Cisco Cisco Email Security Appliance C170 Guia Do Utilizador

For the hostname change to take effect, you must enter the 

commit

 command. After you have successfully 

committed the hostname change, the new name appears in the CLI prompt:

The new hostname appears in the prompt as follows: 

mail3.example.com>

You can configure the DNS settings for your appliance through the DNS page on the Network menu of 
the GUI, or via the d

nsconfig

 command. 

You can configure the following settings:

whether to use the Internet’s DNS servers or your own, and which specific server(s) to use

which interface to use for DNS traffic

the number of seconds to wait before timing out a reverse DNS lookup

clear DNS cache

AsyncOS can use the Internet root DNS servers, your own DNS servers, or the Internet root DNS servers 
and authoritative DNS servers you specify. When using the Internet root servers, you may specify 
alternate servers to use for specific domains. Since an alternate DNS server applies to a single domain, 
it must be authoritative (provide definitive DNS records) for that domain.

oldname.example.com> sethostname

[oldname.example.com]> mail3.example.com

oldname.example.com> 

oldname.example.com> commit

Please enter some comments describing your changes:

[]> Changed System Hostname

Do you want to save the current configuration for rollback? [Y]> n

Changes committed: Fri May 23 11:42:12 2014 GMT