SSH Security: Protecting Your Linux Server from Threats

This blog post discusses various methods to restrict SSH access to a Linux server by IP address for enhanced security, including modifying the sshd_config file, using TCP wrappers, and implementing firewall rules.

The post also covers additional SSH security hardening best practices such as using a non-standard port, using SSH keys instead of passwords, disabling root login, and using Fail2ban to protect against brute-force attacks.