Your Firewall Already Saw the Attack: Bringing AI Detection to Network Logs
Endpoint agents are good at seeing what happens on a machine. But a lot of an attack happens between machines: the scan that finds an exposed servic…
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Spoofing WiFi MAC Addresses with a Windows Kernel Driver
1. What a MAC address is A MAC address is six bytes. Convention writes them as hex pairs separated by colons: A4:5E:60:C3:1B:07 The first three byte…
NAT Gateway vs VPC Endpoints: Which Path Should Your Private AWS Traffic Take?
Private subnets are one of the first good habits you learn in AWS. Put your EC2 instances, containers and databases where the internet cannot start…
Wi-Fi or VPN sign-in failing after a Windows update? What to check
When a user says their Wi-Fi or VPN stopped working after an update, there are quite a few things to check. Drivers, connection profiles, credential…
SQL Server for Genetec Security Center
When a Security Center system slows down, the first suspect is usually the Archiver and the second is the network. In my experience the database is…
Who Decides When a Windows Application Needs the Internet?
Your computer may be communicating with remote systems even when you are doing nothing that requires the internet. The applications may be legitimat…
[Tailscale] Complete Guide to VPN Connection to Home LAN with Subnet Router
Accessing Your Home LAN from Outside with Tailscale Subnet Router I want to access my home NAS or server while away from home. But VPN setup is diff…
Troubleshooting Video Calls on a VPN: Separate Device, Network, and Meeting-Platform Factors
Adapted from VPN and Video Calls: Realistic Expectations by Mohammad Hesameddin Montazerilisar, published July 9, 2026 and updated September 27, 202…
Why Wi-Fi 7 Needs a 2.5G Port: Seeing the Wired Link Behind the Wireless Through a NAS Transfer
Wi-Fi 7 devices come with a 2.5G Ethernet port for a reason: once the wireless side can push much more throughput, the old gigabit wired link stops…
Addressing Uneven Kubernetes Knowledge: Deepening Critical Areas for Platform Engineering Strength
Bridging the Expertise Gap in Kubernetes and Platform Engineering Achieving mastery in Kubernetes and platform engineering demands more than broad f…
Experienced Developer Seeks Freelance Transition Strategies for Web Apps and Shopify/E-commerce Development
The Freelance Transition Challenge: Bridging the Portfolio Gap For experienced developers eyeing the freelance world, the absence of a dedicated por…
Windows 11 Dropping Wi-Fi on Boot? Blame Your VPN Kill Switch
Every developer has a familiar morning ritual: power on the workstation, grab a fresh cup of coffee, fire up the terminal, and wait for local contai…
Securing Citrix NetScaler: A Checklist for Operators, Including OT
If you run Citrix NetScaler ADC or Gateway, you need to do three things now: Install the fixed builds (14.1-73.37 or 13.1-64.23, or the correspondin…
How Kubernetes Actually Schedules Your Pod (and What the Network Does After)
At some point kubectl apply stops being magic and becomes a question: something decided which node runs this pod, something wired its traffic, and I…
System Design: How to Build a Networking Library Like Retrofit or OkHttp
System Design: How to Build a Networking Library Like Retrofit or OkHttp Networking is one of the most important infrastructure layers in a modern A…
DoH JSON from the browser: 5 ways Cloudflare and Google differ
Two public resolvers answer DNS queries over HTTPS in JSON: Cloudflare at https://cloudflare-dns.com/dns-query and Google at https://dns.google/reso…
A new server gets its first unsolicited packet in 3.77 seconds
I rented a $6 server, gave it a fresh IPv4 address nobody had used before, and started a stopwatch. The first unsolicited packet arrived 3.77 second…
Dev log #23 Polishing the stack: Diagrams, async shutdowns, and a whole lot of code reviews
Hi, glad you found your way here. I'm Yash, a developer who contributes to open source, mostly p2p networking and AI tooling. Each week I write up w…
How ACME HTTP-01 and DNS-01 Challenges Work Internally
Automated TLS certificate issuance looks simple from the outside. An ACME client requests a certificate, a certificate authority creates a challenge…
Deep Dive: Precision Timing Subsystem Modules & IEEE 1588 ArchitectureIn modern distributed computing
Here is a complete, publication-ready Medium article based on the guide to Precision Timing Subsystem Modules and IEEE 1588 architecture.Deep Dive:…
What Really Happens When You Type a URL and Press Enter?
You open your browser. You type: https://example.com Then you press Enter . Within a few seconds, a webpage appears on your screen. It feels like a…
Sizing the Subnet: What Nobody Tells You About Microsoft Foundry Agent Service Networking Until Production Falls Over
Sizing the Subnet: What Nobody Tells You About Microsoft Foundry Agent Service Networking Until Production Falls Over You provisioned a Foundry Agen…
Internet Archive Switzerland
The Swiss Internet Archive Mirror and Parallel Processing: What It Teaches Us About Vision Training A new mirror of the Internet Archive launched in…
Central NAT on FortiGate: what changes, what breaks, and the order you have to do it in
First note in a series on cross-vendor firewall migration: where two platforms disagree, verified against vendor docs and real migrations. If you ar…
Azure Virtual Network Routing Appliance: peering performance, hub-and-spoke control
Yet another routing appliance? The name of this new Azure service is confusing. Is it a sort of NVA? A new kind of routing engine? No, the name tell…
The Architecture of Live Video Streaming: How HLS, DASH, and CDNs Actually Work
Live video streaming has become the backbone of modern entertainment infrastructure. Whether a user is watching a football match, joining a video co…
Demystifying Cloud in a Bottle: A New Approach to the Self-Hosted Stack
Introduction to the Modern Self-Hosting Frontier Self-hosting has long been the domain of the dedicated sysadmin, characterized by endless Docker Co…
An Old Trick in Networking, Rediscovered by AI
Open a chat interface and ask it to write you a function, and you'll get an answer in a few seconds — maybe it works, maybe it doesn't. Either way,…
Yokhash Meets VPC: Exploring Amazon Virtual Private Cloud ☁️
📝 Introduction What is the AWS service? Amazon VPC (Virtual Private Cloud) is a networking service that lets you create your own logically isolated…
Exploring AWS Transit Gateway
Theebikasri Meets Transit Gateway: Exploring AWS Transit Gateway Introduction Cloud computing has changed the way organizations build and manage the…