1、查看防火墙状态

 firewall-cmd –state

2、查看防火墙所有开放的端口

firewall-cmd –zone=public –list-ports

firewall-cmd –zone=public –add-port=5672/tcp –permanent   # 开放5672端口

firewall-cmd –zone=public –remove-port=5672/tcp –permanent  #关闭5672端口

firewall-cmd –reload   # 配置立即生效