开发者
How we became the first Indian hosting company to deploy Cloudflare Magic Transit
I run a hosting company. I'm also a BCA student. These two things coexist somehow. GigaNodes started in 2022 as a game server hosting brand — Minecraft, FiveM, ARK, the usual. Over time it grew into a proper VPS and dedicated server operation under GigaNode Technologies Private Limited, with AMD EPYC 7C13 hardware co-located at Yotta DC Noida. Earlier this year we did something I haven't seen any other Indian hosting provider do: we deployed Cloudflare Magic Transit across our entire network. What that actually means Magic Transit is not Cloudflare CDN. It is not a proxy. It is Cloudflare's enterprise network product where your IP prefixes get announced via BGP into Cloudflare's global backbone. All traffic destined for your servers enters Cloudflare's network first, gets scrubbed for attack traffic, and clean packets get forwarded to your data center via GRE tunnel. To deploy it, your infrastructure partner needs to have BGP-level integration with Cloudflare. Individual companies can't just sign up for it. We made it work through our partnership with Advika Datacenters Private Limited (AS135682) at Yotta DC Noida. The result: DDoS traffic never reaches our hardware. Our servers don't see the attack at all. Why no other Indian provider had done this Most Indian hosting providers use blackholing. When an attack comes in, they null-route your IP. Server goes offline. Attack stops eventually. Server comes back. That is the standard. That is what "DDoS protection included" usually means in India. The difference with Magic Transit is that legitimate traffic keeps flowing while attack traffic gets dropped. Your server stays online. Players stay connected. Trades don't get interrupted. We found out pretty quickly this actually works. We took a 1.7 Tbps attack after deployment. The servers didn't notice. A 1.7 Tbps volumetric attack hit our network in May 2026. Cloudflare absorbed it at the edge. No downtime. No support tickets from customers. We found out from the Cloudfla
AI 资讯
Plaud says its software business topped $100M in ARR after shipping over 2M AI notetakers
Plaud is trying to make a mark in a crowded market full of AI-powered meeting notetakers.
安全
Flock Cameras Are Being Used for Stalking
There are over a dozen cases around the country where police officers are using the Flock surveillance camera system to obsessively and illegally stalk people . Alternate link .
AI 资讯
5 Claude Code Skills Every ADHD Developer Needs
I have built 114 Claude Code skills. Most of them are engineering plumbing. But five of them exist for one reason only: my executive function has specific, repeatable holes, and I got tired of falling into the same ones. These five are not productivity hacks. Each one maps to a named ADHD deficit, and each one fills it the same way every time so I do not have to re-improvise around my own brain at 2pm. If you want the broader system this sits inside, start with my Claude Code ADHD workflow and the CLAUDE.md guide . This post is the skills layer specifically. What Is a Claude Code Skill? A skill is a named, repeatable workflow you invoke with a slash command. Instead of re-prompting Claude Code from a blank slate every time ("okay, help me figure out what to work on, here is my situation again..."), you type /adhd-task-triage and it runs the same defined steps it ran yesterday. For an ADHD brain, that determinism is the feature. The skill does not depend on me remembering how to drive it. It just runs. Custom skills live in a .claude/skills/<name>/SKILL.md file that describes what the skill does and when it should fire. You can build one for any gap you fall into more than twice. 