Blocking web object elements for particular users
You can define a filter to protect Kerio Control users from potentially harmful objects in web pages.
By default, Kerio Control does not block any web elements.
Blocking web elements
- In the administration interface, go to the Users section.
- Double-click a user's name, or click Template to apply the filter to all users in the domain.
- In the Edit User or Edit User Template dialog box, go to Preferences.
- Select the type of objects you want to block:
- Filter out HTML Java applets blocks applets in Java.
- Filter out HTML ActiveX objects allows or blocks object and embedded HTML tags. Active objects at web pages.
- Filter out HTML Script tags blocks the executive code in JavaScript, VBScript, and so on.
- Filter out HTML JavaScript pop-up windows allows or blocks the window.open() method in JavaScript. Automatic opening of new browser windows, usually pop-up windows with advertisements.
- Filter out cross-domain referrer enables or disables the HTTPHypertext Transfer Protocol - protocol for exchange of hypertext documents in HTML. referrer item in headers.
- Click OK.
If users complain about functionality of important web pages after the filter is enabled, deselect some options on the Preferences tab.