服务器不装防火墙真的能裸奔上网吗?裸奔上网的真相,服务器不装防火墙的网络安全风险解析
Can a server really be exposed to the Internet without a firewall installed? The truth about surfing the Internet naked and an analysis of the network security risks of servers without firewalls installed
以上为机器翻译结果，长、整句建议使用 人工翻译 。