Guides tagged “hardening”
Step-by-step MdmHost guides about hardening, sorted A-Z.
11 guides
Change the SSH port safely without locking yourself out
Move SSH to another port in the right order: firewall first, SELinux and Ubuntu socket activation handled, both ports tested, then port 22 closed.
Change your cPanel password and keep the account secure
Change the cPanel account password safely, understand what it affects (FTP, SSH, MySQL), and follow a short security checklist for your hosting account.
Close unused ports and disable unneeded services on Linux
Fewer running services means fewer things to patch and attack. List what listens on your VPS, disable what you do not use, bind private services to localhost and firewall the rest.
Disable root login and password authentication over SSH
Stop brute-force attempts by switching off root and password logins with a small SSH drop-in file, then verify the change from a second session.
Docker security checklist for a public VPS
A practical Docker hardening checklist for an internet-facing VPS. Run images as non-root, use read-only filesystems, drop capabilities, never expose the daemon socket, scan images and keep them updated.
Harden a Plesk server with Security Advisor and best practices
Use Plesk Security Advisor, two-factor authentication, ModSecurity, Fail2Ban, the firewall and update policies to secure a Plesk VPS or dedicated server.
Harden a Virtualizor master and its KVM nodes
Secure Virtualizor: restrict admin panel access by IP, enforce 2FA, use SSL, firewall node ports, secure SSH, protect API keys and isolate VPS network traffic.
Hide the Nginx version and harden the default config
Make Nginx give away less and accept less. Hide the version number, drop requests for unknown hosts, block dotfiles, limit methods and body size, and tighten timeouts.
Use WHM Security Advisor to harden a cPanel server (root guide)
Run WHM Security Advisor as root, understand its red, yellow and blue findings, and fix the common ones: SSH passwords, compilers, Apache modules, kernel and PHP versions.
WHMCS security hardening checklist
Secure WHMCS: rename the admin folder, move sensitive folders out of the web root, lock configuration.php, enforce 2FA, restrict admin IPs, enable CAPTCHA and keep WHMCS updated.
WordPress security hardening checklist
Harden a WordPress site on cPanel hosting: strong logins and 2FA, updates, file permissions, disabling file editing, limiting login attempts and safe backups.
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