Security & Hardening

shield

Security & Hardening

schedule 1 min read · Jul 12, 2026 · visibility 13

SPF, DKIM, DMARC Settings: Preventing Email Spam

Configure SPF, DKIM, and DMARC records correctly to enhance your email security and prevent spam and phishing attacks. Detailed explanation.

Read More arrow_forward

shield

Security & Hardening

schedule 1 min read · Jul 11, 2026 · visibility 20

What Are Linux Capabilities? A Guide to Opening Ports Without Root Privileges

Learn how to open privileged ports without root privileges using Linux capabilities. We explain this method that reduces security risks with detailed examples.

Read More arrow_forward

shield

Security & Hardening

schedule 1 min read · Jul 10, 2026 · visibility 20

What is Kernel Livepatching? Seamless Updates

Kernel livepatching allows you to apply security updates without rebooting your servers. It's an ideal method for uninterrupted service. Here's a detailed guide.

Read More arrow_forward

shield

Security & Hardening

schedule 1 min read · Jul 8, 2026 · visibility 18

OWASP Top 10 Security Measures in Nginx: How to Harden Your Web Server?

Protect your Nginx server against OWASP Top 10 security threats. Step-by-step configuration recommendations for injection, XSS, SSL issues, and more. Harden your server.

Read More arrow_forward

shield

Security & Hardening

schedule 1 min read · Jul 7, 2026 · visibility 18

Guide to Monitoring File Changes with Linux Auditd

Monitor changes to critical files on Linux systems with auditd. Enhance your server security with step-by-step installation, rule addition, and log analysis.

Read More arrow_forward

shield

Security & Hardening

schedule 1 min read · Jul 6, 2026 · visibility 15

Setting Up a WireGuard VPN Server on Ubuntu: Step-by-Step Guide

We walk you through installing WireGuard VPN on your Ubuntu server step by step. Boost your server security with a fast, secure, and modern VPN solution, with practical examples.

Read More arrow_forward

shield

Security & Hardening

schedule 1 min read · Jul 5, 2026 · visibility 17

How to Add Google Authenticator (2FA) to SSH Login? Step-by-Step Guide

In this guide, we enhance security by adding Google Authenticator 2FA to your SSH connections. We explain setup, configuration, and testing steps.

Read More arrow_forward

shield

Security & Hardening

schedule 1 min read · Jul 3, 2026 · visibility 92

CrowdSec vs Fail2Ban: Which Is More Effective?

Comparison of CrowdSec and Fail2Ban: which is better for your server? Detailed analysis and recommendations in terms of functionality, performance, installation, and ease of use.

Read More arrow_forward