How I Hardened a Linux Server Against SSH Brute Force Attacks

🔐 How I Hardened a Linux Server Against SSH Brute Force Attacks | Yerravalli IT Simplified Brute force attacks on SSH are one of the most common threats faced by Linux servers. In this video, I walk you through the exact steps I used to harden my server and protect it from unauthorized access. Whether you're a beginner or a seasoned sysadmin, these practical techniques will help you secure your infrastructure and prevent brute force login attempts. 💡 What’s Covered: Switching to SSH key authentication Disabling root login Disabling PasswordAuthentication Changing the default SSH port Geo-IP blocking with iptables Installing and configuring Fail2Ban Enforcing strong passwords and MFA Monitoring and alert setup 👨‍💻 About Me: I’m Rajeshkumar, an  IT professional with 20+ years of experience in infrastructure, security, networking, and cloud. Through Yerravalli IT Simplified, I share real-world tutorials to make IT concepts clear and actionable. 📄 Bonus Resource: Download a free incident response checklist to strengthen your security posture: 🔗 🔗ManageEngine Incident Toolkit : https://www.manageengine.com/products... 🔗IT Glue Response Checklist: https://www.itglue.com/wp-content/upl... Next Video:    • Ubuntu Server in VirtualBox Part 2 – SSH S...   Follow & 📢 Subscribe & Connect:    / @yerravalliitsimplified   If this video helped you, please Like, Subscribe, and Comment with your favorite SSH hardening tip. 🔔 Stay tuned for more bilingual tutorials in Telugu + English!