CentOS 7 中firewall-cmd命令

CentOS 7 中firewall-cmd命令

原文链接: http://www.bkjia.com/Linuxjc/977946.html

在 CentOS 7

暂时开放 ftp服务
#firewall-cmd --add-service=ftp

永久开放 ftp服务
#firewall-cmd --add-service=ftp --permanent
永久关闭
#firewall-cmd --remove-service=ftp --permanent
success

让设定生效
#systemctl restart firewalld

检查设定是否生效
#iptables -L -n | grep 21
ACCEPTtcp--0.0.0.0/00.0.0.0/0tcp dpt:21 ctstate NEW

检查防火墙状态
#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:

在 FirewallD 的服务名称
#firewall-cmd --get-service
amanda-client bacula bacula-client dhcp dhcpv6 dhcpv6-client dns ftp high-availability http https imaps ipp ipp-client ipsec kerberos kpasswd ldap ldaps libvirt libvirt-tls mdns mountd ms-wbt mysql nfs ntp openvpn pmcd pmproxy pmwebapi pmwebapis pop3s postgresql proxy-dhcp radius rpc-bind samba samba-client smtp ssh telnet tftp tftp-client transmission-client vnc-server wbem-https

查询服务的启用状态
#firewall-cmd --query-service ftp
yes
#firewall-cmd --query-service ssh
yes
#firewall-cmd --query-service samba
no
#firewall-cmd --query-service http
no

自行加入要开放的 Port
#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: