Blog & News
Latest updates, feature announcements, and security news from Panelica.
The MySQL 9.7 cPanel Meltdown: Why Upstream Trust Without Guardrails Breaks Production
On April 21, 2026, a MySQL repository metadata bug caused thousands of cPanel servers to silently upgrade to MySQL 9.7 overnight. Here is what happened, why cPanel servers had no structural defense, and how Panelica's build pipeline prevents this class of failure.
Read MorePlesk Vulnerability History: Why Security-Conscious Admins Are Switching
An honest review of Plesk security vulnerabilities including CVE-2025-66431 root code execution and CVE-2025-66430 Apache injection. Compares panel security architectures and how Panelica five-layer isolation reduces attack surface.
Read MoreServer Panel Security Showdown 2026: Which Panel Actually Isolates Your Users?
Most panels claim security. Few actually isolate users. We tested CyberPanel, CloudPanel, HestiaCP, cPanel, and Panelica — here's what we found.
Read MoreSSH Hardening: Beyond Key Authentication — The Complete Security Guide
Key auth is just the start. Harden every sshd_config directive, add 2FA, set up jump hosts, and build an emergency recovery plan.
Read MoreModSecurity CRS Tuning: Paranoia Levels, False Positives, and Virtual Patching
Running ModSecurity in blocking mode without breaking real traffic: paranoia levels, anomaly scoring, false positive exclusions, and virtual patching explained.
Read MoreAdvanced Fail2Ban Configuration: Custom Filters, Recidive Jails, and Incident Response
Beyond basic setup: custom Fail2Ban filters, progressive ban times, recidive jails for repeat offenders, and a production jail.local you can deploy today.
Read MoreGDPR Compliance for Web Hosting: What Server Admins Must Know
Understand GDPR requirements for web hosting providers: data processing agreements, logging practices, user rights, breach notification, and technical safeguards.
Read MoreIP Geolocation Blocking: Restrict Access by Country
Block or allow traffic by country using IP geolocation. Configure GeoIP with Nginx, nftables, and Cloudflare for targeted access control on your server.
Read MoreServer Hardening Checklist: 30 Steps to a Bulletproof Ubuntu Server
Harden your Ubuntu server with this 30-step security checklist covering SSH, firewalls, kernel tuning, file permissions, and intrusion detection.
Read MoreNginx Rate Limiting: Prevent Brute Force and API Abuse
Protect your server from brute force attacks and API abuse with Nginx rate limiting. Configure limit_req, limit_conn, and custom error pages effectively.
Read MoreHow to Block Bad Bots: Protect Your Server from Scrapers
Stop bad bots from scraping your content and wasting server resources. Block them with user-agent filtering, rate limiting, CAPTCHAs, and WAF rules.
Read MoreTwo-Factor Authentication (2FA) for SSH, Web Apps, and Panels
Add two-factor authentication to SSH, web applications, and control panels using TOTP, hardware keys, and backup codes for maximum account security.
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