Blog & News
Latest updates, feature announcements, and security news from Panelica.
IP 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.
Read MoreDDoS Protection: How Attacks Work and How to Defend Your Server
Understand DDoS attack types and defend your server with rate limiting, firewalls, Cloudflare, fail2ban, and kernel-level mitigations. Complete guide.
Read MoreDocker Security Best Practices: Rootless, Read-Only, and Scanning
Secure your Docker containers: run rootless, use read-only filesystems, scan images for vulnerabilities, and follow the principle of least privilege.
Read MoreModSecurity WAF: Protect Your Server from SQL Injection, XSS, and OWASP Top 10
Set up ModSecurity Web Application Firewall with OWASP Core Rule Set. Block SQL injection, XSS, path traversal, and other attacks on Nginx and Apache.
Read MoreFail2Ban Setup Guide: Protect SSH, Nginx, and WordPress from Brute Force
Install and configure Fail2Ban to automatically block brute-force attacks on SSH, Nginx, WordPress, and other services. Complete filter and jail setup guide.
Read MoreServer Security Is a Shared Responsibility: What Your Panel Does and What You Must Do
An honest look at the security boundary between your panel and your expertise. Three real scenarios show where automated protection ends and human judgment begins — with a complete responsibility checklist.
Read MoreZero-Trust Hosting: How 5-Layer Isolation Protects Your Customers (And What It Cannot Do Alone)
A technical deep dive into Panelica's five-layer isolation architecture — Cgroups v2, Namespaces, Chroot, PHP-FPM sandboxing, and Unix permissions. Each layer explained with breach scenarios showing containment in action.
Read MoreWhy the Most Secure Panel Cannot Save a Poorly Managed Server
Seven real-world mistakes that led to security breaches — despite having a fully-featured panel. From predictable passwords to forgotten backups, these patterns are preventable. Learn how.
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