> ssh-agent can be used if you really need to have multiple hops. Possibly you mean, in one's ~/.ssh/config: Host *.trusted.hosts another.one.trusted

> ssh-agent can be used if you really need to have multiple hops. Possibly you mean, in one's ~/.ssh/config: Host *.trusted.hosts another.one.trusted ForwardAgent yes The restriction with Host is that otherwise an untrusted host (or someone having compromised your remote account) could use your agent forwarding socket to identify as you.