Cisco Cisco Email Security Appliance C390 사용자 가이드
Chapter 6 Managing and Monitoring via the CLI
Monitoring Via the CLI
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Cisco IronPort AsyncOS 7.3 for Email Daily Management Guide
OL-23080-01
connecting to a specific listener. Two connections from the same IP address to
different listeners results in 2 rows in the table.
different listeners results in 2 rows in the table.
describes the fields
displayed when using the
topin
command.
Table 6-9
Data in the topin Command
Statistic
Description
Remote
Hostname
Hostname
Hostname of the remote host, derived from Reverse DNS
lookup.
lookup.
Remote IP
Address
Address
IP address of the remote host.
listener
Nickname of the listener on the Cisco IronPort appliance
that is receiving the connection.
that is receiving the connection.
Connections In
The number of concurrent connections from the remote host
with the specified IP address open at the time when the
command is run.
with the specified IP address open at the time when the
command is run.
The system does a reverse DNS lookup to find the remote hostname, and then a
forward DNS lookup to validate the name. If the forward lookup does not result
in the original IP address, or if the reverse DNS lookup fails, the table displays
the IP address in the hostname column. For more information about the process
of sender verification, see “Sender Verification” in the Cisco IronPort AsyncOS
for Email Configuration Guide.
forward DNS lookup to validate the name. If the forward lookup does not result
in the original IP address, or if the reverse DNS lookup fails, the table displays
the IP address in the hostname column. For more information about the process
of sender verification, see “Sender Verification” in the Cisco IronPort AsyncOS
for Email Configuration Guide.
Example
mail3.example.com> topin
Status as of: Sat Aug 23 21:50:54 2003
# Remote hostname Remote IP addr. listener Conn. In
1 mail.remotedomain01.com 172.16.0.2 Incoming01 10