I remember reading about a tool Instagram used for SSH management, but that might not be a &quot;best practice&quot;. (<a href="http:&#x2F;&#x2F;instagram-engineering.tumblr.com&#x2F;post&#x2F;11399488246&#x2F;simplifying-ec2-ssh-connections" rel="nofollow">http:&#x2F;&#x2F;instagram-engineering.tumblr.com&#x2F;post&#x2F;11399488246&#x2F;sim...</a>)