Configure an internal firewall
Do this procedure to configure the internal firewall to restrict access to components such as: the management interface, the secure shell (SSH) terminal, the simple network management protocol (SNMP) service, and internet control message protocol (ICMP) of the full stack edition.
To limit access to these services, you must use the command-line interface (CLI) to add the required configurations.
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In the top navigation bar, select
The administration page opens.
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In the Settings section, select
CLI.
The CLI page opens.
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In the CLI, enter the necessary configuration
lines.
Note: For example, the lines below permits connections only from networks
192.168.55.0/24
or from the host10.10.10.10
:conf.user configure system firewall https 192.168.55.0/24, 10.10.10.10
- Log into the text console, either directly, or through secure shell (SSH).
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To apply the new settings, enter this command:
n2os-firewall-update