Sunday, July 28, 2019

How can I access the RSTP stream from an IP camera externally when the network is protected by a double firewall?

A client has an IP camera that they wish to have playing on their website. I found an online service to take the RTSP URL and host/convert the stream into an appropriate format for web. I tested this initially and everything worked fine.

But it came time to implement the proper camera. Little did I know that the network is protected by a double firewall. Their sys admin has port forwarded the external IP to the local IP of the camera. From here I can take the resulting RTSP link and view it in VLC. But using the same link in the online tool I mentioned above, it doesn't recognise the port as being open and therefore doesn't work. This is due to the double firewall, right? I'm just confused why I can view the stream in VLC just fine.

What can I do to get around this?



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