Why 'Refused To Connect' ?

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  1.    23 Mar 2018 #1

    Why 'Refused To Connect' ?

    I have a win10 machine.

    It has two adapters - one onboard ethernet and one plugin usb wifi.

    Both adapters are enabled and both seem to be working fine.

    The wifi is allowing internet access and here I am writing this via it.

    The ethernet has a wifi camera plugged into it and Wireshark looking at the traffic.

    Wireshark reports the camera at asking who has which would be the gateway it was configured to expect.

    And when I send a ping Wireshark shows that ping as going from to the camera at and getting a reply from it.

    ( is the address I gave the adapter in IPv4 config earlier today. I gave a mask of and provided no Gateway address nor DNS addresses. Because I am uncertain about what I should provide. )

    So all that looks fine to me.

    But if I ask my browsers to go to they report that it 'Refused to Connect'.

    Still get the same result if I disable the wifi adapter in an attempt to force the browsers to use the ethernet adapter. Because I'm non too clear on how that bit works.

    But it doesn't help.

    What am I doing wrong? Any networking experts here can put me straight?
      My ComputerSystem Spec

  2.    23 Mar 2018 #2

    Is the camera wired or wireless? Can you ping from the command line, irrespective of what Wireshark sees? You might find this TomsHardware thread helpful: Not able to access ip camera within network - Networking.
      My ComputersSystem Spec

  3.    23 Mar 2018 #3

    It is not quite clear the way I've written is it?

    What's happening is a wifi camera - a wireless camera - is plugged in via ethernet. So it's currently both.

    I don't know how to say it clearly and succinctly, I wish I did.

    Plugged into a pc, not a router.

    Yes I ping from the command line.in the usual manner. Wireshark just shows me that ping.

    I'll check that thread, thanks.

    Hmm. Didn't help.

    Just moved the camera to a different computer and tried it there. (Different ethernet cable). Still can't connect but can ping and Wireshark shows the camera as sending out query packets as usual. Different error message this time though:

    Unable to connect

    Firefox canít establish a connection to the server at

    There's a possibility, of course, that the camera is broken somehow.

    Opera said this:

    This site canít be reached refused to connect.

    So I think I'm wrong in my interpretation of those error messages. They probably simply mean they can't even reach the thing rather than they reach it and handshake protocols fail or somesuch.

    But it pings okay:


    Pinging with 32 bytes of data:
    Reply from bytes=32 time<1ms TTL=64
    Reply from bytes=32 time=1ms TTL=64
    Reply from bytes=32 time<1ms TTL=64
    Reply from bytes=32 time<1ms TTL=64
    Last edited by abrogard; 23 Mar 2018 at 18:15.
      My ComputerSystem Spec

  4.    23 Mar 2018 #4

    If you just have a cable from the camera to the PC you may need a different pinout on that cable. It's called a "crossover cable" and it's explained here in this geekstogo.com forum post: Direct Connections with RJ45 crossover lead - Networking. I'll bet that's what you need to fix this issue.
      My ComputersSystem Spec

  5.    23 Mar 2018 #5

    Well that's a good thought, Ed, but unfortunately it wouldn't be the case this time.

    All my cameras were originally set up by me in this way using the standard cables I have lying around. I have never used a crossover cable to connect to them.

    Note the connection is good insofar as a ping.
      My ComputerSystem Spec

  6. Bree's Avatar
    Posts : 9,089
    10 Home x64 (1809) (10 Pro on 2nd pc)
       23 Mar 2018 #6

    abrogard said: View Post
    What's happening is a wifi camera - a wireless camera - is plugged in via ethernet. So it's currently both.
    The camera has two network connections, there's nothing wrong in doing that. But each should have its own independent IP address, and they should be different addresses. If the camera is configured to use the same IP address for both its Ethernet and WiFi connections it won't work properly.

    This is what the command ipconfig shows for my PC when it is using both Ethernet and WiFi connections. Note the different IP addresses.

    Click image for larger version. 

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      My ComputersSystem Spec

  7.    23 Mar 2018 #7


    Yes, they do have different IP addresses. The two connections: The router via wifi and the pc via Ethernet.

    The camera itself has only one IP address. This address has been discovered by watching the Wireshark log of traffic when it was plugged in.

    It sent a query : 'who has please tell'. i.e. 'tell me' i.e. I am

    That's how I find the IP for an unknown camera.

    You can see the ethernet adapter has been given an IP in the 10.x.x.x range by me to match the IP of the camera.
    The wifi adapter retains the original 192.168.x.x address it has always had ( and which is the subnet the internet router is on, of course)

    Click image for larger version. 

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      My ComputerSystem Spec

  8. Bree's Avatar
    Posts : 9,089
    10 Home x64 (1809) (10 Pro on 2nd pc)
       23 Mar 2018 #8

    What make and model is the camera?
      My ComputersSystem Spec

  9.    23 Mar 2018 #9

    It is a foscam clone.

    Looks like these: An original fi8908w and a clone side by side ~ Gadget Victims
      My ComputerSystem Spec

  10. Bree's Avatar
    Posts : 9,089
    10 Home x64 (1809) (10 Pro on 2nd pc)
       23 Mar 2018 #10

    abrogard said: View Post
    As a clone, did it come with any software? The genuine Foscam FI8908W came with their IP Camera Tool for setting it up. Their Quick Installation Guide is here: https://www.foscam.es/descarga/Camara_IP_FI8908W_Quick_installation_guide_for_Windows.pdf

    The genuine Foscam software is available here: http://www.foscam.eu/index.php/produ...chments/v/284/
      My ComputersSystem Spec

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