下列哪项是允许某IP访问服务器的MySQL服务
firewall-cmd --permanent --add-rich-rule="rule family=ip source address="10.110.74.248" port port="3306" protocol=tcp accept"
firewall-cmd --permanent --add-rich-rule="rule family=ipv4 source address="10.110.74.248" port port="3306" protocol=tcp accept"
iptables -A INPUT -p tcp -s 192.168.1.66 --dport 3306 -j ACCEPT
iptables -A INPUT -p tcp -d 192.168.1.66 --dport 3306 -j ACCEPT
