In the first part, I talked about how the street NR-712 pulled our village out of the "digital swamp" and provided decent internet at home instead of suffering with 3…
I read with interest the article by @maybe_elf "IPv6 turns 30". However, I was very surprised by some comments to it. Unfortunately, many Russian IT engineers still do…
When we hear about another major data breach—client databases, source codes, or trade secrets—reports often mention phrases like "the attacker gained access" or "the…
February 2026. In one month, the following were released: Gemini 3.1 Pro from Google, Claude Sonnet 4.6 and Opus 4.6 from Anthropic, GPT-5.3 and GPT-5.4 from OpenAI (5.4…
I continue to develop a Go utility for working with TUN interfaces. In the previous version, packets went through the path `system <-> tun10 <-> go app <-> tun11 <->…
Restoring Internet Freedom was adopted on December 14, 2017, during Donald Trump's first presidential term. By approving it, the Federal Communications Commission repealed…
In this article, we’ll discuss how the Yandex Infrastructure team implemented QoS in InfiniBand networks with limited vendor support and scarce practical documentation.…
Most MTProto proxy guides are written for Linux. But what if your server is on Windows? This article covers the full process of setting up a private MTProto proxy with…
How the protocol borrows someone else's handshake, why v1 and v2 were flawed, what exactly Aparecium found in v3, and where this approach hits an architectural ceiling
Igor Girkin, information security systems architect at Garda, shares insights on network protection.
There are several different protocols designed to ensure uninterrupted network operation at the data link layer. Today, we will discuss Ethernet Ring Protection Switching…
Continuing the series of articles on useful tools for sysadmins. Today I will talk about foreign websites that should definitely be on your shortlist. Read below and…
Hi, tekkix. My name is Danila Trusov, I am the product director of "Inferit ITMen" — an IT infrastructure management and control system. In this article, I want to discuss…
Three years ago I wrote an article "Internet censorship and bypassing blocks: it's not time to relax." Reading it now, after three years, I can't shake the mixed feeling:…
In channel and transmitter power management of Wi-Fi access points, there is one eternal conflict: to make the network work well, the actual situation in the air must…
In many companies, software expenses consistently rise even if the infrastructure remains largely unchanged. Some of these costs are not for development but for licenses…
Hello! My name is Roman Pomazanov, I lead the Global Network Fabric team at MWS Cloud Platform. Today I want to talk about the foundation that usually remains in the…
Networks in data centers have significantly evolved over the past decades: not long ago, Gigabit Ethernet was sufficient for most tasks, and it was adequate for corporate…
