Centos7升级openssh+openssl

可按照以下命令安装最新版本openssl和openssh
```
sshd -V
openssl version
yum -y install gcc pam-devel zlib-devel openssl-devel net-tools
yum install perl -y
yum install perl-IPC-Cmd -y
# 下载地址：https://openssl-library.org/source/old/index.html
wget https://github.com/openssl/openssl/releases/download/openssl-3.3.1/openssl-3.3.1.tar.gz
ll
mv openssl-3.3.1.tar.gz /usr/local/src/
cd /usr/local/src/
ll
tar zxvf openssl-3.3.1.tar.gz 
cd openssl-3.3.1/
./config --prefix=/usr/local/openssl --openssldir=/usr/local/openssl shared zlib
make -j2 && make install
mv /usr/bin/openssl /usr/bin/old_openssl
mv /usr/include/openssl /usr/include/old_openssl
mv /usr/lib64/openssl /usr/lib64/old_openssl
mv /usr/lib64/libssl.so.10 /root/
mv /usr/lib64/libcrypto.so.10 /root/
ln -s /usr/local/openssl/bin/openssl /usr/bin/openssl
ln -s /usr/local/openssl/include/openssl /usr/include/openssl
echo "/usr/local/openssl/lib64" >> /etc/ld.so.conf.d/openssl-renwole.com.conf
ldconfig
openssl version
mv /etc/ssh/ /home/ssh-bak
mv /usr/bin/ssh /usr/bin/ssh.bak
mv /usr/sbin/sshd /usr/sbin/sshd.bak
mv /etc/pam.d/sshd  /etc/pam.d/sshd.old
cd ..
ll
# 下载地址：https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/
wget https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-9.9p1.tar.gz
ll
tar zxvf openssh-9.9p1.tar.gz 
cd openssh-9.9p1/                    
./configure --prefix=/usr --sysconfdir=/etc/ssh --with-md5-passwords --with-pam --with-zlib --with-tcp-wrappers --with-ssl-dir=/usr/local/openssl/ --without-hardening
make -j2 && make install
ssh -V
cp contrib/redhat/sshd.pam /etc/pam.d/sshd.pam
cp contrib/redhat/sshd.init /etc/init.d/sshd
echo 'X11Forwarding yes' >> /etc/ssh/sshd_config
echo "PermitRootLogin yes" >> /etc/ssh/sshd_config
cp /etc/pam.d/sshd.old /etc/pam.d/sshd
vi /etc/ssh/sshd_config 
chkconfig --add sshd
chkconfig sshd on
systemctl enable sshdssl
systemctl status sshd
systemctl restart sshd
systemctl enable sshd
ssh -V
netstat -lnp | grep 60000
sshd -V
openssl version
```

参考：https://blog.csdn.net/qq_31806889/article/details/144400284