[GH-ISSUE #1846] Let's Encrypt not working #1356

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opened 2026-02-26 07:30:38 +03:00 by kerem · 14 comments
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Originally created by @DNAScanner on GitHub (Feb 11, 2022).
Original GitHub issue: https://github.com/NginxProxyManager/nginx-proxy-manager/issues/1846

Checklist

  • Have you pulled and found the error with jc21/nginx-proxy-manager:latest docker image?
    • No
  • Are you sure you're not using someone else's docker image?
    • Yes
  • Have you searched for similar issues (both open and closed)?
    • Yes

Describe the bug
For a few days now I'm trying to get my let's encrypt SSL to work, but it doesn't, and I don't know why

Nginx Proxy Manager Version
v2.9.15

To Reproduce
Steps to reproduce the behavior:

  1. Go to 'Dashboard'
  2. Click 'Proxy Hosts'
  3. Click 'Add Proxy Host' so it opens the menu
  4. Fill in the form:
    Domain Names: 'dnascanner.dynv6.net'
    Scheme: http
    Forward Hostname/IP: raspberrypi
    Forward Port: 8080
    Every switch off (cache assets, block common exploits, websockets support)
  5. Go to the 'SSL'-Tab
  6. Switch to 'Request a new SSL Certificate' and enable 'Force SSL', 'HSTS', 'HTTP/2 Support' and 'HSTS subdomains' and agree on the bottom
  7. Click the 'OK' button and wait. After a few secs it should say 'Internal Error'

Expected behavior
I expected, that I get the SSL on my webserver working

Screenshots
https://cdn.discordapp.com/attachments/910203843625766922/941733175552524388/unknown.png

Operating System
Running on RaspberryPi 4b 'raspberrypi os'

Additional context
Docker Version: 20.10.12, build e91ed57
Browser Version: OperaGX LVL3 (core 83.0.4254.46)
Let's Encrypt Report: https://cdn.discordapp.com/attachments/910203843625766922/941735452891832432/log.log

Originally created by @DNAScanner on GitHub (Feb 11, 2022). Original GitHub issue: https://github.com/NginxProxyManager/nginx-proxy-manager/issues/1846 **Checklist** - Have you pulled and found the error with `jc21/nginx-proxy-manager:latest` docker image? - No - Are you sure you're not using someone else's docker image? - Yes - Have you searched for similar issues (both open and closed)? - Yes **Describe the bug** For a few days now I'm trying to get my let's encrypt SSL to work, but it doesn't, and I don't know why **Nginx Proxy Manager Version** v2.9.15 **To Reproduce** Steps to reproduce the behavior: 1. Go to 'Dashboard' 2. Click 'Proxy Hosts' 3. Click 'Add Proxy Host' so it opens the menu 4. Fill in the form: Domain Names: 'dnascanner.dynv6.net' Scheme: http Forward Hostname/IP: raspberrypi Forward Port: 8080 Every switch off (cache assets, block common exploits, websockets support) 5. Go to the 'SSL'-Tab 6. Switch to 'Request a new SSL Certificate' and enable 'Force SSL', 'HSTS', 'HTTP/2 Support' and 'HSTS subdomains' and agree on the bottom 7. Click the 'OK' button and wait. After a few secs it should say 'Internal Error' **Expected behavior** I expected, that I get the SSL on my webserver working **Screenshots** https://cdn.discordapp.com/attachments/910203843625766922/941733175552524388/unknown.png **Operating System** Running on RaspberryPi 4b 'raspberrypi os' **Additional context** Docker Version: 20.10.12, build e91ed57 Browser Version: OperaGX LVL3 (core 83.0.4254.46) Let's Encrypt Report: https://cdn.discordapp.com/attachments/910203843625766922/941735452891832432/log.log
kerem 2026-02-26 07:30:38 +03:00
  • closed this issue
  • added the
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@einlichtvogel commented on GitHub (Feb 11, 2022):

Same here 👋🏼

<!-- gh-comment-id:1036509317 --> @einlichtvogel commented on GitHub (Feb 11, 2022): Same here 👋🏼
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@einlichtvogel commented on GitHub (Feb 11, 2022):

I just found out, if you create it over the "certificate" tab it works, but only if your website does not respond with a 500

<!-- gh-comment-id:1036622821 --> @einlichtvogel commented on GitHub (Feb 11, 2022): I just found out, if you create it over the "certificate" tab it works, but only if your website does not respond with a 500
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@DNAScanner commented on GitHub (Feb 11, 2022):

I just found out, if you create it over the "certificate" tab it works, but only if your website does not respond with a 500

For me it still doesn't work..

