyone quickly setup vulnerability checking for a site they own (and have permission to scan). I like the vulners scripts as they cover a lot of basic ground quickly with one script.
Read more →SYN Flood Testing With hping3: Parallel Processes Guide
A SYN flood test using hping3 that allows you to specify the number of SYN packets to send and scales horizontally with a specific number of processes can be created using a Bash script with the xargs command. This approach allows you to distribute the workload across multiple processes for better performance. The Script This […]
Read more →NMAP + Claude MCP: 20 Vulnerability Scans on macOS
Introduction NMAP (Network Mapper) is one of the most powerful and versatile network scanning tools available for security professionals, system administrators, and ethical hackers. When combined with Claude through the Model Context Protocol (MCP), it becomes an even more powerful tool, allowing you to leverage AI to intelligently analyze scan results, suggest scanning strategies, and […]
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ESB vs Kafka: Why Microservices Are Replacing Enterprise Buses
1. Introduction The Enterprise Service Bus (ESB) once promised to be the silver bullet for enterprise integration. Organizations invested millions in platforms like MuleSoft, IBM Integration Bus, Oracle Service Bus, and TIBCO BusinessWorks, believing they would solve all their integration challenges. Today, these same organizations are discovering that their ESB has become their biggest architectural […]
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Dublin Traceroute on macOS: Install & Usage Guide
Modern networks are far more complex than the simple point to point paths of the early internet. Equal Cost Multi Path (ECMP) routing, carrier grade NAT, and load balancing mean that packets from your machine to a destination might traverse entirely different network paths depending on flow hashing algorithms. Traditional traceroute tools simply cannot handle […]
Read more →SYN Flood Testing with hping3: A Practical Guide
Getting an application knocked out with a simple SYN flood is both embarrassing and avoidable. Its also very easy to create a SYN flood and so its something you should design against. Below is the hping3 command line that I use to test my services against SYN floods. I have used quite a few mods, […]
Read more →Scan Your Local Network With Nikto and Nmap on macOS
Nikto is becoming one of my favourite tools. I like it because of its wide ranging use cases and its simplicity. So whats an example use case for Nikto? When I am bored right now and so I am going to hunt around my local network and see what I can find… Now lets pop […]
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Browser curl Wrapper: Bypass Bot Filters, Load Test, and Defeat TLS Fingerprinting
WordPress Plugin Crashed Your Site: Restore From Backup Instead You updated a plugin five minutes ago. Maybe it was a security patch. Maybe you were trying a new caching layer. You clicked “Update Now,” saw the progress bar fill, got the green tick, and moved on with your day. Now the site is down. Not […]
Read more →curl Command: Get HTTP Response Headers in Terminal
Web devs need to know the http headers their apps/webpages. This can be easily achieved using a browser plugin for Chrome or Firefox. But I prefer to use the command terminal, and curl makes this really easy.
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AI vs Salesforce: The True Cost of Enterprise CRM in 2025
When a $3 API call can replace a $165 per user per month platform, the financial mathematics of enterprise software fundamentally change. 1. The New Economics of Customer Engagement Something fundamental shifted in 2024. The capabilities that once justified six and seven figure enterprise software contracts became commoditised overnight. Not gradually, through slow competitive erosion, […]
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Migrating a Pi 5 WordPress Stack from SD Card to NVMe
I run a full WordPress stack on a Raspberry Pi 5 sitting on my desk: MariaDB, PHP-FPM, Nginx, and Redis, all inside Docker containers, served publicly through a Cloudflare tunnel. After fitting an NVMe SSD via the Pi 5 HAT+, the obvious next step was getting Docker off the SD card entirely. The SD card […]
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Bulk Domain Availability Check via CLI (Bash + Python Only)
You have a list of 50 domain name ideas. Maybe you are launching a product, picking a brand, or trying to find something halfway decent that has not already been squatted. Whatever the reason, typing them one at a time into a registrar search box is not a workflow, it is punishment. This post shows […]
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