Constant network activity data being sent at 8-16 Kbps, what is it?!

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  1. Posts : 116
    Windows 10 Pro 64-bit
    Thread Starter
       #21

    Ok so this will obviously remain a mystery to me! Last night I decided to turn on Windows Defender Firewall as I always had it disabled since it was annoying to have to add my new games to exception list.

    As soon as I turned the Windows Firewall back on the Bolivian IP address vanished from TCP view and this behaviour of constantly sending network activity data of 8-16 Kbps also immediately stopped!

    I restarted the computer and it was no longer appearing in the TCP View and the Ethernet is now 0 Kbps.
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    Anyway this morning no issues as of yet. I decided to make the experiment and Turn off Windows Defender Firewall and it hasn't returned back yet!

    I restarted the computer and it's still normal, no signs of it returning back. Last 2 hours I haven't seen any such IP address appearing next to System and Ethernet so far it is showing 0 Kbps.

    Yet, yesterday when I was restarting the PC this IP address would not go away. I'm going to have to observe for longer to see what happens or if it will return. I haven't scanned my computer yet for any viruses, the computer looks clean to me. Nothing suspicious running in Task Manager.

    - - - Updated - - -

    Ok so while this issue has disappeared and no longer shows data being sent for now.

    While I stare at the TCPView for 5-20 minutes without any open web browser, I still see on occasions some instances of random IP addresses but these remain for only half a second.
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    It is so difficult to check Whois... IP because by the time I right click on it, the actually IP address quickly disappears.
    I managed to caught this IP address by simply making an immediate print screen 203.195.181.236 - IPInfo
    Tencent Cloud Computing (Beijing) Co. Ltd

    Then it might take another 5-20 minutes to see the next IP address but that also disappears after half a second.

    Is this normal or something to worry about?
      My ComputerSystem Spec

  2. FreeBooter's Avatar
    Posts : 1,865
    Windows 10 Pro 64-bit
       #22

    When you turn off Windows Firewall all network connection don't need permission from Firewall to communicate with the network its a open gateway where any program can make network connection.
      My ComputerSystem Spec


  3. Posts : 116
    Windows 10 Pro 64-bit
    Thread Starter
       #23

    FreeBooter said: View Post
    When you turn off Windows Firewall all network connection don't need permission from Firewall to communicate with the network its a open gateway where any program can make network connection.
    Right it seems that is indeed the case.

    I've also opened all the ports in my router settings using.
    DMZ
    Placing a host in DMZ has significant implications for its security.
    ALL unsolicited traffic not rejected by the firewall will be sent to this device, increasing its vulnerability to attack.
    DMZ Enable: Yes

    Perhaps that's also the reason why this was happening. Are there any serious security implications from having all ports open and firewall disabled?
    I became fed-up of having to port forward for each multiplayer game/application manually, so I decided to have all the ports opened all at once. This is perhaps the reason why I ended up with some random IP addresses trying to connect to my PC.

    But I wasn't aware that they are able to connect even with a closed web browser! Maybe I'm making a mistake to disable firewall/or open all ports at once.

    After joining new ISP I was frustrated that I had to port forward again in the new router and so I decided to place my IP under DMZ and open all ports at once. And then I turned off firewall.

    Unless this doesn't actually directly harm my computer like for example infect me with a virus or able to steal personal information, then of-course maybe this is not a big issue? But of-course I don't know.
      My ComputerSystem Spec

  4. FreeBooter's Avatar
    Posts : 1,865
    Windows 10 Pro 64-bit
       #24

    Scan your network to see how secure your network is.

    GRC | ShieldsUP! — Internet Vulnerability Profiling
      My ComputerSystem Spec


  5. Posts : 116
    Windows 10 Pro 64-bit
    Thread Starter
       #25

    FreeBooter said: View Post
    Scan your network to see how secure your network is.

    GRC | ShieldsUP! Internet Vulnerability Profiling
    I get this..
    Greetings!

    Without your knowledge or explicit permission, the Windows networking technology which connects your computer to the Internet may be offering some or all of your computer's data to the entire world at this very moment!

    Regardless of whether my firewall is turned on or off.

    On the second test it is, again whether firewall off or on.

    THE EQUIPMENT AT THE TARGET IP ADDRESSDID NOT RESPOND TO OUR UPnP PROBES!
    (That's good news!)

      My ComputerSystem Spec

  6. FreeBooter's Avatar
    Posts : 1,865
    Windows 10 Pro 64-bit
       #26

    Did you make sure to scan all service ports?
      My ComputerSystem Spec



 
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