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Curated developer articles, tutorials, and guides — auto-updated hourly
Zamira Dzhatdoyev6d ago • 6 min read
Project Janus: The Most Interesting Infrastructure Project You've Never Heard Of
Let me set the scene. It's late. I'm a CS student at NJIT, I'm planning my move for after...
#networking#comcast#infrastructure#discuss
2 1
amir5d ago • 8 min read
The Rust Performance Trap I Hit While Sorting Small Network Datasets
A real-world Rust performance story about heap allocation, small arrays, CPU cache, and why insertio...
#rust#performance#networking
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Matías Denda1d ago • 8 min read
Building a P2P Chat over Tor with Rust's arti-client
Hidden services, bidirectional connection racing, a three-message handshake, and what it's actually ...
#rust#tor#privacy#networking
1 0
Ambitious Foreman6d ago • 6 min read
Network namespaces are the right answer to per-process VPN on Linux
Or: how I almost locked myself out of my own EC2 box, and the guard that fixed it. I needed one...
#linux#networking#wireguard#security
0 0
szp20056d ago • 5 min read
Reconciling 8 IP-reputation feeds into one verdict: averaging is the wrong default
Wire more than one IP-reputation source into a risk check and sooner or later they disagree. One fee...
#networking#security#devops#showdev
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Vix5d ago • 6 min read
IPv4 vs IPv6 in 2026 — what every developer should know
IPv4 vs IPv6 in 2026 — what every developer should know For most of the last decade, IPv6...
#networking#webdev#backend#ipv6
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SAI RAM4d ago • 15 min read
How DNS Actually Works: Resolution Hierarchy, Caching, and Production Failure Modes
DNS Is an Indirection Layer, Not a Lookup Table The "phonebook" metaphor everyone reaches...
#infrastructure#networking#sre#systemdesign
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david3d ago • 5 min read
My Firewall Had 77 Rules. Terraform Knew About 22 of Them.
Multiple rounds of 'reconstruct the firewall' work each added a fresh generation of rules without re...
#mikrotik#terraform#security#networking
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Andrey Karadimov4h ago • 2 min read
Replacing Stremio's closed streaming server with an open one — inbound peers and playhead-first streaming
When you press play in Stremio, two separate things are working: the player (the UI) and a streaming...
#backend#networking#opensource#showdev
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david2d ago • 6 min read
IPv6 NAT66 Behind a FritzBox: The RouterOS 7 Bug That Broke WiFi Clients
Setting up IPv6 on MikroTik behind a FritzBox with CGN should be straightforward — ULA prefix, NAT66...
#mikrotik#networking#homelab
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david2d ago • 9 min read
Hardening Unattended Raspberry Pi Edge Nodes: Watchdog, fail2ban, nftables, and the Mistakes That Take Down DNS
Two Raspberry Pis run DNS for an entire network with no one watching them most of the time. A hardwa...
#homelab#security#networking
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Mohamed Hussain S2d ago • 4 min read
When Logs Aren't Enough: Using tcpdump to Debug Real Network Problems
In my previous post, I wrote about a Linux routing issue that broke a deployment and caused repeated...
#linux#networking#devops#tcpdump
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I Want To Learn Programming6d ago • 5 min read
Build your own Redis from scratch, and talk to it with the real redis-cli
I rebuilt Redis's core in about 80 lines of Python, the RESP protocol, GET and SET, expiry, INCR, an...
#redis#networking#sockets#python
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Luna Commsnet2d ago • 9 min read
From ISP Lock-in to Control: Self-Hosting Nextcloud/Home Assistant Behind Cloudflare Tunnels
From ISP Lock-in to Control: Self-Hosting Nextcloud/Supervised Behind Cloudflare...
#homelab#selfhosting#networking#infrastructure
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SAI RAM4d ago • 9 min read
How I Traced One Browser Request from Keystroke to Rendered Page
I Just Wanted to Know Why www.google.com Loads So Fast I was sitting at my desk one...
#networking#dns#tls#http
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Anthony Max3d ago • 1 min read
[Boost]
(new) Bifrost Edge: MCP Visibility and Control for Enterprise Teams and Beyond 🔥 ...
#cloud#infrastructure#monitoring#networking
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Billy1d ago • 4 min read
Stop Guessing What’s Public: Automating Attack Surface Discovery
The "Forgotten Server" Problem Every developer has been there. You spin up a temporary...
#security#python#networking#devops
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Abhrankan Chakrabarti3d ago • 3 min read
I built a dependency-free Remote Exec Server in Python using BusyBox-style symlinks
I wanted to see how minimal a remote command execution system could be when restricted entirely to.....
#python#opensource#networking#security
1 0
VickkyKruz NetSec2d ago • 2 min read
The OSI Model: Demystified, Not Memorised
Hi everyone 👋 Let me say something that might be controversial in tech education circles. The way...
#beginners#computerscience#networking#tutorial
3 1
Nagesh K23h ago • 3 min read
The Beginner’s Guide to Private vs Public IPs, Ex - Banking Systems
When I first studied IP addresses, I thought: “Private IPs are only inside my router, and public IPs...
#networking#cloud#aws
1 1
Khalif AL Mahmud2h ago • 10 min read
Passive Reconnaissance on google.com — What I Found Using Shodan, WHOIS, and DNS Tools
Before a penetration tester runs a single exploit, they spend a significant amount of time just...
#infosec#networking#cybersecurity#ethicalhacking
5 0
Schiff Heimlich2d ago • 2 min read
IPv6 zone identifiers do not belong in URLs
Every now and then you run into something that breaks in a way that is hard to google because the...
#backend#infrastructure#networking#webdev
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Schiff Heimlich3d ago • 2 min read
IPv6 zone identifiers in URLs are a quiet parser gotcha
You're debugging a URL parsing issue in your load balancer logs. Someone pasted a link like...
#backend#networking#programming#python
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taohuawu4d ago • 4 min read
Demystifying Global Network Latency: The Mechanics of Anycast Routing, Cross-Border Fiber Optics, and Packet Loss
For modern distributed systems, cloud architectures, and cross-border APIs, network latency is the.....
#ai#webdev#productivity#networking
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