Cisco Cisco Email Security Appliance C160 Guide De Montage

FTP: port 21, data port TCP 1024 and higher

HTTP: port 80

HTTPS: port 443

LDAP: port 389 or 3268

LDAP over SSL: port 636

LDAP with SSL for global catalog queries: port 3269

NTP: port 123

SSH: port 22

Telnet: port 23

If you do not open port 80 and port 443, you cannot 
download feature keys.

For more information, see firewall information in the user guide 
for your version of AsyncOS for Cisco Email Security 
Appliances.

You can manage your email security 
appliance from the management port 
(P1) by entering http://192.168.42.42 
or by using the hostname assigned to 
your appliance during system setup. 

Also, verify that you open firewall ports 
80 and 443 on your management 
interface.