Host dev01 HostName i-xxxxxxxxxxxxxxxxx ProxyCommand sh -c "aws ssm start-session --target %h --document-name AWS-StartSSHSession --parameters 'portNumber=%p'" Host web01 HostName i-xxxxxxxxxxxxxxxxx ProxyCommand sh -c "aws ssm start-session --target %h --document-name AWS-StartSSHSession --parameters 'portNumber=%p'" #!/usr/bin/python import sys import subprocess import argparse from boto3.sessio