19
⚫
Common Name
Indicate the name of the person or other entity that the certificate
identifies (often used to identify the website).
⚫
Valid Days
Enter the period in days (1 to 9999) to indicate the valid period of
certificate.
Click on <OK> to save the Certificate Information after completing the setting.
2.2.2.3
IP Filter
The IP Filter setting can be found under this path:
System> Security> IP Filter
.
With IP Filter, users can allow or deny specific IP addresses from accessing the
camera.
⚫
Enable IP Filter
Check the box to enable the IP Filter function. Once enabled, the listed
IP addresses (IPv4) in the <Filtered IP Addresses> list box will be
allowed / denied to access the camera.
Select <Allow> or <Deny> from the drop-down menu and click on
<Apply> to determine the IP filter behavior.
⚫
Add IP Address
Input IP address at the blank space below the <Filtered IP Address> list
and click <Add>. The newly-added address will be shown in the list. Up
to 256 IP address entries can be specified.
In addition, to filter a group of IP addresses, enter an address at the
blank space followed with a slash and a number ranging from 1 to 31,
e.g. 192.168.2.81/30. The number after the slash can define how many
IP addresses will be filtered. For details, please refer to the following
example.
➢
Example: Filtering a group of consecutive IP addresses
The steps below show what will be filtered when 192.168.2.81/30 is
entered.
Step 1:
Convert 192.168.2.81 to binary numbers. The binary
numbers are 11000000.10101000.00000010.01010001. Users can
refer to
Appendix B: IP Addresses from Decimal to Binary
for
converting the IP addresses to binary numbers. The number
“30”
after the slash is referring to the first 30 digits of the binary numbers.
