# CNStats STD/PRO 3.2 / User manual

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# "Agents"

The header field "User-Agent" contains information about the user agent which initiated the request. This field is used for statistics, tracking the protocol errors and automatic recognition of user agents. The field may consist of several strings with the software name, optional slash with the software version number, and information about other software products, included in the user agent. According to the existing agreement, software products are listed in descending order of their importance for the identification.

Example:

    Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)
    Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
                 Opera 7.23 [en]
    Mozilla/5.0 (Windows; U; Windows NT 5.0; fr; rv:1.6)
                 Gecko/20040206 Firefox/0.8

By default, only those agents are displayed, from which unique visitors came (new host); it is possible to view the whole list (per users or per pageview) with the help of the additional panel. The report can be displayed in details by means of filter creation button.

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