[리눅스]firewalld

참고사이트

http://blog.plura.io/?p=4519

https://www.lesstif.com/pages/viewpage.action?pageId=22053128

https://blog.asamaru.net/2015/10/16/centos-7-firewalld/

firewall-cmd --zone=public --add-port=1521/tcp

firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4"  source address="182.162.82.162"  port protocol="tcp" port="1521" accept'

firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4"  source address="121.191.74.240"  port protocol="tcp" port="1521" accept'