UFW Firewall Hardening Checklist for Ubuntu Cloud Servers
UFW Firewall Hardening Checklist for Ubuntu Cloud Servers When a new Ubuntu VPS is spun up, the first instinct is to install the application stack and go live. Too often, the default firewall configuration is left untouched, exposing the server to…
Field Notes: Common Mistakes When Hardening Nginx SSL/TLS on a Cloud VPS
Field Notes: Common Mistakes When Hardening Nginx SSL/TLS on a Cloud VPS Deploying a public‑facing web service on a Cloud VPS is attractive for its low cost and quick spin‑up. Yet, many sysadmins rush the TLS configuration and end up with a surface that…
Step‑by‑Step Guide to Install and Configure WireGuard VPN on a Linux VPS
Step‑by‑Step Guide to Install and Configure WireGuard VPN on a Linux VPS Prerequisites: A fresh Linux VPS (Ubuntu 22.04 LTS or Debian 12 recommended), root or sudo access, a basic understanding of networking, and an SSH client to connect to the server.…
How to Harden a Linux VPS: UFW, Fail2Ban, and SSH Key Authentication Made Simple
How to Harden a Linux VPS: UFW, Fail2Ban, and SSH Key Authentication Made Simple Running a virtual private server (VPS) gives you full control, but it also makes you a prime target for automated attacks. In 2024, more than 70 % of compromised web servers…
Step‑by‑Step Guide to Configure Nginx as a Secure Reverse Proxy for Dockerized Apps on a Linux VPS
Step‑by‑Step Guide to Configure Nginx as a Secure Reverse Proxy for Dockerized Apps on a Linux VPS Prerequisites: A fresh Linux VPS (Ubuntu 22.04 LTS recommended), root or sudo access, a domain name pointing to the server’s public IP, basic familiarity…
How to Harden a Linux Server with UFW and Rate‑Limiting Rules
How to Harden a Linux Server with UFW and Rate‑Limiting Rules When a public‑facing server is exposed to the internet, brute‑force attacks against SSH, RDP, or web services are inevitable. A lightweight, host‑based firewall like UFW (Uncomplicated…