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48 NB712 / NB714 User Guide
YML829 Rev1
8.8 Firewall
A firewall is a set of related programs that protect the resources of a private network from other networks. It
prevents unauthorised users from accessing private data and resources accidentally.
Basic Firewall Security
This level only enables the NAT firewall and the remote management security. The NAT firewall will take effect if
the NAT function is enabled. The default remote management security is to block any WAN side connection to the
device. Non-empty legal IP pool in ADMIN will block all remote management connection except those IPs specified
in the pool.
Press Finish to finish setting up the firewall The screen will display the parameters, which will be written to
EPROM. Check the parameters.
Press restart to restart the router or press continue to setup another function.