Dahua DH-XVR5104HS-4KL-I3 User Manual page 328

5.19.3.4 Sync Time-Allowlist
The synchronization is only allowed with hosts in the trusted list.
Step 1 Select Main Menu > SECURITY > Attack Defense > Sync Time-Allowlist.
Step 2 Select Enable to enable Sync Time-Allowlist function.
Step 3 Configure the parameters.
Parameter
Add
Type
IP Address
Start Address
Anti-Dos attack
Table 5-66 Time-allowlist parameters
Description
You can add trusted hosts for time synchronization.
Select IP address or IP segment for hosts to be added.
Input the IP address of a trusted host.
When Type is IP Address, it can be configured
Input the start IP address of trusted hosts.
When Type is IP Segment, it can be configured
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