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CentOS 7 中firewall-cmd命令详细介绍

运维开发网 https://www.qedev.com 2020-04-01 13:42 出处:网络 作者: lqh
 CentOS 7 中firewall-cmd命令 在 CentOS 7 暂时开放 ftp 服务 # firewall-cmd --add-service=ftp

 CentOS 7 中firewall-cmd命令

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

ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp 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:

感谢阅读,希望能帮助到大家,谢谢大家对本站的支持!

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