Team Management

Kubernetes Migration: Seeking Guidance and Collaboration for Ingress to Gateway API Transition

Introduction: Navigating the Ingress to Gateway API Migration in Kubernetes The Kubernetes ecosystem is undergoing a pivotal transformation, with netw…

Dev log #14 Hardening the DHT against Eclipse attacks and the endless battle with flaky p2p tests

Dived deep into libp2p security this week with a new IP subnet diversity feature for the Kad-DHT, while fighting a few stubborn race conditions in the…

Building an Aruba Central Producer in Go: Four API edge cases we had to solve

A deterministic infrastructure collector sounds straightforward: authenticate, call the API, normalize the response, and write JSON. Enterprise APIs q…

DEV WEEKEND with AWS Student Builder Group, QAU Islamabad

Spent 3 days at Quaid i Azam University Islamabad for DEV WEEKEND, organized by the AWS Student Builder Group. What was covered: Tech career journeys …

I'm a Dev Who Barely Knows the Kernel. Here's How I'm Learning How to Track a Packet with pwru

Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is free and source-available on Github. Star git-lr…

Introducing RegionCheck: Test Endpoints from AWS, Azure, and Google Cloud Regions

Today I'm excited to launch RegionCheck , a tool for testing, monitoring, and debugging endpoints from cloud regions around the world. The idea is sim…

Why WHOIS is Deprecating and How to Use RDAP in Java

The Problem with WHOIS For decades, the WHOIS protocol was the go-to solution to check domain ownership, IP address allocations, and Autonomous System…

One Tap, Public URL: Building an Android App for Secure Port Forwarding

As developers, we've all been there. You have a web server, API, dashboard, or IoT service running locally, and you need to share it with someone outs…

Why Advanced Industrial Protocols Give Raw Sockets the "Silent Treatment"

By RUGERO Tesla ( @404saint ) When I first ditched high-level libraries like pyModbus to build my own socket-based protocol toolkit, my goal was simpl…

IPv6 over drainage pipe

AI Agent Cannot Reach Peer on Another Cloud? Here's the Fix

You spin up an agent on AWS. It needs to call a tool-serving agent your teammate deployed on GCP. You get connection refused , or worse, a silent time…

Building Lens: A Transparent Network Introspection Tool in Rust

Building Lens: A Transparent Network Introspection Tool in Rust One of the most frustrating parts of debugging modern applications is understanding wh…

built a self-deploying DNS Firewall Appliance for ISPs (ISO + 3D Dashboard)

If you've ever managed network infrastructure for an Internet Service Provider (ISP) or a large corporate network, you know that DNS is the Achilles' …

Fixing the 550 SPF Check Failed Error: A Technical Step-by-Step Troubleshooting Guide

Understanding the 550 SPF Check Failed Error The "550 SPF Check Failed" error indicates that a receiving mail server rejected an incoming email. This …

I built one iOS app that controls four different Hisense smart-TV platforms — here's how each protocol works

The problem My Hisense remote died last year and I went down a small rabbit hole trying to find a single iOS app that worked across all the Hisense sm…

I wanted a Go networking engine that gets out of the way, so I built one (Breeze).

Over the past few months, I've been working on Breeze, a networking engine built on top of gnet. The goal wasn't to create "another web framework." Th…

Plug-and-Play APIs: How Telecom Operators Are Reducing Integration Time by 80%

If you've worked anywhere near telecom systems integration, you've probably seen some version of that 80% number floating around in a vendor deck or c…

Network Protocols for Network Management

Here is the fully consolidated, comprehensive master list of network protocols and standards dedicated strictly to Configuration, Monitoring, Reportin…

The Digital Nomad’s Dilemma: Escaping VPN Blocks with a Zero-Config Residential Gateway

Working remotely from anywhere is appealing in theory, but in practice, network access often becomes the limiting factor. A growing number of services…

Simulating 2G to build an offline-first sync engine in Rust for rural clinics

hey dev.to, so I am Mathéo, a 2nd year CS student at EPITECH Nancy (France). I want to share a project I have been building for the last few months: Z…

AI Agents Are the Best Thing to Happen to Network Administration Since SDN

AI Agents Are the Best Thing to Happen to Network Administration Since SDN A single API key, an AI agent, and a router behind a double-NAT in Southeas…

How Myanmar Blocks Tailscale — and How to Beat It

A government blocks a VPN with a one-line SNI rule. The fix is a custom relay on port 443. Tailscale could make this trivial for millions — but they h…

Stop the Leak: How I Built a Zero-Trust Kill Switch for Windows Using Only PowerShell

The Problem If you've ever audited your Windows network traffic during a boot-up sequence, you know the truth: there's a "blind spot." Between the mom…

Why Every Developer Should Attend Tech Week at Least Once

Last week, Toronto hosted Tech Week. A city-wide celebration filled with events and workshops revolving around the Technology sector. I had such a gre…

pingtrace 1.0: why I rewrote from npm to Go

In March I shared the first version of pingtrace here on DEV. That version answered the initial question: could I make the first minutes of a network …

Why standard speed tests aren't enough (and why I open-sourced my own iOS network auditor)

If you've ever dealt with real time pipelines, you know the frustration: severe jitter or micro disconnections completely ruin the experience, but sta…

My Struggles as a Software Engineer in 2026

This post is adapted from my YouTube vlog, " My Struggles as a Software Engineer in 2026! " I started my journey to become a software engineer two yea…

Embedding sing-box in an iOS messenger to bypass Russian DPI (no VPN)

Embedding sing-box in an iOS messenger to bypass Russian DPI (no VPN) Our HTTPS API was timing out and our WebSocket refused to upgrade for a growing …

I built a Redis clone in C: From blocking I/O to epoll to crash safe persistence

I had been hearing about sockets, TCP connections, and networking for years without truly understanding what any of it meant at the code level. Buildi…

Introduction to Amazon Route 53: The Cloud DNS That Powers Global Applications

Ever spent 3 hours debugging why your new SaaS launch is showing a 404 for half your global users, only to realize you messed up a DNS record update t…