Kerio-tech Firewall6 Manual de usuario descargar pdf (Pagina 162)

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Chapter 12 HTTP and FTP ﬁltering

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Figure 12.5 HTTP protocol inspector settings

12.3 Global rules for Web elements

In WinRoute you can also block certain features contained in HTML pages. Typical undesirable

items are ActiveX objects (they might enable starting of applications on client hosts) and pop-

up windows (automatically opened browser windows, usually used for advert purposes).

To deﬁne content global ﬁltering rules go to the Content Rules tab in the Conﬁguration →

Content Filtering → HTTP Policy section. Special settings for individual pages can be deﬁned

in URL Rules section (refer to chapter 12.2).

Settings on the WWW content scanning options tab are applied to traﬃc of hosts where users

are not authenticated. Special settings are used for users connected through the ﬁrewall.

Each authenticated user can customize ﬁltering rules at the user preferences page (see chap-

ter 11.4). However, users that are not allowed to override WWW content rules (refer to chap-

ter 15.1) cannot permit HTML features that are denied globally.

Allow HTML ActiveX objects

Active objects at web pages.

This option allows/blocks <object> and <embed> HTML tags.

Allow <Script> HTML tags

HTML <script> tags — commands of scripting languages, such as JavaScript, VBScript,

etc.

Allow HTML JavaScript pop-up windows

Automatic opening of new browser windows — usually pop-up windows with advertise-

ments.

This option enables/blocks the window.open() method in scripts

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