Cisco Cisco Email Security Appliance C390 사용자 가이드

including errors. A log subscription is either delivered to (pushed) or retrieved 
from (polled) another computer. Generally, log subscriptions have the following 
attributes:

Defines the type of information recorded and the format of the 
log subscription. See Table 5-1, “Log Types,” on page 156 for 
more information.

Nickname for the log subscription to be used for your future 
reference.

Sets the level of detail for each log subscription.

Defines how the log subscription will be transferred from of 
the Cisco IronPort appliance.

Used for the physical name of the file when written to disk. If 
multiple Cisco IronPort appliances are being used, the log 
filename should be unique to identify the system that 
generated the log file.

The maximum size the file can reach before rolling over. 

Log levels determine the amount of information delivered in a log. Logs can have 
one of five levels of detail. A more detailed setting creates larger log files and puts 
more drain on system performance. More detailed settings include all the 
messages contained in less detailed settings, plus additional messages. As the 
level of detail increases, system performance decreases.