237Figure 4-217Step 4 Click Apply or Save to complete setup.NoteIn Figure 4-214, click to change setup, click to delete POS setup.4.17.3 SecurityTo enhance device network security and protect device data, please set the access rightof the IP host (IP host here refers to the IP PC or the server). After you enabled trustedsites function, only the IP listed below can access current DVR.If you enable blocked sites function, the following listed IP addresses cannot accesscurrent DVR.Step 1 From main menu->Setting->System->Security.Enter security interface. See Figure 4-218.Step 2 Check the Enable box.Select trusted sites/block sites. Enable trusted site function and then add the whitelist. Enable blocked site function and then add the blacklist.Step 3 Set parameters. Start address/end address: Select one type from the dropdown list, you can input IPaddress in the start address and end address. Now you can click Add IP addres s orAdd IP section to add. System supports max 64 IP addresses.a) For the newly added IP address, it is in enable status by default. Remove the √
