Cisco Cisco Email Security Appliance C650 Guía Del Usuario
3-9
Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
Chapter 3 Setup and Installation
The following physical dimensions apply to the Cisco IronPort C150 and C160
Email Security appliances:
Email Security appliances:
•
Height: 4.2 cm (1.68 inches)
•
Width: 48.26 cm (19.0 inches) with rails installed (without rails, 17.5 inches)
•
Depth: 57.6 cm (22.7 inches)
•
Weight: maximum 11.8 kg (26 lbs)
Physically Connecting the Cisco IronPort Appliance
to the Network
to the Network
Configuration Scenarios
The typical configuration scenario for the Cisco IronPort appliance is as follows:
•
Interfaces - Only one of the three available Ethernet interfaces on the Cisco
IronPort appliance is required for most network environments. However, you
can configure two Ethernet interfaces and segregate your internal network
from your external Internet network connection.
IronPort appliance is required for most network environments. However, you
can configure two Ethernet interfaces and segregate your internal network
from your external Internet network connection.
•
Public Listener (incoming email) - The public listener receives connections
from many external hosts and directs messages to a limited number of internal
groupware servers.
from many external hosts and directs messages to a limited number of internal
groupware servers.
–
Accepts connections from external mail hosts based on settings in the
HAT. By default, the HAT is configured to ACCEPT connections from all
external mail hosts.
HAT. By default, the HAT is configured to ACCEPT connections from all
external mail hosts.
–
Accepts incoming mail only if it is addressed for the local domains
specified in the RAT. All other domains are rejected.
specified in the RAT. All other domains are rejected.
–
Relays mail to the appropriate internal groupware server, as defined by
SMTP Routes.
SMTP Routes.
•
Private Listener (outgoing email) - The private listener receives
connections from a limited number of internal groupware servers and directs
messages to many external mail hosts.
connections from a limited number of internal groupware servers and directs
messages to many external mail hosts.