1. adhd-task-triage: Energy-Based Prioritization The gap it fills: task initiation paralysis. Standard task managers sort by priority or deadline. That assumes you can act on the top item by willpower. ADHD does not work that way. The top-priority task and the task you can actually start right now are often different tasks, and trying to force the high-priority one when your initiation circuit is offline produces zero output and a guilt spiral. adhd-task-triage sorts by available energy , not importance. You tell it where you are (wired, foggy, depleted), it looks at the work in front of you, and it hands back the task that matches the state you are actually in, not the one you wish you were in. /adhd-task-triage Why it helps specifically: it removes the moral framing. The question stops bei
开发者
YouTube字幕突然消失?原来是节点的锅——一次极其小众的排障经历
问题降临:毫无征兆 那天和往常一样,打开YouTube准备看一个英文视频。习惯性地点开字幕按钮—— 没反应。 不是字幕延迟,不是字幕错位,而是整个字幕功能像是从这个世界上蒸发了一样。原始语言的字幕不可用,点进字幕设置一看,连翻译选项都是灰的。没有原始字幕,自然也就没有任何语言的翻译字幕。 一整个功能链,从根部断裂。 第一反应:一定是扩展插件搞的鬼 作为一个浏览器里装了不少扩展和油猴脚本的用户,我的第一直觉非常明确—— 肯定是哪个插件冲突了。 这个判断合情合理。浏览器扩展劫持页面元素、油猴脚本注入自定义代码,这些操作干扰YouTube的正常功能,实在是太常见了。之前遇到过播放器界面异常、按钮消失之类的问题,十次有八次都是扩展惹的祸。 于是我开始了标准排障流程: 禁用所有油猴脚本 → 刷新 → 字幕依然不可用 禁用所有浏览器扩展 → 刷新 → 字幕依然不可用 开无痕模式 (彻底排除扩展和缓存影响)→ 字幕依然不可用 三轮操作下来,扩展插件的嫌疑被彻底洗清。 但这还不是最让人困惑的部分。 真正的诡异之处:薛定谔的字幕 在反复测试的过程中,我发现了一个极其反直觉的现象: 字幕的可用性是随机的。 开着所有扩展 → 有时候字幕 有 ,有时候 没有 关掉所有扩展 → 有时候字幕 有 ,有时候 没有 这完全打破了因果逻辑。如果问题出在扩展上,那么"关掉扩展"就应该稳定地解决问题。但现实是,开和关都呈现随机状态,说明扩展根本不是变量—— 真正的变量藏在别的地方。 这种"薛定谔的字幕"状态让我一度非常迷茫。你没办法用常规的控制变量法去定位一个表现为随机的问题,除非你能找到那个真正在变化的隐藏变量。 灵光一闪:换个节点试试? 在排除了浏览器层面的所有可能之后,我突然想到了一个平时根本不会和"字幕"联系在一起的东西—— 网络节点。 抱着试一试的心态,我切换了代理节点,选了一个不同地区的服务器。 刷新页面。 字幕回来了。 原始字幕、自动翻译、多语言选项——一切恢复正常,仿佛之前的问题从未发生过。 我又切回原来的节点——字幕消失了。再切到新节点——字幕回来了。反复测试了好几次,结果完全一致。 真相大白:问题出在节点上。 恍然大悟:视频和字幕,原来是两套系统 这次经历让我意识到一个之前从未注意到的事实: YouTube的视频流和字幕数据,很可能是由不同的服务器(或CDN节点)分别提供的。 这意味着: 视频能正常播放 ≠ 字幕能正常加载 你的网络可以顺畅地连接到视频服务器,但与此同时,字幕服务器可能对你当前的IP/地区/节点不可达或响应异常 不同的代理节点连接到的Google后端服务器不同,某些节点恰好无法正常获取字幕数据 这也完美解释了之前"随机可用"的现象。我在测试扩展的过程中,代理工具可能在后台自动切换了节点(很多代理工具有负载均衡或自动切换功能),导致有时碰巧连上了能提供字幕的服务器,有时则没有。我一直以为变量是"扩展的开关",实际上真正在暗中变化的是"网络节点"。 技术推测 虽然Google没有公开YouTube的完整架构细节,但根据这次经历可以合理推测: YouTube使用分布式CDN架构 ,视频内容、字幕数据、评论、推荐信息等可能分布在不同的微服务和服务器集群上 字幕API的端点 可能与视频流的端点不同,它们的可用性、地理限制、负载状况都是独立的 某些地区的某些IP段可能因为各种原因(服务器维护、区域限制、DNS解析差异、临时故障)无法正常访问字幕服务 这种问题具有 高度的偶发性和地域性 ,这也是为什么它如此小众,在网上几乎搜不到相关讨论 写在最后 这大概是我遇到过的最小众、最反直觉的技术问题之一。 它小众到什么程度呢?你去搜索"YouTube字幕不可用",得到的答案几乎都是:清除缓存、禁用扩展、检查字幕是否被上传者关闭、换个浏览器试试。 没有人会告诉你"换个代理节点"。 因为在绝大多数人的认知里,"视频都能看"就等于"网络没问题",不会有人把字幕缺失和网络节点联系在一起。 但事实就是这么奇怪: 视频能播放,不代表字幕能加载,因为它们根本就不在同一条路上。 这次经历也给了我一个教训:当排障陷入死胡同的时候,不要只盯着最明显的嫌疑犯。真正的问题,有时候藏在你认为"完全不可能"的地方。 下次再遇到YouTube的某个功能莫名其妙消失,而视频本身却能正常播放的时候——先换个节点试试。说不定,答案就在那里。
AI 资讯
From Automation to Intelligence: The Next Stage of DevOps
DevOps has always evolved with technology. Cloud changed how teams manage infrastructure. Containers changed how applications are deployed. CI/CD changed how software is released. Observability changed how teams monitor systems. Now AI is starting to change DevOps again. The next stage of DevOps is not only automation. It is intelligence. * DevOps Was Built on Automation * Automation is one of the strongest foundations of DevOps. DevOps teams automate: • Builds • Tests • Deployments • Infrastructure provisioning • Monitoring alerts • Rollbacks • Scaling • Security checks This has helped teams deliver software faster and more reliably. But most automation still works through fixed rules. For example: if CPU crosses a threshold, send an alert. If a build passes, deploy to staging. If a container fails, restart it. This works well for known situations. But modern systems are more complex. Microservices, cloud platforms, Kubernetes, APIs, databases, queues, and third-party dependencies create