Therefore, it is very important to introduce encryption into firewall technology to fulfil this task.

为此，需引入加密技术来保证其完整性和保密性。

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An open system has to face up to various threats and attacks. We introduce of the traditional firewall technology.

作为一个面向大众的开放系统，计算机网络面临着来自各方面的威胁和攻击。

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New technology should provide a secure firewall against hackers.

新技术应该提供一个安全的防火墙以防御黑客。

《柯林斯英汉双解大词典》

Check Point created the first firewall using "stateful inspection" -- the second-generation of firewall technology widely used today.

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Yet ironically, as Microsoft slowly improves the security of its products by, for instance, incorporating firewall technology, anti-virus systems and spam filters its actions increasingly start to resemble those that, in the past, have got the firm into trouble with regulators.

ECONOMIST: Microsoft

It demanded he improve his technology, including installing a new higher-grade firewall.

WSJ: Hackers New Target: Small Firms With Lax Security