#1344
Fixing SSH login long delay
In /etc/ssh/ssh_config
comment out these lines:
GSSAPIAuthentication yes GSSAPIDelegateCredentials no
Disable reverse IP resolution on SSH server
UseDNS no
Windows : Mapping drive letters to local folders WLST : Try Catch
https://injustfiveminutes.com/2013/03/13/fixing-ssh-login-long-delay/
https://unix.stackexchange.com/questions/5621/how-to-speed-my-too-slow-ssh-login
service sshd restart