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P2P application brings back slow resolving host issue

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Encountered when running Ace stream engine for Windows. You don't have to do anything special to reproduce after installing. You don't need to play any channel so you don't need any channel link. You may be prompted from your firewall as Acestream wants to open port 6878 for streaming and 8621 for broadcasting. Also you don't have to allow it either.


Issue should start manifesting after you close and reopen web browsers and/or CLI tools which use network connections.

Fast startup / hibernation has no impact on this issue. Disabling web protection helps but only if you do it before issue happens. If Acestream is set to run on start up not even a clean install of Malwarebytes will help you.


Edited by AdvancedSetup
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While Acestream wasn't running I added Application Web process exclusion for


then re-enabled web protection. When I re-launched Acestream, issue didn't manifest.

No reboot was necessary.

Thanks for reminding me of exclusion system which totally slipped my thought.


It looks like Acestream is causing web protection driver to hang. In addition to slow resolving host there other symptoms that point to an unresponsive driver:

- freeze to black screen when logging out;

- long shutdown and freeze to a black screen with an equally frozen mouse cursor on next boot if fast startup is enabled.

The latter clearly indicates failure of web protection driver to resume from hibernation.


Anyway, the exclusion workaround is reasonable. I'll keep watching to see if other users or staff members can reproduce.

Acestream became popular for TV online after SopCast slowly died between February and May.

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Thanks for confirming the workaround.  I will be reporting this incident to the Product team for analysis and hopefully they can replicate and fix the issue in a future release.

Yes, it is likely that the WFP driver or service is getting hung up based on your description of the symptoms.  I hope the exclusion workaround holds until the issue is fixed, but please let us know if you run into any further issues.


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  • 3 weeks later...

Tests I made clearly indicate that one of the tweaks I made to my system was responsible for this issue. See https://github.com/pal1000/pal1000.github.io/commit/9ba400c0521a949ece3da93cfea9f0bb26832363

I then found batcmd.com website which has a very comprehensive catalog with information about Windows services all the way from XP to Windows 10 Version 2004, including default startup type, the exact kind of information to recover from this kind of problem.

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  • 2 weeks later...
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