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Steam in-home streaming

 Hi, I run sophos v9 at my home.

I got most services up an running. Origin. Steam is up and running except in-home streaming. World of tanks running etc.

 

But I cant get steam in-home streaming to work between two computers in the same subnet on my local LAN.

I looked in the firewall log and dont find anything.

I am wondering if this in-home streaming is uPnP dependant ?  Since sophos dont have uPnP. uPnP is kind of an security risk anyway.

I am a longterm user of astaro v7 to now getting sophos v9 up and running.

This seems akward that I cant even have the in-home streaming working on my local LAN with sophos right of the box.

Dont laugh at me, please. Here is a info page about ports and stuff. https://support.steampowered.com/kb_article.php?ref=3629-RIAV-1617&l=swedish#networkports



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  • Hi,

    I would like to learn the flow of the traffic, how does the 2 computer communicate to stream? Alongside, check in the tcpdump if the specific traffic hits the UTM and catch the drops in the packetfilter.log. 

    Cheers-

    Sachin Gurung
    Team Lead | Sophos Technical Support
    Knowledge Base  |  @SophosSupport  |  Video tutorials
    Remember to like a post.  If a post (on a question thread) solves your question use the 'This helped me' link.

  • This issue does not have anything to do with the UTM itself I suspect.  Check the firewall settings on your hosts and make sure they did not detect the new gateway as a new network and set the internal LAN as public instead of private.

  • Ok, is multicast on in sophos ? Seems the information I got is that the in-home streaming NEED multicast. I am kinda lost. Someone explain what I should do. Can I get a multicast filtering for a port like 27036 in sophos ?

     

    Sorry guys I am a moron. I found the issue. Probably the "STORM CONTROL" or something I have enabled inside the HP Procurve 8-port Smart switch I have. I tried an 5-port dumb switch and it worked.

     

    EDIT: https://vicon-security.zendesk.com/hc/en-us/articles/210734563-HP-ProCurve-Storm-Control-settings-prevents-video-streaming

  • Don't feel like you are the only one...I have been tripped up by it on ProCurves as well.  It seems to cause as many issues as it solves.

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