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Figure 4-12 RTSP
2. Set parameters.
Port
The port is 554 by default.
Authencaon Type
Two authencaon types are selectable, if you select Digest, only the request with digest
authencaon can access the video stream by RTSP via the IP address. For security reasons, it
is recommended to select Digest as the
authencaon type.
RTSP Digest Algorithm
RTSP digest algorithm is based on RTSP, it is an algorithm for digest authencaon of the user
authencaon.
3. Click Save.
4.3.3
Congure WebSocket(s)
WebSocket protocol, based on TCP, aims to provide full-duplex communicaon between web
browsers and servers. It allows to open a two-way
interacve communicaon session.
Steps
1. Go to System → System Sengs → Network → Network Service → WebSocket(s) .
2. Turn on Enable.
3. Set Port.
4. Click Save.
4.3.4
Congure Port Mapping (NAT)
Two ways are provided for port mapping to realize the remote access via the cross-segment
network, UPnP™ (Universal Plug and Play), and manual mapping. UPnP™ can permit the device
seamlessly discover the presence of other network devices on the network and establish
funconal
network services for data sharing, communicaons, etc. You can use the UPnP™ funcon to enable
the fast
connecon of the device to the WAN via a router without port mapping.
Before You Start
If you want to enable the UPnP™ funcon of the device, you must enable the UPnP™ funcon of
the router to which your device is connected. When the network working mode of the device is set
Network Video Recorder User Manual
16
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