Kerio-tech Firewall6 Bedienungsanleitung PDF herunterladen (Seite 184)

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Chapter 13 Antivirus control

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Scanning rules are ordered in a list and processed from the top. Arrow buttons on the right can

be used to change the order. When a rule which matches the object is found, the appropriate

action is taken and rule processing is stopped.

New rules can be created in the dialog box which is opened after clicking the Add button.

Figure 13.8 Deﬁnition of an HTTP/FTP scanning rule

Description

Description of the rule (for reference of the WinRoute administrator only)

Condition

Condition of the rule:

• HTTP/FTP ﬁlename

— this option ﬁlters out certain ﬁlenames (not entire URLs) transmitted by FTP

or HTTP (e.g.

.exe,

.zip, etc.).

If only an asterisk is used for the speciﬁcation, the rule will apply to any ﬁle

transmitted by HTTP or FTP.

The other two conditions can be applied only to HTTP:

• MIME type

— MIME types can be speciﬁed either by complete expressions (e.g. image/jpeg)

or using a wildcard matching (e.g. application/

• URL — URL of the object (e.g. www.kerio.com/img/logo.gif), a string speciﬁed

by a wildcard matching (e.g.

.exe) or a server name (e.g. www.kerio.com).

Server names represent any URL at a corresponding server (www.kerio.com/

If a MIME type or a URL is speciﬁed only by an asterisk, the rule will apply to any HTTP

object.

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