huge amounts of operational data. When something goes wrong, fixed rules are not always enough. * Why Intelligence Matters * Modern DevOps teams do not just need more automation. They need better understanding. AI can help teams identify patterns, detect unusual behavior, summarize logs, group related alerts, and suggest possible causes during incidents. This is where AIOps becomes important. AIOps means using AI for IT operations. It helps DevOps and SRE teams move from reactive operations to smarter operations. Instead of only asking, “What alert fired?” teams can start asking: • What changed recently? • Which services are aff ected? • Are these alerts connected? • Is this behavior unusual? • Has this happened before? • What is the likely root cause? This does not mean AI will replace DevOps engineers. It means AI can support engineers with faster insights. * What This Means for DevOps Engineers * DevOps engineers should pay attention to AI because their role is evolving. Traditi
开发者
The UK Places a Sweeping Ban on Social Media for Kids Under 16
The UK government is introducing a ban on social media for children and a minimum age for some chatbots in an attempt to shield young people from dangerous corners of the web.
AI 资讯
Turn any PHP host into a gateway to your local network with host2gateway
Ever wanted to turn a simple PHP host into a gateway for your local network? I built host2gateway to do exactly that. ProfiDE / host2gateway Uses a PHP host or web server to create a gateway that securely allows access to clients through it. host2gateway host2gateway is a tool designed to provide access from a web server (Gateway) to a client without requiring static IP addresses, port forwarding, changing firewall rules, or other complex configurations . It is written in PHP and can be deployed on most hosting provider environments. Features No need for static IP or port forwarding: There is no requirement to modify your firewall or router settings. Platform-independent: Works anywhere PHP 8.2 or higher is supported, making it suitable for most shared hosting services. Lightweight and simple: Minimal dependencies and easy deployment. Strong encryption built-in: Uses a powerful encryption mechanism that secures all communication, even if SSL/TLS is not available on the hosting provider. Your data is protected at all times, regardless of your environment. How It Works The client establishes an outbound connection to a Gateway server that is accessible from the internet (a PHP-enabled web host). Both sides communicate… View on GitHub 🔥 What is host2gateway? It's a lightweight tool that transforms any server running PHP into a gateway that can route traffic, manage requests, and act as a bridge between your local network and external services. No heavy dependencies. No complex configs. Just PHP, Cron and a network interface. 🧠 Why I built this Most gateway solutions are bulky, written in Go or Rust, and require root access and system-level changes. But what if you only have: A shared hosting account A basic VPS with PHP enabled A Raspberry Pi running a PHP server host2gateway fills that gap. It gives you gateway-like capabilities using the tools you already have. 🛡️ Use cases Use Case Description Local network bridge Connect isolated parts of your network Traffic inspe
AI 资讯
How the Web Actually Works: HTTP from the Ground Up
