Cisco Cisco Web Security Appliance S360 User Guide
Chapter 12 Data Security and External DLP Policies
Controlling Upload Requests Using IronPort Data Security Policies
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Cisco IronPort AsyncOS 7.1 for Web User Guide
OL-23207-01
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File type. You can block predefined file types or custom MIME types you
enter. When you block a predefined file type, you can block all files of that
type or files greater than a specified size. When you block a file type by size,
the maximum file size you can specify is the same as the value for the “Object
Scanning Limits” field on Security Services > Anti-Malware page. By
default, that value is 32 MB.
enter. When you block a predefined file type, you can block all files of that
type or files greater than a specified size. When you block a file type by size,
the maximum file size you can specify is the same as the value for the “Object
Scanning Limits” field on Security Services > Anti-Malware page. By
default, that value is 32 MB.
IronPort Data Security Filters do not inspect the contents of archived files
when blocking by file type. Archived files can be blocked by its file type or
file name, not according to its contents.
when blocking by file type. Archived files can be blocked by its file type or
file name, not according to its contents.
Note
For some groups of MIME types, blocking one type blocks all MIME
types in the group. For example, blocking application/x-java-applet
blocks all java MIME types, such as application/java and
application/javascript.
types in the group. For example, blocking application/x-java-applet
blocks all java MIME types, such as application/java and
application/javascript.
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File name. You can block files with specified names. You can use text as a
literal string or a regular expression for specifying file names to block. For
more information on using regular expressions, see
literal string or a regular expression for specifying file names to block. For
more information on using regular expressions, see
Note
Only enter file names with 8-bit ASCII characters. The Web Proxy only
matches file names with 8-bit ASCII characters.
matches file names with 8-bit ASCII characters.
shows the IronPort Data Security Policies > Content page
where you configure the content control settings.