Cisco Cisco Email Security Appliance X1070 ユーザーガイド
11-7
Cisco AsyncOS 8.5.5 for Email Security User Guide
Chapter 11 Content Filters
How Content Filters Work
Subject Header
Subject Header: Does the subject header match a certain pattern?
Contains terms in content dictionary: Does the subject header contain
any of the regular expressions or terms in the content dictionary
<dictionary name>?
any of the regular expressions or terms in the content dictionary
<dictionary name>?
To search for dictionary terms, the dictionary must already have been
created. See
created. See
.
Note
The dictionary-related conditions are only available if you have
one or more dictionaries enabled. For information about creating
content dictionaries, see
one or more dictionaries enabled. For information about creating
content dictionaries, see
.
Other Header
Header name: Does the message contain a specific header?
Header value: Does the value of that header match a certain pattern?
Header value contains terms in the content dictionary. Does the
specified header contain any of the regular expressions or terms in the
content dictionary named <dictionary name>?
specified header contain any of the regular expressions or terms in the
content dictionary named <dictionary name>?
To search for dictionary terms, the dictionary must already have been
created. See
created. See
Note
The dictionary-related conditions are only available if you have
one or more dictionaries enabled. For information about creating
content dictionaries, see
one or more dictionaries enabled. For information about creating
content dictionaries, see
.
For an example showing how this option can be used, see
.
Table 11-2
Content Filter Conditions (continued)
Condition
Description