Self hosted / Edge - possible bug or security issue

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Hi there,

I’m running a self hosted app. as a process (on home laptop) and can view locally in I.E. and Chrome no problem.
URL contains my home IP and an arbitrary port 5000.

Oddly, the first time I ran it in Edge it also worked, but subsequent attempts didn’t work (website not found).

Developer console gives this:

CONSOLE21301: serviceWorker.getRegistrations is rejected due to unsecure context or host restriction in ms-appx-web://microsoft.microsoftedge/assets/errorpages/dnserror.html?ErrorStatus=0x800C0005

… which sounds like a rejection because “something” isn’t secure.

Any clues?

Thanks

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Best Answer
4
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Hi,

For anyone else facing this issue, the following run from a cmd prompt (as admin.) worked for me on my home network:

CheckNetIsolation LoopbackExempt -a -n=Microsoft.MicrosoftEdge_8wekyb3d8bbwe

 

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0
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Just tried accessing a local PC by IP with the last Windows 10 and Edge without problems. It may have been updated in a newer Edge release.

The issue may be related to Edge’s security settings. The posts on MSDN indicate that adding the IP address to the safe site solves it.

https://answers.microsoft.com/en-us/edge/forum/edge_other-edge_win10/microsoft-edge-browser-cant-access-network-ip/1e7d32c7-f8ed-431d-9b64-ed822dd28717

 

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  • Darren
    Hi Luca, Yes, I suspected that was the case but I’m not allowed to edit the trusted sites at work. I’ll ask I.T. to do it for me next week :-) Cheers
  • Darren
    Tried this at home. Still no luck. Lots of folk up-in-arms about it. I’ll carry on trying to find a solution!
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0
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Hi Frank,

Although not a Wisej issue, there’s definitely a problem with Edge and local domains.

See: https://social.technet.microsoft.com/Forums/en-US/0face535-3c7a-4658-be34-6c376322ca34/microsoft-edge-cant-open-local-domains?forum=win10itpronetworking

This may inadvertently affect Wisej users trying to test locally.

I just thought I’d make folk aware of it and perhaps ask if anyone else has experienced it or indeed fixed it.

Thanks

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0
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Darren,

Wisej does not use any Service Workers, so this must be something beyond our scope.

Maybe something related to some AntiVirus Software blocking that attempt ?
Or even some malware ? In any case you might want to check for a Virus and/or try to test without any AV Software
to avoid any unwanted interactions.

Best regards
Frank

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