Sidewinder G2 6.1.2 Administration Guide - Glossary of Technical ...

Chapter 6: Configuring Application Defenses
Creating FTP Application Defenses
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3 Click OK to save the rule.
Configuring the Add New File Extension window
This window allows you to specify additional file extensions on which to filter. In
the File Extension field, type the extension (without the leading period) that
you want to add, and then click Add. The file extension is added to the Custom
file extension list.
If you select the Custom file extension option, all file extensions listed in the
box will be allowed, denied, or filtered, depending on the action you select.
Configuring the Default filtering rule action
The default filter rule is a catch-all rule designed to occupy the last position in
your rule table. To modify the default action for the default virus/spyware
filtering rule, do the followings:
1 Select the default rule in the table and click Modify. The Default Action
window appears.
2 Select the appropriate action for this rule and then click OK.
• Allow—The default rule is initially configured to allow all data that does
not match other filter rules. If you leave the default rule as an allow rule,
you must create filter rules that require virus scanning or explicitly deny
any extensions that you do not want to allow, and place them in front of
the default allow rule.
• Deny—If you prefer the default rule to deny all data that did not match a
filter rule, you must create the appropriate virus scan and allow rules
and place them in front of the default deny rule.
• Virus/Spyware Scan—If you want to perform virus and spyware
scanning for traffic that does not match any allow or deny filter rules you
create, select this option. You will then need to create the appropriate
allow and deny rules that will not require scanning.
Configuring the FTP Connection tab
The FTP Connection tab allows you to configure timeout and fast path session
properties, as well as the type of connection that will be allowed (transparent,
non-transparent, or both).
Configuring connection properties is common to most Application Defenses.
For information on configuring the Connections tab, see “Configuring
connection properties” on page 203.
Click the Save icon to save your changes when you are finished configuring an
Application Defense.