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The default TCP/IP base port address for telnet access is 2000, and the range for telnet is IP
Address: Port (2000 + serial port #) i.e. 2001 – 2048. So if the Administrator were to set 8000 as
a secondary base for telnet then serial port #2 on the console server can be telnet accessed at IP
Address:2002 and at IP Address:8002. The default base for SSH is 3000; for Raw TCP is 4000;
and for RFC2217 it is 5000.
A number of other services can be enabled and configured indirectly from this menu by selecting
Click here to configure:
Nagios Access to the Nagios NRPE monitoring daemons (refer Chapter 10).
NUT Access to the NUT UPS monitoring daemon (refer Chapter 10).
SNMP This will enable netsnmp in the console server. SNMP is disabled by default (refer
Chapter 7 and Chapter 15.5).
NTP Refer Chapter 11.
Click Apply. As you apply your services selections, the screen will be updated with a confirmation
message: Message Changes to configuration succeeded.
The Services Access settings can now be set to allow or block access. This specifies which (enabled)
services the Administrator can use over each network interface - to connect to the console server and
through the console server to attached serial and network connected devices.
Select the Service Access tab on the System: Services page.
Note With firmware releases pre 3.5.3, the Service Access tab is found on the System: Firewall
page.
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