You may need to reconfigure the firewall if you add a new machine to your network.

如果在网络中增加新计算机，可能就得重新设定防火墙。

《牛津词典》

youdao

Select the Firewall Type to be loopback-proxy.

为Firewall Type选择loopback - proxy。

youdao

But I don't really know about how long it would take people to hack, like, the general firewall

但我不知道人们具体要用多长时间才能穿过防火墙，

理想是当密码专家 - SpeakingMax英语口语达人

Most firewall vendors include a VPN application as a part of the firewall itself.

FORBES: Teach Your Boss to Speak Security: Economy of Mechanism

So why not deploy an intelligent appliance behind the router and in front of the firewall?

FORBES: Clean That Network Traffic

Any change to the complex rule set in the firewall could have unintended consequences.

FORBES: Reduce Policy Complications to Enhance Security