[GH-ISSUE #3291] VNC Connection to MacOS is failing #35781

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opened 2026-06-18 21:00:42 -05:00 by GiteaMirror · 1 comment
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Originally created by @johannes1984 on GitHub (Jun 16, 2026).
Original GitHub issue: https://github.com/fosrl/pangolin/issues/3291

Describe the Bug

I have setup a Mac to be accessible through Pangolin. When I open the URL, I get a form to enter the VNC password, which I have also set. However I immediately get the error "Connection closed before authentication completed" when I click the Connect button.

Image

Using a VNC tool within the same network lets me access the Mac.

Environment

  • OS Type & Version: latest MacOS
  • Pangolin Version: latest
  • Edition (Community or Enterprise): Enterprise
  • Gerbil Version: latest
  • Traefik Version: latest
  • Newt Version: latest - freshly updated
  • Client Version: -

To Reproduce

  • Create Public resource
  • Open URL
  • Enter password
  • Click Connect

Expected Behavior

Login to VNC

Originally created by @johannes1984 on GitHub (Jun 16, 2026). Original GitHub issue: https://github.com/fosrl/pangolin/issues/3291 ### Describe the Bug I have setup a Mac to be accessible through Pangolin. When I open the URL, I get a form to enter the VNC password, which I have also set. However I immediately get the error "Connection closed before authentication completed" when I click the Connect button. <img width="378" height="350" alt="Image" src="https://github.com/user-attachments/assets/e5f81905-64c5-4f8d-a6b6-aa27a15d7f14" /> Using a VNC tool within the same network lets me access the Mac. ### Environment - OS Type & Version: latest MacOS - Pangolin Version: latest - Edition (Community or Enterprise): Enterprise - Gerbil Version: latest - Traefik Version: latest - Newt Version: latest - freshly updated - Client Version: - ### To Reproduce - Create Public resource - Open URL - Enter password - Click Connect ### Expected Behavior Login to VNC
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@LawWanFung commented on GitHub (Jun 17, 2026):

I have the exactly same problem, while the other public resources (such as HTTP) has no issues.

<!-- gh-comment-id:4725949599 --> @LawWanFung commented on GitHub (Jun 17, 2026): I have the exactly same problem, while the other public resources (such as HTTP) has no issues.
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Reference: github-starred/pangolin#35781