centos 关闭防火墙

# 查看防火墙状态
systemctl status firewalld.service 
#● firewalld.service - firewalld - dynamic firewall daemon
#   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)
#   Active: active (running) since Tue 2021-07-27 09:03:17 CST; 7min ago
#     Docs: man:firewalld(1)
# Main PID: 1189 (firewalld)
#    Tasks: 2 (limit: 74547)
#   Memory: 31.1M
#   CGroup: /system.slice/firewalld.service
#           └─1189 /usr/libexec/platform-python -s /usr/sbin/firewalld --nofork --nopid

# 关闭防火墙
systemctl stop firewalld.service

# 禁止开机自动启动
systemctl disable firewalld.service 
#Removed /etc/systemd/system/multi-user.target.wants/firewalld.service.
#Removed /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.