远程链接ssh服务过慢尝试执行

sed -i 's/^GSSAPIAuthentication yes$/GSSAPIAuthentication no/' /etc/ssh/sshd_config
sed -i 's/#ListenAddress 0.0.0.0/ListenAddress 0.0.0.0/' /etc/ssh/sshd_config
sed -i 's/#AddressFamily any/AddressFamily inet/' /etc/ssh/sshd_config
sed -i 's/#UseDNS yes/UseDNS no/' /etc/ssh/sshd_config
service sshd restart