URL and Hostname - to type any URL starting with the specified string.File Name - to allow/disable the transfer of the defined file types.Applications and Web Categories - for pages sorted in the selected categories by the Kerio Control Web Filter and the application awareness for pages sorted in the selected categories by the application detection.In the Content Rule - Detected Content dialog box, click: Create time intervals in Definitions > Time Ranges > then you can select the time interval in the Content Rules table. (Optional) Set the valid time - you can set a time interval for applying the rule.Double-click the Action column and fill in the dialog box (see details in Setting actions).Double-click the Source column and select users and/or IP addresses.Double-click the Detected content column and select what type of content should be filtered.In the table, specify the name of the rule in the newly created line.In the administration interface, go to Content Filter.Duplicating a rule and adjusting some parameters is quicker than creating the new rule. If you want to create a new content rule, try to find a similar one and duplicate it first (click on More Actions -> Duplicate). Edit the time range of the highlighted rule.Change the description the highlighted rule.Change the color of the highlighted rule.Color your own rules for clear arrangement (8).Use the arrows to adjust the order of rules. Red color highlights denying and dropping rules (6).Green color highlights allowing rules (5).The default rule allows all content (4).Kerio Control Web Filter or the application awareness feature is inactive on the Content Filter > Applications and Web Categories tab. Rules are greyed out when they are inactive(3).Checkboxes which enable/disable rules (1).In the Content Filter table, you can see: Action describes what to do with the selected content.A source is a person or IP address to which the rule applies.Detected content defines what types of content to filter.Here there are the most important parts of each rule: Each part is represented with a column in the Content Rules table. The Content Rules table includes several predefined rules.Įach rule is compound from several parts. Note: Kerio Control does not apply content rules to the reverse proxy traffic. In such case, content rules are not applied. However, the FTP protocol cannot be filtered if the parent proxy server is used. Content rules are also applied when Kerio Control's proxy server is used.Secured FTP traffic (FTPS, SFTP) cannot be filtered.Learn more in a special article HTTPS filtering specifics. Kerio Control performs URL based filtering for encrypted traffic (HTTPS protocol).The HTTP, FTP, and POP3 protocol inspectors have been activated automatically unless their use is denied by traffic rules. Traffic must be controlled by the HTTP / FTP / POP3 protocol inspector.It can also be used to filter access to certain FTP servers, enforce SafeSearch, eliminate P2P networks. The content filter allows setting limitations based on URL, worldwide website classification database, forbidden words, and filenames. This filtering on different network layers is easily configured by a single set of rules. The content filter uses Kerio Control Web Filter and Application awareness. In the content filter, Kerio Control defines the types of web activities that are allowed by users' PCs on your network.
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