linux(centos7)firewalld-cmd查看防火墙状态以及查看当前规则
查看防火墙状态:
[root@localhost ~]# firewall-cmd --state
running
[root@localhost ~]# systemctl status firewalld
firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2020-03-11 11:32:21 CST; 1min 30s ago
Docs: man:firewalld(1)
Main PID: 3353 (firewalld)
CGroup: /system.slice/firewalld.service
└─3353 /usr/bin/python2 -Es /usr/sbin/firewalld --nofork --nopid
Mar 11 11:32:16 localhost.localdomain systemd[1]: Starting firewalld - dynamic firewall daemon...
Mar 11 11:32:21 localhost.localdomain systemd[1]: Started firewalld - dynamic firewall daemon.
查看当前规则:
firewalld uses zones to manage the traffic. If a zone is not specified by the --zone option, the command is effective in the default zone assigned to the active network interface and connection.To list all the relevant information for the default zone:
[root@localhost ~]# firewall-cmd --list-all --zone=public
public (active)
target: default
icmp-block-inversion: no
interfaces: ens33
sources:
services: dhcpv6-client http https ssh
ports: 3306/tcp 443/tcp
protocols:
masquerade: no
forward-ports:
source-ports:
icmp-blocks:
rich rules:
For example, to see which services are allowed in the current zone:
[root@localhost ~]# firewall-cmd --list-services
dhcpv6-client http https ssh