<!-- gh-comment-id:1036625407 --> @DNAScanner commented on GitHub (Feb 11, 2022): > I just found out, if you create it over the "certificate" tab it works, but only if your website does not respond with a 500 For me it still doesn't work..
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@Skizz83 commented on GitHub (Feb 13, 2022):

Same here too, exactly the same error message in the logs

<!-- gh-comment-id:1037867957 --> @Skizz83 commented on GitHub (Feb 13, 2022): Same here too, exactly the same error message in the logs
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@anthonyb800 commented on GitHub (Feb 13, 2022):

Same issue & same error here when trying to get a wildcard cert w/Cloudflare API.

<!-- gh-comment-id:1037911424 --> @anthonyb800 commented on GitHub (Feb 13, 2022): Same issue & same error here when trying to get a wildcard cert w/Cloudflare API.
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@einlichtvogel commented on GitHub (Feb 13, 2022):

Now it is working fine for me, I installed it on Proxmox with the Third-Party script, without docker on an Alpine container. It only throws an exception when the website throws an 500 html code.

<!-- gh-comment-id:1038061361 --> @einlichtvogel commented on GitHub (Feb 13, 2022): Now it is working fine for me, I installed it on Proxmox with the Third-Party script, without docker on an Alpine container. It only throws an exception when the website throws an 500 html code.
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Owner

@DNAScanner commented on GitHub (Feb 13, 2022):

Now it is working fine for me, I installed it on Proxmox with the Third-Party script, without docker on an Alpine container. It only throws an exception when the website throws an 500 html code.

How tf did u do that? Could u send me a link or some intructions or smt?

<!-- gh-comment-id:1038155758 --> @DNAScanner commented on GitHub (Feb 13, 2022): > Now it is working fine for me, I installed it on Proxmox with the Third-Party script, without docker on an Alpine container. It only throws an exception when the website throws an 500 html code. How tf did u do that? Could u send me a link or some intructions or smt?
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@einlichtvogel commented on GitHub (Feb 13, 2022):

https://github.com/ej52/proxmox-scripts/tree/main/lxc/nginx-proxy-manager linked under https://nginxproxymanager.com/third-party/ @DNAScanner

<!-- gh-comment-id:1038160036 --> @einlichtvogel commented on GitHub (Feb 13, 2022): https://github.com/ej52/proxmox-scripts/tree/main/lxc/nginx-proxy-manager linked under https://nginxproxymanager.com/third-party/ @DNAScanner
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@anthonyb800 commented on GitHub (Feb 13, 2022):

Looks like it worked for me this morning. Not sure what changed, but I obtained the cert with no issues

<!-- gh-comment-id:1038281186 --> @anthonyb800 commented on GitHub (Feb 13, 2022): Looks like it worked for me this morning. Not sure what changed, but I obtained the cert with no issues
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@HerrFrutti commented on GitHub (Feb 13, 2022):

same. reverting back to version 2.9.10 does it for me.

running on a pi 4 4gb ram
Raspbian GNU/Linux 11 (bullseye)

<!-- gh-comment-id:1038354970 --> @HerrFrutti commented on GitHub (Feb 13, 2022): same. reverting back to version 2.9.10 does it for me. running on a pi 4 4gb ram Raspbian GNU/Linux 11 (bullseye)
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@rrreid commented on GitHub (Feb 20, 2022):

I was getting the same 'Internal Error' issue, but once I restarted npm, it loaded back up with the updated cert. All seems to be working as expected now.

<!-- gh-comment-id:1046284439 --> @rrreid commented on GitHub (Feb 20, 2022): I was getting the same 'Internal Error' issue, but once I restarted npm, it loaded back up with the updated cert. All seems to be working as expected now.
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@github-actions[bot] commented on GitHub (Feb 24, 2024):

Issue is now considered stale. If you want to keep it open, please comment 👍

<!-- gh-comment-id:1962209329 --> @github-actions[bot] commented on GitHub (Feb 24, 2024): Issue is now considered stale. If you want to keep it open, please comment :+1:
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@github-actions[bot] commented on GitHub (Dec 1, 2024):

Issue is now considered stale. If you want to keep it open, please comment 👍

<!-- gh-comment-id:2509528632 --> @github-actions[bot] commented on GitHub (Dec 1, 2024): Issue is now considered stale. If you want to keep it open, please comment :+1:
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@github-actions[bot] commented on GitHub (Dec 5, 2025):

Issue was closed due to inactivity.

<!-- gh-comment-id:3615035188 --> @github-actions[bot] commented on GitHub (Dec 5, 2025): Issue was closed due to inactivity.
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starred/nginx-proxy-manager-NginxProxyManager#1356
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