CentOS 7 中firewall-cmd命令详细介绍

Flavia ·

更新时间:2024-11-15

· 793 次阅读

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:

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CentOS 7 firewall-cmd cmd命令 centos

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