1Bastion vs SSM
While Bastion hosts are traditional, AWS Systems Manager (SSM) Session Manager is now the recommended approach as it requires no open inbound ports and no SSH keys.
Learn about Secure Admin Access in this comprehensive Cloud Computing tutorial. Jump boxes and NAT.
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While Bastion hosts are traditional, AWS Systems Manager (SSM) Session Manager is now the recommended approach as it requires no open inbound ports and no SSH keys.

Pascual Vila
Frontend Instructor // Code Syllabus
Network Address Translation
// NAT Gateway contextJump server.
// Bastion Host contextLaunching an EC2 Instance
Multi-Factor Authentication (MFA) & Root Account Security
Private vs. Public IPs & SSH (Key Pairs)
RDS Multi-AZ vs. Read Replicas
AMIs (Amazon Machine Images)
API Gateway (REST & HTTP APIs)