Raritan PMC-1000, Руководство пользователя

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Chapter 5: Using the Command Line Interface
419
Checking the Accessibility of NTP Servers
This command verifies the accessibility of NTP servers specified
manually on your BCM2 and then shows the result. For instructions on
specifying NTP servers via CLI, see
Setting NTP Parameters
(on page
416).
To perform this command successfully, you must:
• Own the "Change Date/Time Settings" permission.
• Customize NTP servers. See
Setting NTP Parameters
(on page
416).
This command is available either in the administrator/user mode or in
the configuration mode. See
Different CLI Modes and Prompts
(on page
359).
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 BCM2
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.
Modifying Firewall Control Parameters
There are different commands for modifying firewall control parameters.
•
IPv4 commands
Enable or disable the IPv4 firewall control feature: