Re: Internetcameras -

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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:

        13:23:28.349991 IP 192.168.1.6.32874 >
        yw-in-f109.1e100.net.pop3s: Flags [P.], seq 1:311, ack 1, win
        46, options [nop,nop,TS val 36385575 ecr 58139355], length 310
        13:23:28.410430 IP yw-in-f109.1e100.net.pop3s >
        192.168.1.6.32874: Flags [.], ack 311, win 4096, options
        [nop,nop,TS val 58139362 ecr 36385575], length 0
        13:23:29.294222 IP 192.168.1.6.58964 >
        resolver2.opendns.com.domain: 57578+ PTR?
        6.1.168.192.in-addr.arpa. (42)
        13:23:29.784862 IP yw-in-f109.1e100.net.pop3s >
        192.168.1.6.32874: Flags [P.], seq 1:123, ack 311, win 4096,
        options [nop,nop,TS val 58139499 ecr 36385575], length 122
        13:23:29.784907 IP 192.168.1.6.32874 >
        yw-in-f109.1e100.net.pop3s: Flags [.], ack 123, win 46, options
        [nop,nop,TS val 36387009 ecr 58139499], length 0
        13:23:29.785550 IP 192.168.1.6.32874 >
        yw-in-f109.1e100.net.pop3s: Flags [P.], seq 311:354, ack 123,
        win 46, options [nop,nop,TS val 36387010 ecr 58139499], length 43
        13:23:29.840444 IP yw-in-f109.1e100.net.pop3s >
        192.168.1.6.32874: Flags [.], ack 354, win 4096, options
        [nop,nop,TS val 58139505 ecr 36387010], length 0

        None of which I recognize as coming from the camera which should
        be 192.168.1.51.

        This computer is 192.168.1.6.

    Bob




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