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[GH-ISSUE #434] Unable to generate TLS certificates, app just hangs #248

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opened 2026-02-26 12:07:46 +03:00 by kerem · 3 comments

kerem commented

2026-02-26 12:07:46 +03:00

Owner

Originally created by @saheljalal on GitHub (Jul 5, 2024).
Original GitHub issue: https://github.com/0xJacky/nginx-ui/issues/434

Describe the bug
Trying to add TLS certificates after enabling and toggling "Encrypt website with Let's Encrypt" causes the web app to hang. I built this from the source and saw this error repeatedly in the logs regarding web sockets:

2024-07-05 14:35:27	ERROR	certificate/issue.go:60	websocket: the client is not using the websocket protocol: 'upgrade' token not found in 'Connection' header

To Reproduce
Steps to reproduce the behavior:

Go to Sites List
Click on modify on a site
Toggle Enable TLS (click OK)
Toggle Encrypt website with Let's Encrypt (choose either HTTP or DNS)
Click Next
Observe issue

Expected behavior
This should handle getting certs automatically without any issues.

Screenshots
Screenshot 2024-07-05 at 2 46 55 PM

Info (please complete the following information):

Server OS: MacOS Sonoma
Server Arch: x86
Nginx UI Version: latest from source
Your Browser: Arc

Additional context

Originally created by @saheljalal on GitHub (Jul 5, 2024). Original GitHub issue: https://github.com/0xJacky/nginx-ui/issues/434 **Describe the bug** Trying to add TLS certificates after enabling and toggling "Encrypt website with Let's Encrypt" causes the web app to hang. I built this from the source and saw this error repeatedly in the logs regarding web sockets: ``` 2024-07-05 14:35:27 ERROR certificate/issue.go:60 websocket: the client is not using the websocket protocol: 'upgrade' token not found in 'Connection' header ``` **To Reproduce** Steps to reproduce the behavior: 1. Go to Sites List 2. Click on modify on a site 3. Toggle Enable TLS (click OK) 4. Toggle Encrypt website with Let's Encrypt (choose either HTTP or DNS) 5. Click Next 6. Observe issue **Expected behavior** This should handle getting certs automatically without any issues. **Screenshots** <img width="600" alt="Screenshot 2024-07-05 at 2 46 55 PM" src="https://github.com/0xJacky/nginx-ui/assets/1617586/cafcd122-eac3-4755-8413-cd8532002086"> <img width="600" alt="Screenshot 2024-07-05 at 2 46 46 PM" src="https://github.com/0xJacky/nginx-ui/assets/1617586/87df84c3-0909-43af-811c-79d1967e6738"> **Info (please complete the following information):** - Server OS: MacOS Sonoma - Server Arch: x86 - Nginx UI Version: latest from source - Your Browser: Arc **Additional context**

kerem closed this issue

2026-02-26 12:07:46 +03:00

kerem commented

2026-02-26 12:07:46 +03:00

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@0xJacky commented on GitHub (Jul 6, 2024):

Hi @saheljalal, did you run nginx-ui behind a reverse proxy?

@0xJacky commented on GitHub (Jul 6, 2024): Hi @saheljalal, did you run nginx-ui behind a reverse proxy?

kerem commented

2026-02-26 12:07:46 +03:00

Author

Owner

@saheljalal commented on GitHub (Jul 6, 2024):

Yes @0xJacky , my setup is as follows:

Unifi Gateway with port forwarding for 80,443 to IP w/Nginx
Nginx running using brew services
Nginx-UI running separately on same machine built from source

@saheljalal commented on GitHub (Jul 6, 2024): Yes @0xJacky , my setup is as follows: - Unifi Gateway with port forwarding for 80,443 to IP w/Nginx - Nginx running using brew services - Nginx-UI running separately on same machine built from source

kerem commented

2026-02-26 12:07:46 +03:00

Author

Owner

@0xJacky commented on GitHub (Jul 7, 2024):

To enable Nginx to proxy WebSocket connections, refer to the detailed guide available at Nginx Proxy Example.

@0xJacky commented on GitHub (Jul 7, 2024): To enable Nginx to proxy WebSocket connections, refer to the detailed guide available at [Nginx Proxy Example](https://nginxui.com/guide/nginx-proxy-example.html).

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