Cisco Cisco Email Security Appliance C160 Mode D'Emploi

AsyncOS supports only IPv4 addresses in the 

x-forwarded-for

 header. 

Caution! You may lose access to the appliance after submitting and committing network access changes 
if one of the following conditions is true: 

If you select Only Allow Specific Connections and do not include the IP address of your current 
machine in the list. 

If you select Only Allow Specific Connections Through Proxy and the IP address of the proxy 
currently connected to the appliance is not in the proxy list and the value of the Origin IP header is 
not in the list of allowed IP addresses. 

If you select Only Allow Specific Connections Directly or Through Proxy and 

the value of the Origin IP header is not in the list of allowed IP addresses 

OR 

the value of the Origin IP header is not in the list of allowed IP Addresses and the IP address of 
the proxy connected to the appliance is not in the list of allowed proxies. 

You can create the network access list either via the GUI or the 

adminaccessconfig > ipaccess

 CLI 

command. 

Ensure that you will not lock yourself out of the appliance after changing network access settings. See 

Select System Administration > Network Access. 

Click Edit Settings. 

Select the mode of control for the access list: 

This mode allows all connections to the appliance.

This is the default mode of operation.

This mode allows a user to connection to the appliance if the 
user’s IP address matches the IP addresses, IP ranges, or CIDR 
ranges included in the access list.