Securely access remote instances with aws bastion host

 

A bastion host is a server whose purpose is to provide access to a private network from an external network, such as the Internet. 

 

Step 1) Configure VPC with Private subnet and Public subnet.

Step 2) Create a EC2 instance in public subnet, and define the name (Bastion host)

Step 3) Go to security group of Private instance and allow ssh for Bastion_host

Step 4) Take SSH of Bastion_host and Now take ssh of Private subnet instance