Raritan PX3-1000 series, User Manual

Page: 466 / 744

Chapter 8: Using the Command Line Interface
444
Checking the Accessibility of NTP Servers
This command verifies the accessibility of NTP servers specified
manually on your PX3 and then shows the result. For instructions on
specifying NTP servers via CLI, see
Setting NTP Parameters
(on page
439).
To perform this command successfully, you must:

Own the "Change Date/Time Settings" permission.

Customize NTP servers. See
Setting NTP Parameters
(on page
439).

Make the customized NTP servers override the DHCP-assigned ones.
See
Overriding DHCP-Assigned NTP Servers (on page 440).
This command is available either in the administrator/user mode or in
the configuration mode. See
Different CLI Modes and Prompts
(on page
368).
In the administrator/user mode:
# check ntp
In the configuration mode:
config# check ntp
Security Configuration Commands
A security configuration command begins with security.
Firewall Control
You can manage firewall control features through the CLI. The firewall
control lets you set up rules that permit or disallow access to the PX3
device from a specific or a range of IP addresses.

An IPv4 firewall configuration command begins with
security
ipAccessControl ipv4.

An IPv6 firewall configuration command begins with security
ipAccessControl ipv6.