Is your Express app showing every visitor as 127.0.0.1 instead of real user IP addresses? This common issue occurs when an Apache reverse proxy sits in front of your Node.js application and masks the original client identity. As a result, logs, analytics, rate limiting, and security mechanisms fail to function correctly. In this guide, you’ll learn how to properly configure Apache settings like ProxyPreserveHost and X-Forwarded headers, along with strict Express trust proxy rules, to restore accurate client IP detection, maintain protocol integrity, and ensure your production infrastructure r
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Laravel DOMPDF often struggles with rendering Hindi and Chinese characters because default fonts don’t fully support Unicode. This guide explains how to properly add and configure Hindi and Chinese fonts in Laravel DOMPDF so your PDFs display multilingual text clearly and accurately. You’ll learn how to install custom TrueType fonts (TTF), map them correctly in the DOMPDF configuration, and fix common issues like missing characters, broken symbols, and text appearing as boxes or question marks. It also covers best practices for choosing the right fonts, embedding them for consistent output, a
Learn how to generate PDFs in Hindi (Devanagari) and Chinese (SimHei) using Laravel DOMPDF. This complete step-by-step guide covers installation of Laravel DOMPDF, setting up Unicode fonts, configuring controllers and blade templates, and proper VPS deployment to avoid errors. You’ll also learn how to generate fully readable multilingual PDFs, fix missing characters, and optimize file sizes. The tutorial includes a video walkthrough to make implementing Hindi and Chinese PDFs in Laravel simple and error-free.
This in-depth guide by AARK Tech Hub explains how to properly secure APIs using CORS in modern Flutter Web and Flutter Mobile applications with a NodeJS backend. It covers the Same-Origin Policy, browser security restrictions, preflight OPTIONS requests, and the critical differences between Flutter Web and mobile environments. Learn AARK’s approved CORS setup for Express REST APIs and Socket.io, including origin whitelisting, credential handling, HTTP headers, and secure cross-platform communication strategies. This guide is designed for developers building scalable, production-ready applicat
AARK Tech Hub is a full-service technology partner specializing in custom web development, data-driven digital marketing, and Flutter app development. We design and build fast, secure websites and eCommerce stores (WordPress, Shopify, custom stacks) and craft cross‑platform Flutter apps for iOS and Android. Our marketing team increases your visibility with ethical SEO, targeted PPC, social media campaigns, content, and email—guided by analytics, CRO, and transparent reporting. From UX and brand strategy to launch, support, and continuous optimization, we deliver measurable results and a smoot