Allow inbound connections on your VPS by opening ports in UFW/firewalld (Linux) or Windows Defender Firewall, without locking yourself out.
Fail2ban helps block brute-force login attempts by banning IPs after repeated failures. This guide shows how to install Fail2ban on a Linux VPS and enable the sshd jail safely.
A new VPS should be hardened before going live. This checklist covers the most important steps: updates, a non-root sudo user, SSH keys, firewall rules, and safe ways to avoid locking yourself out.