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。

youdao

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

CNN: SHARE THIS

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