Dumb question How does ONVIF scanning work?

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kingofkya
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Dumb question How does ONVIF scanning work?

Post by kingofkya » Thu Oct 25, 2018 9:42 pm

My question is basically how, does it determine what to scan ? does it just subnets that its directly connect to? Or is it some multicast thing.

I ask because I am useing ZM in a docker with a 172.16.1.0/30 that has specific ports forwarded. As its stands now i haven't got onvif cameras scan to work inside docker works with normal install just fine though. Just warranty some direction to chase the issue, or even some good docs on onvif.

Nocifer
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Re: Dumb question How does ONVIF scanning work?

Post by Nocifer » Fri Oct 26, 2018 9:21 am

Here you go:

https://www.onvif.org/specs/stream/ONVI ... c-v210.pdf

Supposedly it's a multicast.

I'll admit that my experience with docker containers is minimal to say the least, but ports should not (key word: SHOULD not) be an issue since the ZM server is the one initiating the connections from within the docker container, and I'd guess it utilizes some kind of port-opening method when ONVIF scanning. On the other hand, if on a normal install everything works properly, then it could indeed be a port problem. For more info the ZM logs would be needed, so we can know where exactly the connection falters.

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kingofkya
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Re: Dumb question How does ONVIF scanning work?

Post by kingofkya » Sat Oct 27, 2018 6:12 pm

From what i was looking at in the code its pretty basic scanning an ip range but i think the issue it only scans directly connected subnets and dosetn't have an ability top specify a subnet to scan. Because scanning a 172.1.10/30 has no point.

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