Knowledge Base
Tag: Linux Administration
Mastering CSF Firewall: A Comprehensive Guide to Configuration and Security
Learn how to install, configure, and optimize CSF Firewall for enhanced security and DDoS protection on your Linux servers. Discover best practices…
Why SMTP Port 25 is Blocked: Security, Compliance, and Modern Mail Delivery
Learn why OwnWebServers blocks outbound SMTP port 25 to prevent spam, protect IP reputation, and ensure deliverability via secure ports 587 and…
PHP 8.x End-of-Life Schedules & Compatibility: A Sysadmin’s Upgrade Guide
Track PHP 8.0-8.4 end-of-life dates, understand the support lifecycle, and learn how to install, run multiple versions, and test compatibility safely.
Serverless Architecture vs. Traditional Hosting: Which Fits Your Workload?
Compare serverless architecture and traditional Linux hosting on cost, cold starts, scaling, control, and security to choose the right model for your…