Firewall-cmd command in CentOS 7

In CentOS 7 Temporarily Open FTP Service # Firewall-cmd--add-service=ftp Permanently open FTP Service # Firewall-cmd--add-service=ftp--permanent Permanently closed # Firewall-cmd--remove-service=ftp--permanent Success Let the setting take effect # systemctl Restart Firewalld Check that the settings are in effect # iptables-l-N | grep 21 ACCEPT TCP--0.0.0.0/0 0.0.0.0/0 TCP dpt:21 ctstate NEW Check firewall status # Firewall-cmd--state Running # Systemctl Stop Firewalld # Firewall-cmd--state Not running # Firewall-cmd--list-all Public (default) Interfaces Sources services:dhcpv6-client ftp SSH Ports Masquerade:no Forward-ports: Icmp-blocks: Rich rules: Service name in FirewallD # Firewall-cmd--get-service Amanda-client bacula bacula-client DHCP DHCPv6 dhcpv6-client DNS FTP high-availability http HTTPS imaps IPP ipp-client IPs EC Kerberos KPASSWD LDAP ldaps libvirt libvirt-tls mdns mountd MS-WBT mysql NFS ntp openvpn pmcd pmproxy pmwebapi Pmwebapi s pop3s PostgreSQL proxy-dhcp radius rpc-bind samba samba-client smtp ssh telnet tftp tftp-client transmission-client vnc- Server Wbem-https Query the enabled state of a service # Firewall-cmd--query-service FTP Yes # firewall-cmd--query-service SSH Yes # Firewall-cmd--query-service Samba No # Firewall-cmd--query-service http No Join the Port you want to open yourself # Firewall-cmd--add-port=3128/tcp # Firewall-cmd--list-all Public (default) Interfaces Sources services:dhcpv6-client ftp SSH Ports:3128/tcp Masquerade:no Forward-ports: Icmp-blocks: Rich rules:

Firewall-cmd command in CentOS 7