While this is cool, nobody should be using agent forwarding in 2017. Use ProxyCommand or ProxyJump https://en.wikibooks.org/wiki/OpenSSH/Cookbook/Proxies_and_J

While this is cool, nobody should be using agent forwarding in 2017. Use ProxyCommand or ProxyJump https://en.wikibooks.org/wiki/OpenSSH/Cookbook/Proxies_and_Jump_Hosts#Jump_Hosts_--_Passing_Through_a_Gateway_or_Two https://en.wikibooks.org/wiki/OpenSSH/Cookbook/Proxies_and_J...