1.端口
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
2.查看防火墙所有开放的端口
firewall-cmd --zone=public --list-ports
3.防火墙
//停止firewall服务:
sudo systemctl stop firewalld
//禁用firewall服务,以防止系统重启时自动启动:
sudo systemctl disable firewalld
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