[root@localhost /]# yum install iptables-services

[root@localhost /]# vim /etc/sysconfig/iptables

[root@localhost /]# systemctl enable iptables

[root@localhost /]# systemctl start iptables

[root@localhost /]# yum -y install smartmontools

[root@localhost /]# chmod u+s /usr/sbin/smartctl

[root@localhost /]# yum -y install http://repo.zabbix.com/zabbix/3.0/rhel/7/x86_64/zabbix-agent-3.0.3-1.el7.x86_64.rpm

[root@localhost /]# vim /etc/zabbix/zabbix_agentd.conf

Server=172.16.1.186

ServerActive=172.16.1.186

Hostname=L-172.16.1.207

UserParameter=connection.tcp,ss -nat | grep ESTA | wc -l

UserParameter=smart.health.sda,smartctl -H /dev/sda | grep PASSED | wc -l

UserParameter=smart.health.sdb,smartctl -H /dev/sdb | grep PASSED | wc -l

[root@localhost /]# systemctl enable zabbix-agent

[root@localhost /]# systemctl start zabbix-agent