A firewall provides an essential security blanket for your computer network.

防火墙为计算机网络提供了基本安全保障。

《牛津词典》

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。

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You can also access the guest from other computers on your network, so you may want to set up new firewall rules.

也可以从网络中其他计算机访问客户端。因此要设定新的固件规则。

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Nice idea, but in this day of sophisticated attacks you can be sure that hackers are already inside the network behind the firewall.

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Based on the WebDAV standard, Bussmann says the goals are to make it as easy to use as iCloud or DropBox for both mobile devices and laptops (something SharePoint, what many companies use today, is poor at), while also providing the security only an internal, behind-the-firewall network can.

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Secure Computing is a niche player in network security that offers firewall software and intrusion prevention software.

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