Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
Chapter 15 System Administration
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Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
header name is configurable.) The Email Security appliance matches the remote
user’s IP address from the header and the connecting proxy’s IP address against
the allowed user and proxy IP addresses in the access list.
user’s IP address from the header and the connecting proxy’s IP address against
the allowed user and proxy IP addresses in the access list.
Note
AsyncOS supports only IPv4 addresses in the
x-forwarded-for
header.
Creating the Access List
You can create the network access list either via the Network Access page in the
GUI or the
GUI or the
adminaccessconfig > ipaccess
CLI command.
shows
the Network Access page with a list of user IP addresses that are allowed to
connect directly to the Email Security appliance.
connect directly to the Email Security appliance.
Figure 15-16
Network Access Settings
AsyncOS offers four different modes of control for the access list: