Update: EC2 SSH on the iPhone with Panic Prompt. In the PuTTY Configuration window, enter the following values: For Host Name (or IP address) enter the following command. For all those who asked for AWS .PEM support, the AWS .PEM key is simply an OpenSSH format SSH private key. Replace the values with the NetBIOS name, Username, and WorkSpace IP that you noted in earlier steps: Anyone who possesses your private key can decrypt your login information, so it's important that you store your private keys in a secure place. The keys that Amazon EC2 uses are 2048-bit SSH-2 RSA keys. Many people wanted to SSH into their Amazon cloud, … Back in April, Panic shipped a beautiful SSH app for iPhone and iPad: Prompt.Quite a few comments on that announcement blog post concerned EC2. To import it into Prompt, do the following from a UNIX command prompt: cp whatever.pem aws. You can have up to 5,000 key pairs per Region. Wow, AWS is really popular around here. chmod 600 aws. In the navigation pane of the Amazon EC2 console, choose Instances.Select your instance and look at the Description tab; Security groups lists the security groups that are associated with the instance. Then drag the files aws and aws.pub to iTunes. Verify that there isn't a firewall blocking the connection, that the SSH service is running on the instance, and that SSH tcp port 22 is in the listening state. Amazon EC2 stores the public key only, and you store the private key. (See an example of the SSH command under Linux, in the preceding section.) There are three methods for performing these tasks: Method 1: Use AWS Systems Manager Session Manager. ssh-keygen -y -f aws > aws.pub. To enable SSH connections, you create a new security group or update an existing security group and add a rule to allow inbound traffic for this purpose. To add a rule to a security group for inbound SSH traffic over IPv4 (console). Connect to your Linux WorkSpace using PuTTY. Security groups act as a firewall for associated instances, controlling both inbound and outbound traffic at the instance level. 1. Note: Installation of the SSM Agent is required to use this method.