Cisco Cisco Email Security Appliance C160 Mode D'Emploi

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Glossary
GL-2
Cisco AsyncOS 9.5 for Email User Guide
 
Content Matching 
Classifier
The detection component of the RSA data loss prevention scanning engine. A 
classifier contains a number of rules for detecting sensitive data, along with 
context rules that search for supporting data. For example, a credit card classifier 
not only requires that the message contain a string that matches a credit card 
number, but that it also contains supporting information such as an expiration 
data, a credit card company name, or an address.
Conversational 
Bounce
A bounce that occurs within the SMTP conversation. The two types of 
conversational bounces are hard bounces and 
soft bounces
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D
Debounce Timeout
The amount of time, in seconds, the system will refrain from sending the 
identical alert to the user.
Delayed Bounce
A bounce that occurs within the SMTP conversation. The recipient host accepts 
the message for delivery, only to bounce it at a later time. 
Delivery
The act of delivering email messages to recipient domains or internal mail hosts 
from the Cisco appliance from a specific IP interface. The Cisco appliance can 
deliver messages from multiple IP interfaces within same physical machine 
using Virtual Gateway technology. Each Virtual Gateway contains a distinct IP 
address, hostname and domain, and email queue, and you can configure different 
mail flow policies and scanning strategies for each. 
You can tailor the configuration of the delivery that the Cisco appliance 
performs, including the maximum simultaneous connections to remote hosts, the 
per-Virtual Gateway limit of maximum simultaneous connections to the host, 
and whether the conversations to remote hosts are encrypted. 
DLP
Data loss prevention. RSA Security DLP scanning engine protects your 
organization’s information and intellectual property and enforces regulatory and 
organizational compliance by preventing users from unintentionally emailing 
sensitive data.
DLP Incident
A data loss prevention incident occurs when a DLP policy detects one or more 
DLP violations that merit attention in an outgoing message.
DLP Policy
A data loss prevention policy is a set of conditions used to determine whether an 
outgoing message contains sensitive data and the actions that AsyncOS takes on 
a message that contains such data.
DLP Risk Factor
A score of 0 to 100 that represents the security risk of the DLP violations 
detected in an outgoing message. Based on the risk factor, the DLP policy 
determines the actions to take on the message.
DLP Violation
An instance of data being found in a message that violates your organization’s 
DLP rules.
DNS
Domain Name System. See RFC 1045 and RFC 1035. DNS servers on a network 
resolve IP addresses to hostnames, and vice versa.