Firewalld list rules
To list rules use command firewall-cmd –list-all –zone=public To list all open ports firewall-cmd –list-ports Example [root@centos7 zones]# firewall-cmd –zone=public –add-rich-rule=’rule family=”ipv4″ source address=”10.1.1.2/32″ port protocol=”tcp” port=”1-65535″ accept’ success [root@centos7 zones]# firewall-cmd –list-all –zone=public public (active) target: default icmp-block-inversion: no interfaces: eth0 eth1 sources: services: dhcpv6-client ssh ports: 25/tcp 9090/tcp protocols: masquerade: no forward-ports: source-ports: … Read more