Cisco Cisco Email Security Appliance X1070 ユーザーガイド
14-5
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
OL-25136-01
Chapter 14 Text Resources
Figure 14-2
The Dictionaries Page
Step 2
Type a name for the dictionary.
Step 3
Specify whether to match whole words only by marking the checkbox next to Match Whole Words Only.
See
See
for more information.
Step 4
Specify whether to perform case-sensitive searches. See
more information.
Note
AysncOS preserves the Match Whole Words and Case Sensitive settings when they are saved in
the configuration file. These settings are not preserved when importing and exporting
dictionaries.
the configuration file. These settings are not preserved when importing and exporting
dictionaries.
Step 5
Optionally, add a smart-identifier to the dictionary. Smart identifiers are algorithms that search for
patterns in data that correspond to common numeric patterns, such as social security numbers and ABA
routing numbers. For more information about smart identifiers, see the “Using Message Filters to
Enforce Email Policies” chapter in Cisco IronPort AsyncOS for Email Advanced Configuration Guide.
patterns in data that correspond to common numeric patterns, such as social security numbers and ABA
routing numbers. For more information about smart identifiers, see the “Using Message Filters to
Enforce Email Policies” chapter in Cisco IronPort AsyncOS for Email Advanced Configuration Guide.
Step 6
Enter new dictionary entries into the list of terms. For more information about the kinds of entries that
are supported, see
are supported, see
Step 7
Specify a weight for the term. You can “weight” a dictionary term so that it is more likely than other
terms to trigger a filter action. For more information about how this weight is used to determine filter
actions, see “Threshold Scoring for Content Dictionaries” in the “Using Message Filters to Enforce
Email Policies” chapter of the Cisco IronPort AsyncOS for Email Advanced Configuration Guide.
terms to trigger a filter action. For more information about how this weight is used to determine filter
actions, see “Threshold Scoring for Content Dictionaries” in the “Using Message Filters to Enforce
Email Policies” chapter of the Cisco IronPort AsyncOS for Email Advanced Configuration Guide.
Step 8
Click Add.
Step 9
Submit and commit your changes.
The Dictionaries page now lists the new dictionary, along with the terms included and the setting
configured for the dictionary.
configured for the dictionary.
Note
Content dictionary entries with the regular expression: “
.*
” at the beginning or end will cause the system
to lock if a match for the “word” MIME part is found. Cisco Systems recommends you do not use “
.*
”
at the beginning or end of a content dictionary entry.