CONTENT FILTERING IN PROCESS OF WEB-VIEWING Russian patent published in 2008 - IPC G06F17/30 G06F13/00 H04L12/22 

FIELD: physics, computer equipment.

SUBSTANCE: invention is related to the field of control of access to Internet sites. System and method are realised in personal computer, in which local buffer of scores, buffer updater, local interpreter of scores and list of blocking-permission are installed. Whenever user tries to obtain access to Internet site addressed with the help of determined unified resource locator ("URL"), system defines whether this URL refers to list of blocking-permission, and if so, accordingly permits or blocks access to site, to which URL refers. If no reference is available for this URL in list of blocking-permission, then invention receives category of content either form local buffer of scores or, if it is not available there, from service of scores. If content category may be viewed by person from this age group of user, as it is determined with the help of age group chart that presents cross references of age groups with categories permitted for viewing for every age group, local interpreter of scores permits access to Internet site, to which certain URL refers, otherwise access is not permitted.

EFFECT: improvement of protection against unauthorised access.

47 cl, 4 dwg