I've been going through Jim Kurose's networking lectures lately, and I kept finding myself pausing to re-read the same sections. Not because they were confusing - because things I'd been using for years were finally clicking into place. This post is me writing down what I learned, in the order it started making sense. Before HTTP, there's a webpage A webpage isn't one file. When you open a URL, your browser fetches a base HTML file - and that file references other objects. Images. Scripts. Stylesheets. Each one lives at its own URL. Each one has to be fetched separately. So loading a single "page" might mean firing off 20+ individual requests. This detail matters because the entire evolution of HTTP - from 1.0 to 3 - is basically the story of making those 20 fetches faster. HTTP runs on TCP. That has consequences. HTTP doesn't manage its own connections. It hands that job to TCP. When your browser wants something, it first opens a TCP connection to the server (port 80 for HTTP, 443 for HTTPS), and then asks for the object. Opening a TCP connection isn't free. It takes a round-trip - your machine says "hello," the server says "hello back," and then you can actually talk. That's one RTT(Round Trip Time) just to shake hands, before a single byte of your webpage arrives. So every HTTP request carries at least 2 RTTs of overhead: 1 to open the TCP connection, 1 for the actual request/response. Do that 20 times and you've spent 40 RTTs before the page renders. HTTP/1.0 vs HTTP/1.1: one change that mattered a lot HTTP/1.0 (non-persistent): open a TCP connection, fetch one object, close the connection. Repeat for every object. HTTP/1.1 (persistent): open a TCP connection, fetch as many objects as you need, then close. The server leaves the connection open after each response. That one change cuts subsequent fetches from 2 RTTs to 1 RTT each. For a page with 20 objects, that's real time saved - not microseconds, but hundreds of milliseconds that users actually feel. What an
AI 资讯
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 Southeast Asia. What happened next changed how I think about network management. I manage UniFi routers spread throughout the ASEAN region — some for friends, some for relatives, one for a charity. They're in different cities, different ISPs, different levels of network hostility. Most sit behind carrier-grade NAT. A few are in places where the government firewall blocks VPN protocols at the transport layer. UniFi's own management interface has always been good. The web dashboard, accessible through Ubiquiti's cloud, gives me visibility into every site: device health, client lists, traffic stats, WiFi experience scores. It's one of the reasons I chose UniFi in the first place — the centralized GUI just works. But the GUI is still a GUI. It's clicks and menus and dropdowns. It's fast for one site, manageable for three, and tedious at ten. For anything beyond what Ubiquiti built into the interface, you'd need to write your own tooling. I never bothered, because I'm not a developer, and the built-in dashboard was good enough. Then AI agents arrived, and suddenly the calculation changed. The Discovery I knew UniFi had an API. I'd heard about it in passing — some REST endpoints for the controller, vaguely documented, probably read-only. I never looked into it seriously because what was I going to do with it? Write a Python script to poll client counts? Build a custom dashboard? Without a team of developers, an API is just a locked door. But when I started working with an AI agent, I gave it my UniFi cloud API key on a whim. I figured it could pull basic stats — the stuff from the Site Manager API at api.ui.com/v1 . Read-only. Dashboard-level. Useful as context for answering questions. Then the agent discovered something I'd completely missed: the Cloud Connector API . I owe this discovery in large part to the Art of WiFi PHP client
科技前沿
7 Best Coffee Makers (2026): Ratio, Fellow, Moccamaster
The old-fashioned drip coffee maker has come a long way. These impressive machines can turn your barista into a stranger.
