Harden SSH on Ubuntu 24.04: Disable Root, Use Key Auth, Restrict IPs
Learn how to harden SSH on Ubuntu 24.04. Disable root login, enforce SSH key authentication, and restrict IP access for maximum protection. Table of Contents šIntroduction Secure Shell (SSH) is the backbone of remote system management, but an exposed or misconfigured SSH service is a prime target for attackers. Ubuntu 24.04, as a modern Linux […]
How to Resolve SSH Weak Key Exchange Algorithms on RHEL 9 or CentOS 9
Learn how to resolve weak key exchange algorithms in SSH on RHEL 9 and CentOS 9. This step-by-step guide provides troubleshooting tips, solutions, and CLI examples to help secure your SSH connections. Table of Contents Introduction SSH (Secure Shell) is a critical protocol for securely managing servers, especially on Linux-based distributions likeĀ RHEL 9 andĀ CentOS 9. […]