Live preview and recordings playback issue on DS-7104NI-K1 / W/M(C)

grayfox00

n3wb
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Jul 4, 2022
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Poland
Hi everyone,

I have the following DVR model: DS-7104NI-K1 / W/M(C) with firmware updated to: V4.30.065 build 211111. I would like to run live preview and recording playback through my Chrome/Firefox web browser on linux. Before updating the firmware, I got notifications about need of installing the plugin dedicated for IE. After firmware upgrade this request is no longer displayed, but both: live preview and recordings playback is still not working. Within web browser console, after clicking playback, I can see that it fails on:
VM4662:1 WebSocket connection to 'ws:/192.168.1.106:7681/?version=0.1&cipherSuites=0&token=SOME_TOKEN_GOES_HERE' failed:.
I tried to see whether the port is open using telnet but it seems to be closed as telnet fails with connection refused:
Code:
$ telnet 192.168.1.106 7681
Trying 192.168.1.106...
telnet: Unable to connect to remote host: Connection refused
Is there anything I can check? Should I use different version of the firmware?
 
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