(Sniffers (sniffer) have almost as long a history as the Internet. Sniffer is a commonly used method to collect effective data, such as the user's account number and password, some commercial secret data and so on. With the increasing popularity of the Internet and e-commerce, the security of the Internet has been paid more and more attention. Sniffer, who plays one of the primary roles in Internet security risks, has been paid more and more attention.)
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