Vivotek IP7139 - Manual (Page 34)

"Certificate information" Display the certification information. Users may click
Property for details. To remove the signed certificated, uncheck the Enable HTTPS
secure connection and click Remove.
User's Manual - 33
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3 : Browsing the Network Camera using HTTPS helps to protect streaming
data over the Internet.
https://XXX.XXX.XXX.XXX
3