
Secure RDP Configuration for Windows VPS
Follow this practical guide to harden RDP (secure rdp) on your Windows VPS. Protect against brute force attacks, credential theft, and unauthorized access.

Layer 7 attack protection with Nginx rate limiting and Cloudflare
A practical guide to protecting your VPS from Layer 7 DDoS attacks using Nginx rate limiting at the origin and Cloudflare's edge WAF. Includes real configs and verification steps.

Enable 2FA for SSH Using Google Authenticator on Ubuntu 24.04
Learn how to enable two-factor authentication for SSH with Google Authenticator PAM module on Ubuntu 24.04. A practical guide to protect your VPS against unauthorized access.

Set up nftables firewall on a VPS to replace iptables
A step-by-step guide to moving from iptables to nftables on Ubuntu 24.04 or Debian 12. Learn rules, tables, chains, and persistent config for a secure VPS.

Install OpenVPN on a VPS at thueVPS, Step-by-Step Guide
Hướng dẫn chi tiết cài đặt OpenVPN trên VPS tại thueVPS, tạo VPN cá nhân an toàn với các bước cụ thể, có verify.

Set up automatic security updates on Ubuntu 24.04 with unattended-upgrades
Hướng dẫn cấu hình cập nhật bảo mật tự động trên Ubuntu 24.04 VPS với unattended-upgrades, giúp hệ thống luôn an toàn và hoạt động ổn định.

How the wp2shell WordPress Core Flaw Lets Attackers Run Code Unauthenticated
Technical analysis of the wp2shell vulnerability (CVE-2026-XXXX): how an unauthenticated attacker achieves remote code execution via WordPress core, and how to patch or mitigate it on your VPS.

How to connect to a Linux VPS for the first time via SSH
A step-by-step guide for beginners on connecting to your first Linux VPS using SSH from Windows, macOS, and Linux, with key setup, connection, and verification steps.

Encrypt a VPS disk with LUKS on Ubuntu 24.04
Learn how to encrypt a VPS root disk with LUKS on Ubuntu 24.04. Full step-by-step guide including cryptsetup, boot setup, and verify commands for sysadmins.