Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
21-2
Cisco AsyncOS 9.0 for Email User Guide
Chapter 21 Text Resources
Content Dictionaries
Text Resources
Text resources are text objects, such as disclaimers, notification templates, and anti-virus templates. You
can create new objects for use in various components of AsyncOS. You can import and export text
resources.
can create new objects for use in various components of AsyncOS. You can import and export text
resources.
Message Disclaimer Stamping
Message disclaimer stamping allows you to add a disclaimer text resource to messages. For example,
you could append a copyright statement, promotional message, or disclaimer to every message sent from
within your enterprise.
you could append a copyright statement, promotional message, or disclaimer to every message sent from
within your enterprise.
Content Dictionaries
Content dictionaries are groups of words or entries that work in conjunction with the Body Scanning
feature on the appliance and are available to both content and message filters. Use the dictionaries you
define to scan messages, message headers, and message attachments for terms included in the dictionary
in order to take appropriate action in accordance with your corporate policies. For example, you could
create a list of confidential or profane words, and, using a filter rule to scan messages that contain words
in the list, drop, archive, or quarantine the message.
feature on the appliance and are available to both content and message filters. Use the dictionaries you
define to scan messages, message headers, and message attachments for terms included in the dictionary
in order to take appropriate action in accordance with your corporate policies. For example, you could
create a list of confidential or profane words, and, using a filter rule to scan messages that contain words
in the list, drop, archive, or quarantine the message.
The AsyncOS operating system includes the ability to define a total of 100 content dictionaries using the
GUI (Mail Policies > Dictionaries) or the CLI’s
GUI (Mail Policies > Dictionaries) or the CLI’s
dictionaryconfig
command. You can create, delete,
and view dictionaries; add and delete entries from a dictionary; and import and export entire dictionaries.
Related Topics
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Dictionary Content
Words in dictionaries are created with one text string per line, and entries can be in plain text or in the
form of regular expressions. Dictionaries can also contain non-ASCII characters. Defining dictionaries
of regular expressions can provide more flexibility in matching terms, but doing so requires you to
understand how to delimit words properly. For a more detailed discussion of Python style regular
expressions, consult the Python Regular Expression HOWTO, accessible from
form of regular expressions. Dictionaries can also contain non-ASCII characters. Defining dictionaries
of regular expressions can provide more flexibility in matching terms, but doing so requires you to
understand how to delimit words properly. For a more detailed discussion of Python style regular
expressions, consult the Python Regular Expression HOWTO, accessible from
http://www.python.org/doc/howto/
Note
To use the special character # at the beginning of a dictionary entry, you can use a character class [#] to
prevent it being treated as a comment.
prevent it being treated as a comment.