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.
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
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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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.
Using a VNC tool within the same network lets me access the Mac.
Environment
To Reproduce
Expected Behavior
Login to VNC
@LawWanFung commented on GitHub (Jun 17, 2026):
I have the exactly same problem, while the other public resources (such as HTTP) has no issues.