© Hikvision 
information in the popup window. 
(2)  Click Download  to  download  the  certificate request  and submit it to the  trusted 
certificate authority for signature. 
(3)  Install the signed certificate to the device. 
  CA Certificate 
(1)  Install the CA certificate to the device. 
6.4.3  Security 
Configuring Authentication Security 
Purpose: 
You can specifically secure the stream data of live view. 
Steps: 
1.  Enter the Authentication interface: 
Configuration> System> Security > Authentication 
2.  Set  the  RTSP Authentication/WEB  Authentication type  from  the  dropdown  list.  Digest  and 
digest/basic are selectable. 
3.  Click    to save the settings. 
Configuring IP Address Filter 
Purpose: 
With this function on, the camera allows certain IP addresses whether to log in or not. 
Steps: 
1.  Enter IP Address Filter interface: 
Configuration > System > Security > IP Address Filter 
 
Figure 6-54 IP Address Filter