一、关闭firewalld，安装iptables
1、systemctl status firewalld（查看firewalld的状态）
2、systemctl stop firewalld（关闭firewalld）
3、systemctl disable firewalld.service（禁止firewalld开机启动）

4、yum install iptables-services（安装iptables）
5、systemctl enable iptables.service（开启开机启动服务）
6、systemctl start iptables.service（开启进程）
7、systemctl status iptables.service（查看状态）
8、分别执行iptables -F、iptables -X、iptables -Z（初始化设置）
9、service iptables save（保存设置）

二、安装以及升级组件（全部执行一次即可）
1、yum install -y gcc gcc-c++ zlib-devel openssl-devel pam* pam-devel*
2、yum install expat-devel -y
3、yum install numactl* -y
4、yum install libaio*
5、yum install epel*
6、yum install oniguruma*
7、yum -y install openssl openssl-devel pcre pcre-devel libpng libpng-devel libjpeg-6b libjpeg-devel-6b freetype freetype-devel gd gd-devel zlib zlib-devel bzip2 bzip2-devel libXpm libXpm-devel ncurses ncurses-devel mcrypt libmcrypt libmcrypt-devel libxml2 libxml2-devel curl curl-devel libcurl libcurl-devel libjpeg libjpeg-devel gmp gmp-devel zip libzip libzip-devel sqlite sqlite-devel oniguruma oniguruma-devel readline readline-devel libxslt libxslt-devel ntp make fontconfig-devel libtiff-devel libevent-devel gcc gcc-c++ flex bison imake autoconf automake screen sysstat compat-libstdc++-33 php-gd gdbm-devel glib2 glib2-devel libdb4-devel libicu-devel libmemcached-devel xmlrpc-c xmlrpc-c-devel glibc glibc-devel

8、yum install gcc \
autoconf \
gcc-c++ \
libxml2 \
libxml2-devel \
openssl \
openssl-devel \
bzip2 \
bzip2-devel \
libcurl \
libcurl-devel \
libjpeg \
libjpeg-devel \
libpng \
libpng-devel \
freetype \
freetype-devel \
gmp \
gmp-devel \
readline \
readline-devel \
libxslt \
libxslt-devel \
systemd-devel \
openjpeg-devel \
oniguruma \
oniguruma-devel

9、yum update -y