Windows 10: UDP ports in Windows Defender

Discus and support UDP ports in Windows Defender in Windows 10 Network and Sharing to solve the problem; How to open UDP port in Windows Defender... Discussion in 'Windows 10 Network and Sharing' started by k8ols&jk, Nov 10, 2019.

  1. k8ols&jk Win User

    UDP ports in Windows Defender


    How to open UDP port in Windows Defender

    :)
     
    k8ols&jk, Nov 10, 2019
    #1
  2. Fr. Yuri Win User

    UDP Ports

    Windows 10 appears to be a totally control-freak operating system and I'm hating it.

    I'm trying to run a TeamSpeak 3 server on my computer. It uses UDP Port 9987. I can access the port locally, through localhost or 127.0.0.1, even my internal IP... 192.168.1.116. But the instant I try to access it from the internet, it fails to connect.
    Yes, the port is forwarded in my router's port forwarding. Every program that uses TCP ports works just fine. But UDP ports are being blocked by something and I can't figure out what is blocking it. So, logically, since I don't have anything but the router,
    windows firewall and windows defender, it MUST be windows. I've checked for proxies between the internet and my router and there are none. So, again, logically, the only option left is Windows 10 itself.

    I use to be able to use UDP ports in Windows 7 and Windows 8. It stopped when I upgraded to 8.1 and then 10 it still doesn't work. Does anyone have any suggestiongs?

    I have a local portforward checking application that pings a external server that then tries to connect using the specified protocol for the specified port and it works just fine on TCP 9987, but when I tell it to check UDP 9987, it immediately comes back
    stating that a program is blocking the UDP 9987. Does anyone have any suggestions? Please, somebody help me get this working. I'm pulling my hair out here.
     
    Fr. Yuri, Nov 10, 2019
    #2
  3. Windows won't listen UDP ports

    Hi all

    I'm having this problem for a week now.

    I'm trying to listen to an UDP port on a raspberry to get some information from my app, but it's been impossible to achieve that.

    I disabled the firewall in my PC many times, reboot and all.

    I'm trying to listen to the remote UDP port with Matlab and no luck. I tried an small listener Windows app to listen a LOCAL UDP port on my Windows 10 PC with no luck. To do this, I configure my app on the raspberry to send the information to my Windows
    PC port.

    A very strange thing is that I downloaded the netcat in my PC and I CAN LISTEN the data when the raspberry sends it to my Windows IP, but if I want to listen to the remote port on the raspberry it won't work.

    Any idea?

    Thanks
     
    marcostorresc, Nov 10, 2019
    #3
  4. Nikhar_K Win User

    UDP ports in Windows Defender

    Data on UDP port 162 blocked

    Hi,



    Thank you for writing to Microsoft Community Forums.



    We understand that you are trying to listen to traps on UDP port 162 and the application is not receiving any data.



    Since you have already tried to create inbound rules to allow data on the UDP ports, and as you are still facing the same issue. In this situation, I would suggest you to post your query in

    TechNet forums
    , where we have support professionals who are well equipped with the knowledge on this query to assist you with the appropriate details.



    Regards,

    Nikhar Khare

    Microsoft Community - Moderator
     
    Nikhar_K, Nov 10, 2019
    #4
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UDP ports in Windows Defender

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