yum install zlib-devel openssl-devel pam-devel
进入下载的openssh文件夹
./configure --prefix=/usr --sysconfdir=/etc/ssh --with-md5-passwords --with-pam --with-tcp-wrappers --with-ssl-dir=/usr/local/ssl --without-hardening
make
make install
yum -y remove openssh-server
yum -y install openssh-server
service sshd restart
Centos7 升级ssh
原文：http://www.cnblogs.com/zhufox/p/7498856.html
