After update Mac OS Sierra, Can not use ssh login remote system,how can I fix this?

Question

when I use user@ip to login remote system, it report like this:

debug1: /etc/ssh/ssh_config line 17: Applying options for *
/etc/ssh/ssh_config: lin         


        

Answer 1

Fix for SSH 10.12:

sudo nano /etc/ssh/ssh_config

Comment out with a #:

• GSSAPIKeyExchange no
• GSSAPITrustDNS no
• type Control+o
• type Control+x