Dahua IP Villa System Quick Start Manual page 28

The network should be partitioned and isolated according to the actual network needs.

If there are no communication requirements between two sub networks, it is
suggested to use VLAN, network GAP and other technologies to partition the network,
so as to achieve the network isolation effect.
Establish the 802.1x access authentication system to reduce the risk of unauthorized

access to private networks.
Cybersecurity Recommendations
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