Dahua HCVR5204A-S2, Руководство пользователя

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Domain name
：
There are two modes: Default domain name and customized domain
name.
Except default domain name registration, you can also use customized domain name
(You can input your self-defined domain name.) After successful registration, you can
use domain name to login installed of the device IP.

User name: It is optional. You can input your commonly used email address.
Important

Do not register frequently. The interval between two registrations shall be more than
60 seconds. Too many registration requests may result in server attack.

System may take back the domain name that is idle for one year. You can get a
notification email before the cancel operation if your email address setup is OK.
4.10.2.7 IP Filter
IP filter interface is shown as in Figure 4-68. You can add IP in the following list. The list
supports max 64 IP addresses. System supports valid address of IPv4 and IPv6. Please
note system needs to check the validity of all IPv6 addresses and implement
optimization.
After you enabled trusted sites function, only the IP listed below can access current DVR.
If you enable blocked sites function, the following listed IP addresses can not access
current DVR.

Enable: Highlight the box here, you can check the trusted site function and blocked
sites function. You can not see these two modes if the Enable button is grey.

Type: You can select trusted site and blacklist from the dropdown list. You can view
the IP address on the following column.

Start address/end address: Select one type from the dropdown list, you can input IP
address in the start address and end address. Now you can click Add IP address or
Add IP section to add.
a) For the newly added IP address, it is in enable status by de
fault. Remove the √
before the item, and then current item is not in the list.
b) System max supports 64 items.
c) Address column supports IPv4 or IPv6 format. If it is IPv6 address, system can
optimize it. For example, system can optimize aa:0000: 00: 00aa: 00aa: 00aa:
00aa: 00aa as aa:: aa: aa: aa: aa: aa: aa.
d) System automatically removes space if there is any space before or after the
newly added IP address.
e) System only checks start address if you add IP address. System check start
address and end address if you add IP section and the end address shall be
larger than the start address.
f) System may check newly added IP address exists or not. System does not add if
input IP address does not exist.

Delete: Click it to remove specified item.

Edit: Click it to edit start address and end address. See Figure 4-69. System can
check the IP address validity after the edit operation and implement IPv6 optimization.