Dahua web 5.0 Operation Manual page 23

Step 2: Configure the port parameters.
●
0–1024, 1900, 3800, 5000, 5050, 9999, 37776, 37780–37880, 39999, 42323 are
occupied for specific uses.
●
Do not use the same value of any other port during port configuration.
Table 5:2 port parameter description
Parameter
max connections
TCP port
UDP port
HTTP port
Figure 5:2 port
Description
The maximum number of users (web client, platform client, or
mobile phone client) that can connect to the device
simultaneously. The default is 10.
Transmission control protocol port. The default is
37777.
User datagram protocol port. The default is 37778.
Hypertext Transfer Protocol port. The default is 80.
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Operation Manual