Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
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Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
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Chapter 6 Using Message Filters to Enforce Email Policies
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Credit card numbers
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U.S. Social Security numbers
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Committee on Uniform Security Identification Procedures (CUSIP) numbers
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American Banking Association (ABA) routing numbers
To use smart identifiers in a filter, enter the following keywords in a filter rule that
scans body or attachment content:
scans body or attachment content:
Table 6-4
Smart Identifiers in Message Filters
Key Word
Smart Identifier
Description
*credit
Credit card number
Identifies 14-, 15-, and 16-
digit credit card numbers.
digit credit card numbers.
NOTE: The smart identifier
does not identify enRoute or
JCB cards.
does not identify enRoute or
JCB cards.
*aba
ABA routing number
Identifies ABA routing
numbers.
numbers.
*ssn
Social security number
Identifies U.S. social security
numbers. The *ssn smart
identifier identifies social
security numbers with
dashes, periods and spaces.
numbers. The *ssn smart
identifier identifies social
security numbers with
dashes, periods and spaces.
*cusip
CUSIP number
Identifies CUSIP numbers.
Smart Identifier Syntax
When you use a smart identifier in a filter rule, enter the smart-identifier keyword
in quotes within a filter rule that scans the body or attachment file, as in the
example below:
in quotes within a filter rule that scans the body or attachment file, as in the
example below:
ID_Credit_Cards:
if(body-contains("*credit")){