D-Link DFL-M510 Faq page 15

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Q: Does Web Content keyword block ASCII code content? How

does it work?

It supports multiple encoding methods for different languages, and the Java applet

will encode the input keyword according to the default encoding setting of the

management console. If the input keyword string is not in ASCII characters, then it first

will be encoded into a sequence of bytes using the default character set of the

management client and saved to the device. The device will filter out the packets with

the matching byte sequence. For example, if the user runs the management client on a

PC and its default character set is Cpl 512 (Russian), and the user enters the keyword

"решетчатая система". According to Cp1512, the given keyword will be encoded as the

following byte sequence:

[OxFO, OxE5, OxF8, OxE5, OxF2, OxF7, OxEO, OxF2, OxEO, OxFF, 0x20, OxFl, OxE8,

OxFl, OxF2, OxE5, OxEc, OxEO]

Packets with a matching byte sequence will be filtered out as they are received by the

device. However, the same string encoded in a different way will pass through the

device provided no other filter catches it.

D-Link Nordic Technical Support