Your code and server security is very important to us. Last week we had
many users who successfully deployed full Ruby on Rails stacks on many
One thing we have been asked a lot about is how we connect to the
servers. We understand the security concerns of our users when leaving
port 22 open on their firewalls. That’s why we publish the list of our
gateway IP addresses. These are the only IP addresses we try to make a
SSH connection from on port 22.