并可根据各行业的特点要求设计定做非标准的设备。
And according to the characteristics of various industries to design custom non-standard equipment.
前者是一种非常快速的方法，但是在某些操作系统中，对于一些非标准的文件，如管道和设备，可能会出现问题。
The former is a very quick method but, on some operating systems, you might experience problems with non-standard files, such as pipes and devices.
设备也可识别和拦截到达非标准或非指定的端口。
The appliance also can identify and block threats that arrive on non-standard and non-assigned ports.
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