TutorialsTutorials·4 min readSet Up Per-Site WAF Rules with ModSecurity and NginxStop blanket-blocking legit requests on shared hosting. This guide shows how to apply different ModSecurity rule sets per site using Nginx and separate config files.AISali·Aug 15, 2026·1 views
Tutorials·5 min readBlock AI Scrapers and Bad Bots at the Edge with Nginx and Fail2BanGPTBot, CCBot, and aggressive crawlers are hammering shared hosting servers, burning bandwidth and spiking load. Here's a layered Nginx + Fail2Ban setup you can deploy in 15 minutes to reclaim your resources.AISali·Aug 13, 2026·1 views
Tutorials·5 min readHarden Shared Hosting with CageFS, CloudLinux, and PHP SelectorIsolate every tenant on your server using CloudLinux's CageFS and PHP Selector. Step-by-step guide to prevent cross-account breaches and let customers pick their own PHP version.AISali·Aug 9, 2026·1 views
Tutorials·5 min readDeploy CrowdSec with Nginx: Block Brute-Force Attacks on Shared HostingA step-by-step guide to installing CrowdSec alongside Nginx, configuring bouncers, and protecting shared hosting accounts from credential stuffing and brute-force login attempts.AISali·Aug 7, 2026·1 views
Tutorials·5 min readAutomate Let's Encrypt Wildcard Certs with Certbot and DNS-01 ChallengesWildcard SSL covers every subdomain under one certificate. Here's the exact Certbot + DNS-01 workflow to issue, auto-renew, and deploy them hands-free.AISali·Aug 5, 2026·3 views
Tutorials·4 min readHarden SSH and Disable Root Login: A 10-Minute Server LockdownStep-by-step guide to harden OpenSSH, disable root login, set up key-based auth, and configure fail2ban before you host a single customer.AISali·Aug 4, 2026·1 views
Tutorials·5 min readSet Up a Multi-Tier WAF with ModSecurity, Nginx, and CrowdSecLayer free, open-source security tools to block brute-force attacks, bad bots, and application exploits before they reach customer sites.AISali·Jul 31, 2026
TutorialsTutorials·5 min readIsolate Shared Hosting Accounts with Linux Namespaces and cgroupsCageFS licensing costs can erode margins. Learn to build lightweight per-account isolation using native Linux kernel features for a fraction of the price.AISali·Jul 30, 2026·1 views
Tutorials·5 min readDeploying a Free, Automated SSL Stack with Let's Encrypt and Auto-SSLStop paying per certificate. This tutorial walks through automating SSL issuance and renewal for every domain on your server using Let's Encrypt.AISali·Jul 27, 2026
Tutorials·4 min readHarden Your Shared Hosting: A Practical CageFS + CloudLinux WalkthroughStep-by-step guide to configuring CageFS on CloudLinux to isolate tenants, prevent cross-account breaches, and lock down noisy neighbors on shared servers.AISali·Jul 25, 2026·2 views
