Re: Internetcameras -

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Bob Goodwin wrote:
> On 18/02/10 12:54, Bill Davidsen wrote:
>> Bob Goodwin wrote:
>>    
>>> I bought a Zonet ZVC7611W "IP Camera" Newegg had on sale with the
>>> intention of watching an area I can't see from the window near my desk.
>>> They work ok with the Windows software, I can view the video images.
>>>
>>> I can access it over our wireless LAN with Firefox from this F-12
>>> computer and set all the configuration parameters without a problem and
>>> in fact did so. But I don't know how to go about viewing the pictures.
>>>
>>> Video applications such as VLC and Totem don't respond to the IP address
>>> assigned via dhcp at the the wireless router, 192.168.1.51. Those
>>> programs seem to want a file rather than an URL?
>>>
>>>      
>> First, I would use tcpdump to see what it actually is using, but I suspect you
>> need some form of the "UCP://" address, to capture and display streaming video.
>>
>>    
>   Where do I tell tcpdump to look. tcpdump -eth0 just displays a help 
> file. I don't know how to use it. Ok, the man page helps.
> 
> tcpdump -i eth0  displays a lot of data as below:
> 
>     On 18/02/10 12:54, Bill Davidsen wrote:
>>     Bob Goodwin wrote:
>>          
>>>     I bought a Zonet ZVC7611W "IP Camera" Newegg had on sale with the
>>>     intention of watching an area I can't see from the window near my desk.
>>>     They work ok with the Windows software, I can view the video images.
>>>
>>>     I can access it over our wireless LAN with Firefox from this F-12
>>>     computer and set all the configuration parameters without a problem and
>>>     in fact did so. But I don't know how to go about viewing the pictures.
>>>
>>>     Video applications such as VLC and Totem don't respond to the IP address
>>>     assigned via dhcp at the the wireless router, 192.168.1.51. Those
>>>     programs seem to want a file rather than an URL?
>>>
>>>            
>>     First, I would use tcpdump to see what it actually is using, but I suspect you
>>     need some form of the "UCP://" address, to capture and display streaming video.
>>
>>          
> 
>         Where do I tell tcpdump to look. tcpdump -eth0 just displays a
>         help file. I don't know how to use it. Ok, the man page helps.
> 
> 
>         tcpdump -i eth0  displays a lot of stuff but nothing I can
>         identify as coming from the camera. Everything comes to this
>         computer as Ethernet via a wireless bridge and a router
>         downstairs. I see stuff like below:
> 
You can use the "host" qualifier to see just traffic to the camera. Something like:
   tcpdump -v host 192.168.1.51

That should let you catch some traffic. If needed, you can watch with a windows 
program long enough to look at traffic. Don't forget to use the 'script' command 
of similar to save the output.

-- 
Bill Davidsen <[email protected]>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot

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