AI 资讯
Claude Fable 5 vs Opus 4.8: The Mythos Hype Meets Reality
For months, the most interesting model at Anthropic was one we could not use. Mythos was the internal system the company said was too capable to release, the one that found software vulnerabilities at a level that tripped its own safety thresholds. On June 9, 2026, that tier went public for the first time, as Claude Fable 5. Opus 4.8, the model anchoring production coding agents, suddenly had a successor that's a full capability class above it. This raises two questions for anyone running coding agents. The practical one is whether you should move your fleet from Opus 4.8 to Fable 5. The bigger one is whether a Mythos-class model, the tier Anthropic held back as too capable to ship, lives up to what the name promised. This article answers both, and the numbers tell a more interesting story than the announcement did. We ran both models through the same evaluation, close to 1000 shared scenarios scored twice each, once with no skill supplied and once with the relevant skill in context. The short answer, as of mid-2026, is that Opus 4.8 is still the better value for most agent fleets, and the gap between the Mythos hype and the measured reality is the real story in the data. A Mythos-class model is a tier of Claude that sits above the Opus class in capability . It reaches a threshold Anthropic considers high-risk, particularly at discovering and exploiting software vulnerabilities. Fable 5 and Mythos 5 are the same underlying model with the same capabilities. What separates them is the safeguards: Fable 5 is the public version that ships with safety classifiers, while Mythos 5, restricted to approved partners, runs without them. What the industry expected from a Mythos-class model Before launch, the speculation was not subtle. Across Reddit, X, and a run of explainer posts, Mythos was framed as the model that would change how agents work, not just how well they answer. The recurring predictions clustered around four capabilities: Restructuring a large codebase in one c
AI 资讯
HLD Fundamentals #1: Network Protocols
Network Protocols Network protocols define how computers communicate over a network. Whether you're opening Instagram, sending a WhatsApp message, watching Netflix, or transferring money through a banking app, some protocol is working behind the scenes to make communication possible. Client-Server Model What is it? The Client-Server model is a communication architecture where: Client requests a service or data. Server processes the request and returns a response. Most modern applications follow this architecture. How Does It Work? Client ---------- Request ----------> Server Client <--------- Response ---------- Server The client always initiates communication, and the server listens for incoming requests. Real World Example Instagram When you open Instagram: Mobile app sends a request. Instagram servers process the request. Feed data is fetched from databases. Posts are returned to your phone. Instagram App | V Instagram Server | V Database Advantages Centralized control Easier security management Easy maintenance Easier data consistency Disadvantages Server can become a bottleneck Single point of failure if not replicated Interview One-Liner Client-Server architecture is a centralized model where clients request resources and servers provide them. Peer-to-Peer (P2P) Model What is it? In a Peer-to-Peer network, every machine can act as both: Client Server There is no central server controlling communication. How Does It Work? Peer A <------> Peer B ^ ^ | | V V Peer C <------> Peer D Each peer can directly share resources with others. Real World Example BitTorrent Instead of downloading a file from one server: User | +--> Peer 1 | +--> Peer 2 | +--> Peer 3 Different parts of the file are downloaded from multiple peers simultaneously. Blockchain Bitcoin and Ethereum networks operate using Peer-to-Peer communication. Advantages Highly scalable No central server cost Better fault tolerance Disadvantages Harder to manage Security challenges Data consistency issues Inter
AI 资讯
I Lost 30% of My UDP Packets — and the Network Was Innocent
A receiver pulling a UDP feed was missing roughly 30% of its messages. No errors, no exceptions, no stack traces — just gaps in the sequence numbers. The first suspect is always the network: a flaky switch, a saturated link, a tired NIC. The network was innocent. The packets were being dropped on the receiving host , after they'd already arrived. Here's how to tell the difference, and why it matters. Why UDP makes this sneaky UDP has no retransmission and no backpressure. When a datagram is lost, nobody is notified — not the sender, not the receiver. The packet simply isn't there. That means two completely different failures look identical from the application's point of view: The network dropped the packet before it reached your machine. Your own host accepted the packet and then threw it away after it arrived. The application sees the same thing in both cases: a missing sequence number. But the fix is in a different building depending on which one it is. Where the packets actually go The receive path is: NIC → kernel socket receive buffer → your recv() call. The kernel parks incoming datagrams in a per-socket buffer until your code reads them. If your code doesn't drain that buffer fast enough, it fills, and the kernel drops the overflow. Crucially, the kernel counts those drops. On Linux: # Per-protocol summary — look for "receive buffer errors" netstat -su # Or straight from the kernel counters cat /proc/net/snmp | grep -A1 Udp # InDatagrams ... InErrors RcvbufErrors ... If RcvbufErrors is climbing, the network did its job and your host discarded the datagrams. That single counter collapses a week of "is it the switch?" into about ten seconds of certainty. The actual cause In this case the socket receive buffer was sitting at the default (~208 KB). The sender burst faster than a single receive thread could call recv() . Average throughput looked fine on every dashboard — but the bursts filled the buffer in milliseconds, and everything past the brim was dropped.
