Cisco Cisco Email Security Appliance C160 사용자 가이드

다운로드
페이지 570
Chapter 2      Customizing Listeners
2-28
Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
OL-23081-01
Injection Counters 
Reset Period
Allows you to adjust when the injection control counters 
are reset. For very busy systems maintaining counters for a 
very large number of different IP addresses, configuring 
the counters to be reset more frequently (for example, every 
15 minutes instead of every 60 minutes) will ensure that the 
data does not grow to an unmanageable size and impact 
system performance.
The current default value is 1 hour. You can specify periods 
ranging from as little as 1 minute (60 seconds) to as long as 
4 hours (14,400 seconds). 
See 
.
Timeout Period for 
Unsuccessful 
Inbound Connections
Set the length of time AsyncOS will allow an unsuccessful 
inbound connection to remain intact before closing it.
An unsuccessful connection can be an SMTP conversation 
in which SMTP or ESMTP commands continue to be 
issued without a successful message injection occurring. 
When the specified timeout is reached, the behavior is to 
send an error and disconnect:
“421 Timed out waiting for successful message injection, 
disconnecting.”
A connection is considered unsuccessful until it 
successfully injects a message.
 
Only available for SMTP connections on public listeners. 
The default value is 5 minutes.
Table 2-2
Listener Global Settings  
Global Setting
Description