How to Secure SSH on a Linux Server (Stop Opening Port 22)

Port 22 open to 0.0.0.0/0 lets every bot on the internet try to log in to your server. SSH itself is secure; the exposure is the problem. Learn how to restrict SSH to trusted IPs, use a VPN or AWS Systems Manager, switch to SSH keys, and why moving SSH to port 2222 is not real access control. Chapters 0:00 The open door 0:24 What ssh is 0:51 0.0.0.0/0 1:34 Trusted ips 2:23 Ssh keys 3:07 The 2222 myth 3:40 Least privilege 4:10 Defense in depth 4:38 Security groups 5:15 Smallest path 6:04 Review access 6:33 Intentional access 7:03 Work with us Need your servers locked down? Schedule a call: https://teamseven.ltd Email: business@teamseven.ltd Instagram: https://www.instagram.com/teamseven.ltd/ Facebook: https://facebook.com/teamseven.ltd YouTube: https://www.youtube.com/@teamsevenltd #sshsecurity #port22 #awssecuritygroups #linuxserver #sshkeys #leastprivilege #devops #serversecurity