Articles list about web hosting

403 Forbidden or emails not delivered? We cover all reasons for IP blocking — from Fail2Ban to global blacklists. Step-by-step diagnostics, commands for unblocking in Fail2Ban, CSF, iptables, Cloudflare. How to set up whitelist and avoid blocks.

How to properly configure a Python application for production? We cover choosing between Gunicorn and uWSGI, worker count formula, systemd auto-restart, Nginx configuration, connection pooling with PgBouncer, Docker best practices, Celery for heavy tasks, and monitoring with Sentry.

8 cores / 16 threads — what does this mean in practice? We explain the difference between physical cores and logical threads, when Hyper-Threading helps and when it doesn't. Specific recommendations for WordPress, eCommerce, API, and analytics. How to check VPS CPU and avoid overpaying.

A site without HTTPS in 2026 means lost Google rankings and user trust. We cover the difference between SSL and TLS, certificate types (DV, OV, EV, Wildcard), getting a free certificate via Certbot, optimal Nginx and Apache configurations for TLS 1.3, HSTS setup and SSL Labs verification.

A $50/month server with proper tuning often outperforms a $200 server with defaults. We cover CPU selection (single-thread performance), RAM and caching (Redis, FastCGI Cache), NVMe disks, PHP-FPM and MySQL configuration. When to move from VPS to Dedicated and how to scale horizontally.

70% of Hostiserver clients use Nginx. We break down architectural differences, real-world performance under load, ready configs for WordPress + FastCGI Cache, Reverse Proxy. When Apache still makes sense, how to migrate, and why mod_php is an anachronism.

The average Linux server receives hundreds of SSH brute-force attempts daily. We cover how to properly configure SSH: switching from passwords to Ed25519 keys, critical sshd_config parameters, Fail2Ban, firewall rules, and bastion hosts. Specific commands and common mistakes to avoid.

96% of WordPress vulnerabilities come from plugins. We've selected 5 that cover all critical needs: WP Rocket for speed, Wordfence for security, Rank Math for SEO, ShortPixel for images, Perfmatters for code optimization. For each — specific settings and alternatives.

Step-by-step guide for setting up 301 redirect HTTP→HTTPS. Configs for Apache 2.2/2.4, Nginx with HTTP/2, Cloudflare Page Rules. How to avoid redirect loops, configure HSTS, verify everything works. Checklist and FAQ included.

A slow website isn't a technical issue — it's a hole in your budget. We analyze 5 causes of slowdowns: from heavy images to slow servers. Concrete solutions, diagnostic tools, and a self-check checklist.

SQL Injection has remained in OWASP Top 10 for over 20 years. This guide contains real protection configurations from the Hostiserver team: prepared statements for PHP/Python/Node.js, ModSecurity WAF setup, MySQL hardening and monitoring. Includes analysis of recent CVEs 2024-2025 and recommended PHP/MySQL versions for 2026.

Complete Redis ports guide: 6379, 16379, 26379. Security with ACL & TLS, port configuration, multiple instances, troubleshooting. Updated for Redis 8.

WordPress powers 43.6% of all websites in the world — that’s 80-120 million active projects. But most owners don’t understand the difference between “WordPress hosting” and a properly configured infrastructure.

Choosing between a Cloud VPS and a dedicated server is not just a technical question, but a financial decision that can cost your business thousands of dollars. In this article, we break it down in detail.

DDoS attacks in 2025 increased by 358% and can cost businesses from $8,000 to $1.1 million in losses. This article examines how modern attacks work, what protection methods exist, and what to do right now to avoid becoming a victim. Includes real cases, step-by-step instructions, and security check checklists.

Ever hit a wall with Linux's stubborn "Permission Denied"? Dive into real-world hacks and checklists that turn frustration into mastery—boost your dev skills and sidestep costly server hiccups today!

How to host a PHP site? Tips on choosing hosting, boosting speed, and securing servers for blogs and small projects.

Protecting your MySQL database on your hosting is a key aspect of security for any website. In this article, we will look at methods for protecting your MySQL database

Bare Metal Servers: maximum power, control and security. Find out why they are the best choice for resource-intensive applications, large databases, and mission-critical business applications.

Stuck with ZIP files on your Ubuntu setup? Get step-by-step tips on unzipping via terminal or GUI, with real-world advice for smooth file handling