Protocal: SFTP port 22
Server: <ip>
username: ubuntu
password: <blank>
Root URL: http://<ip>/sub

Host <ip>
User ubuntu
IdentityFile ~/.ssh/key.pem
HostName <ip>

# AWS Ec2 Ireland
Host *.eu-west-1.compute.amazonaws.com
IdentityFile /location/of/your/pem/file/dublin.pem
StrictHostKeyChecking no
UserKnownHostsFile /dev/null
IdentitiesOnly yes
ForwardAgent no