Chapter 13
Antivirus control
184
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.
Summary of Contents for Firewall6
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