When you install Arch Linux, you're building a system from the ground up. However, default SSH settings are often optimized for compatibility , not security . If your server is facing the open internet, it’s likely being hammered by automated bots right now. Follow this guide to move beyond defaults and lock down your sshd configuration using modern best practices. 1. Generate Ed25519 Keys Forget RSA. Ed25519  is the modern standard—it’s faster, has a smaller footprint, and o
