Cisco Cisco Email Security Appliance C170 Betriebsanweisung
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Cisco IronPort AsyncOS 7.6 for Email Daily Management Guide
OL-25138-01
Chapter 6 Managing and Monitoring via the CLI
Monitoring Via the CLI
IP address connecting to a specific listener. Two connections from the same IP address to different
listeners results in 2 rows in the table.
listeners results in 2 rows in the table.
describes the fields displayed when using the
topin
command.
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.
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
Table 6-9
Data in the topin Command
Statistic
Description
Remote Hostname
Hostname of the remote host, derived from Reverse DNS lookup.
Remote IP Address
IP address of the remote host.
listener
Nickname of the listener on the Cisco IronPort appliance that is receiving the
connection.
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.
specified IP address open at the time when the command is run.
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
2 mail.remotedomain01.com 172.16.0.2 Incoming02 10
3 mail.remotedomain03.com 172.16.0.4 Incoming01 5
4 mail.remotedomain04.com 172.16.0.5 Incoming02 4
5 mail.remotedomain05.com 172.16.0.6 Incoming01 3
6 mail.remotedomain06.com 172.16.0.7 Incoming02 3
7 mail.remotedomain07.com 172.16.0.8 Incoming01 3
8 mail.remotedomain08.com 172.16.0.9 Incoming01 3
9 mail.remotedomain09.com 172.16.0.10 Incoming01 3