LEGRAND Server Technology PRO3X, User Manual, Page: 83 / 182

Using the PRO3X Command Line Interface (CLI)
PRO3X User Guide – Command Line Interface (CLI)
83 of 182
Checking the Accessibility of NTP Servers
This command verifies the accessibility of NTP servers specified manually on your PRO3X and then shows the result.
To perform this command successfully, you must:
Own the "Change Date/Time Settings" permission.
Customize NTP servers.
This command is available either in the administrator/user mode or in the configuration mode. 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 PRO3X 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:
config:# security ipAccessControl ipv4 enabled <option>
Determine the default IPv4 firewall control policy for inbound traffic:
config:# security ipAccessControl ipv4 defaultPolicyIn <policy>