Dahua Technology DH-PFR4K-B240 User Manual page 89

You cannot set port number when MAC address is added to the trusted or banned list.
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When the IP addresses of the radar and your PC are in the same LAN, MAC verification takes

effect.
When you access the radar through Internet, MAC address verifies according to the router

MAC.
This section takes Network Access as an example.
Step 1 Select Setting > System > Safety > Firewall.
The Firewall interface is displayed. See Figure 4-74.
Step 2 Select Network Access from Rule Type list, and then select Enable check box.
Enable PING Prohibited or Prevent Semijoin, and click Save to complete the

configuration. You do not need to configure parameters.
Enable Network Access, and configure trust list and banned list.

Select the mode: TrustList and BannedList.
1)
Click Add IP/MAC.
2)
The Add IP/MAC interface is displayed. See Figure 4-75.
Figure 4-74 Firewall
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User's Manual