ssh 优化

ssh 优化

 vim +115 /etc/ssh/sshd_config
 vim +79 /etc/ssh/sshd_config

sed -i '79s/GSSAPIAuthentication yes/GSSAPIAuthentication no/'  /etc/ssh/sshd_config
sed -i "115s#\#UseDNS yes#UseDNS no#" /etc/ssh/sshd_config