AI 资讯
🗺️ The Ultimate Cybersecurity Roadmap (Momentum-First Learning System)
Most cybersecurity roadmaps fail beginners. They give you a long list of topics like Linux, Networking, Python, and Security tools without any order or direction. This makes people confused, overwhelmed, and they usually quit early. This roadmap is different. It follows a momentum-first learning system, where every step builds on the previous one. You don’t just learn topics — you grow step by step like a system. The goal is simple: You always know what to learn next and why you are learning it. 🧠 How This Roadmap Works Instead of random learning, this roadmap is divided into phases. Each phase: builds real skills connects with the next phase moves from basic → advanced focuses on practical understanding By the end, you will understand how systems work, how they are built, how they are tested, and how they are secured. 🟢 PHASE 1: 🧠 The Signal Awakening Protocol (System Basics) Goal: Understand how computers and the internet actually work. Topics Google Dorking Using advanced search techniques to find specific information on the internet. You learn how search engines work beyond normal searches. OSINT (Open Source Intelligence) Collecting information from public sources like websites, social media, and forums. You learn how to gather data like a digital investigator. How Web Browsers Work Understanding how a browser sends requests and receives data from servers. This helps you understand what happens behind every website you open. Introduction to Computers & Operating Systems Basic understanding of CPU, RAM, storage, and how operating systems manage everything. This is the foundation of all cybersecurity. Virtualization (VirtualBox / VMware) Running a virtual computer inside your main computer. You use this to create a safe lab for practice. Linux Basics Learning how to use Linux systems. Most servers and cybersecurity tools run on Linux, so this is important. Bash Scripting Writing simple scripts to automate tasks in Linux. You move from manual work to automation. O
AI 资讯
Oracle warns of security bug that hackers abused to breach 100+ companies
The tech giant warned of a security flaw that a cybercrime gang said it's exploiting as part of a mass-hacking campaign. Google said it notified more than 100 organizations that had potentially vulnerable servers.
开发者
The Best E-Readers of 2026: Kobo, Kindle
These WIRED-tested ebook readers let you take your library anywhere.
科技前沿
Enhanced License Plate Tracking
The surveillance company Leonardo wants more data : A surveillance company plans to add sensors to automatic license plate readers (ALPRs) that would mean the devices, as well as capture the license plate of passing vehicles, would also sweep up unique identifiers of mobile phones, wearables, and other Bluetooth-enabled devices in those cars, potentially letting law enforcement identify specific drivers or passengers. The technology, called SignalTrace, would turn ALPR cameras from devices focused on tracking cars to ones that can more readily track the location of particular people. ALPR cameras have become a commonly deployed technology all across the U.S.; SignalTrace would make some of those cameras capable of collecting much more data...
AI 资讯
xAI fired an engineer who raised alarms about Grok safety, new lawsuit claims
A former xAI engineer is suing the company and SpaceX, alleging he was fired for raising AI safety concerns about Grok days before SpaceX's historic IPO.
AI 资讯
Cybercriminals claim breach of Oracle PeopleSoft servers at 100-plus organizations
The ShinyHunters hacking gang claims to have compromised the Oracle PeopleSoft servers of more than 100 organizations, including many universities.